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inextures · 1 year ago

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Guide to Spring Reactive Programming using WebFlux

Reactive programming is a programming paradigm that promotes an asynchronous, non-blocking, event driven approach to data processing. Reactive programming involves modelling data and events as observable data streams and implementing data processing routines to react to the changes in those streams.

In the reactive style of programming, we make a request for the resource and start performing other things. When the data is available, we get the notification along with the data in the form of call back function. In the callback function, we handle the response as per application /user needs.

Features of Reactive Programming

Asynchronous & Non-blocking

Functional style of coding

Data flow as event driven stream

Backpressure on data streams

When considering whether to use Spring MVC or Spring WebFlux, there are various factors you must consider.

Spring MVC: It’s based on a servlet API and follows an imperative programming model. This means you write code in a step-by-step manner, which is generally easier to follow.

Spring WebFlux: It offers a reactive programming model. Reactive programming is about handling asynchronous streams of data. This requires a change in thinking and can be more challenging than the traditional imperative model.

Spring MVC: If you are familiar with traditional web application development, Spring MVC’s imperative model might seem more straightforward. It’s easier to read, write, and understand for developers accustomed to this approach.

Spring WebFlux: Writing reactive code can initially seem complex because of the shift in mindset. However, for some use cases, like streaming data, it can simplify your code.

Spring MVC: Debugging is typically more straightforward with an imperative model because the call stacks are more predictable and easier to trace.

Spring WebFlux: Debugging reactive streams can be tricky, especially for developers new to the reactive paradigm. However, tools and practices are evolving to better support this.

Spring MVC: Works naturally with blocking resources like traditional RDBMS using JDBC or JPA (Java Persistence API).

Spring WebFlux: If you have blocking dependencies like traditional databases, you might not get the full benefits of the reactive model. However, reactive databases like MongoDB Reactive, Cassandra Reactive, etc., can be integrated natively with WebFlux.

Spring MVC: Uses a thread-per-request model. For a high number of simultaneous connections, this can lead to a large number of threads, which may not be efficient.

Spring WebFlux: Uses an event-loop concurrency model, which can handle a vast number of simultaneous connections with a smaller number of threads. It’s designed for high concurrency.

Spring MVC: Typically runs on servlet containers like Tomcat, Jetty, etc.

Spring WebFlux: Runs on reactive runtimes like Netty. This provides non-blocking and highly scalable operations, suitable for high-performance systems.

Spring MVC: Typically uses annotated controllers.

Spring WebFlux: In addition to annotated controllers, WebFlux supports functional endpoints which allow for programmatic route definitions.

Spring WebFlux:

As we know, Spring provides Web MVC framework to handle the HTTP requests, but it is Blocking & Non-Reactive in nature, so to support reactive programming Spring provides one more web framework in Spring 5 (includes in Spring Boot 2.0) called WebFlux.

It is a reactive-stack web framework that is fully non-blocking, supports reactive streams back pressure. It uses project Reactor as a reactive library. The Reactor is a Reactive Streams Library and therefore, all of its operators support non-blocking back pressure.

It uses two publishers:

Mono

Flux

MONO:

A mono is a specialized Publisher that emits at most one item and then optionally terminates with an onComplete signal or an onError signal. In short, it returns 0 or 1 element.

Mono is another implementation of Publisher.

It emits at most one item and then (optionally) terminates with an onComplete signal or an onError signal.

Like Flux, Mono is also asynchronous in nature.

Mono noData = Mono.empty();

Mono data = Mono.just(“rishi”);

FLUX:

A flux is a standard Publisher representing an asynchronous sequence of 0 to N emitted items, optionally terminated by either a completion signal or an error. These three types of signals translate to calls to a downstream subscriber’s onNext, onComplete, or onError methods.

Flux is an implementation of Publisher.

It will emit 0 to N elements and/or a complete or an error call.

Stream pipeline is synchronous whereas Flux pipeline is completely asynchronous. It will emit values only when there is a downstream subscriber.

To subscribe, we need to call the subscribe method on Flux. There are different variants of the subscribe method available, which we need to use as per the need:

Flux flux1 = Flux.just(“foo”, “bar”, “foobar”);

Flux flux2 = Flux.fromIterable(Arrays.asList(“A”, “B”, “C”));

Flux flux3 = Flux.range(5, 3);

// subscribe

flux.subscribe();

Frequently used operations on Mono/Flux

just(-): Create a new Mono that emits the specified item, which is captured at instantiation time.

fromArray(-): Create a Flux that emits the items contained in the provided array.

fromIterable(-): Create a Flux that emits the items contained in the provided iterable. The Iterable.iterator() method will be invoked at least once and at most twice for each subscriber.

fromStream(-): Create a Flux that emits the items contained in a Stream created by the provided Supplier for each subscription. The Stream is closed automatically by the operator on cancellation, error, or completion.

empty(): Create a Flux that completes without emitting any item.

doOnNext(-): Add behaviour (side-effect) triggered when the Flux emits an item.

doOnComplete(-): Add behaviour (side-effect) triggered when the Flux completes successfully.

doOnError(-): Add behaviour (side-effect) triggered when the Flux completes with an error.

map(-): Transform the items emitted by this Flux by applying a synchronous function to each item.

flatMap(-): Transform the item emitted by this Mono asynchronously, returning the value emitted by another Mono (possibly changing the value type).

subscribe(-, -, -): Subscribe a Consumer to this Flux that will consume all the elements in the sequence. It will request an unbounded demand.

log(): Observe all Reactive Streams signals and trace them using Logger support. Default will use Level.INFO and java.util.logging. If SLF4J is available, it will be used instead.

delayElements(-): Delay each of this Flux elements (Subscriber.onNext signals) by a given Duration. Signals are delayed and continue the parallel default Scheduler, but empty sequences or immediate error signals are not delayed.

block(): Subscribe to this Mono and block indefinitely until a next signal is received. Returns that value, or null if the Mono completes empty. In case the Mono errors, the original exception is thrown (wrapped in a RuntimeException if it was a checked exception)

Working with Spring Web Flux – Understanding the Reactive nature

Requirement: Send Promos to all the customers of an e-Commerce website

Step-1: Create a Spring Boot project using Maven (Choose Spring Boot version 2.0 or later)

Step-2: Add the below spring-boot-starter-webflux dependency in pom.xml

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-webflux</artifactId>

</dependency>

This dependency includes the below dependencies

spring-webflux framework

reactor-core that we need for reactive streams

reactor-netty (the default server that supports reactive streams). Any other servlet 3.1+ containers like Tomcat, Jetty or non-servlet containers like Undertow can be used as well

Version will be picked from spring-boot-starter-parent dependency version

Step-3: Create a Customer DTO class with the fields Id, Name & Email Id

Step-4: Create a Customer Repo with 2 functions loadCustomers(), loadCustomerStream() as in the below snapshot.

Step-5: Create a Customer Service with 2 functions, one is to send promos to list of customers, another is to send promos to customer stream

Step-6: Create a Customer REST Controller with 2 end points as in the below screenshot

Summary:

Spring introduced a Multi-Event Loop model to enable a reactive stack known as WebFlux. It is a fully non-blocking and annotation-based web framework built on Project Reactor which allows building reactive web applications on the HTTP layer. It provides support for popular inbuilt severs like Netty, Undertow, and Servlet 3.1 containers.

Spring WebFlux or Reactive non-blocking applications usually do not make the applications run faster. The essential benefit it serves is the ability to scale an application with a small, fixed number of threads and lesser memory requirements while at the same time making the best use of the available processing power. It often makes a service more resilient under load as they can scale predictably.

WebFlux is also relevant for applications that need scalability or to stream request data in real time. While implementing a micro-service in WebFlux we must consider that the entire flow uses reactive and asynchronous programming and none of the operations are blocking in nature.

Originally published by: Guide to Spring Reactive Programming using WebFlux

#WebFluxguide #SpringReactiveProgramming #Reactiveprogrammingtutorial #FluxandMono #WebFluxexamples

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ankaapmo · 6 years ago

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Introducing Servlet 4.0 Server Push Using Spring Boot 2.1 - #Ankaa

Introducing Servlet 4.0 Server Push Using Spring Boot 2.1 In this article, we will be talking about Server Push Technology that is actually part of the HTTP/2 spec. The most important feature of Servlet 4.0, due to HTTP/2, is the implementation of the server push capability. The concept behind this technique is that if the client/browser requests a... https://ankaa-pmo.com/introducing-servlet-4-0-server-push-using-spring-boot-2-1/ #Http2 #Java #Performance_And_Scalability #Server_Push #Servlet_40 #Spring_Boot #Spring_Boot_20 #Tutorial

#http/2 #Java #performance and scalability #server push #servlet 4.0 #spring boot #spring boot 2.0 #tutorial #Actualités #Méthodes et organisation des process IT

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bashfulcookies · 2 years ago

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28 DAYS LOOKBOOK CHALLENGE - WEEK THREE

“Day 7: Elf”

This Challenge was created by @mil-kis. You can check out the rules of this lookbook challenge here!

🧁Gshade: Dove 2.0 by @kindlespice

✨https://linktr.ee/BashfulCookie

Thank you to all the cc creators: @enriques4 @miikocc @okruee @mossylane

+ @mmoutfitters @maxismatchccworld

OUTFIT

#bashfulcookies #lookbook #milkis lookbook challenge #the sims 4 #s4 mm #ts4 lookbook #lookbooks #s4 lookbook #maxis match #s4 elf cc #s4 elf #ts4 elf #ts4 elf lookbook #ts4 elf cc #elf lookbook #elf

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greyeyedmonster-18 · 2 years ago

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ootd as she’s running late for work (whoops)

- newsies boots (they’re back. honestly, i’m putting these shoes to WORK and they’re holding up very well, so…10/10)

- socks they gave me when I was a HS senior as a “gift” for paying for a prom ticket (why do i still have these?? idk)

- black high waisted paper bag pants (my faves, i have them in…multiple colors)

- stripey halloween sweater (is it actually halloween themed? no. but it’s black and white and rust colored so it might as well be) ~artfully~ tucked into the aforementioned pants

- fluffy hoop + tassel earrings i wore when i interviewed for this job (unsure if i’ve worn them since, i just remember i wore all black and wanted a ~statement~ piece of jewelry at the time)

- CURLS CURLS CURLS (odds of hair going up midway through the day are still pretty high though lol)

- brick colored lipstick. cat eye liner. mascara. (i’ve missed makeup, figuring out how to make lipstick work with a mask has been delightful)

- the usual wedding rings and all that jazz. (arcade ring coming soon???)

bestie andie, coming in for the ootd and putting us all to shame.

its giving, curly girl 2.0

its giving spooky chic, catch me in my sweater in spring, watch as i MATCH MY LIPSTICK to the color.

its giving, my hoops have attitude and so do i.

10/10 not a single note in sight.

(arcade ring coming soon)

#asks #grey answers #ootd x bestie andie #this is a fashion blog #ootd tag

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hermionegranger56 · 4 years ago

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a v late recap of evermore

so i think Taylor Swift sensed that i was Going Through It and was like here you sad bitch, here’s another surprise album to help fix all that. cause good lord evermore is just what i (and i think we all) needed. i truly TRULY can’t believe we’re lucky enough to get a sister album to folklore, i love it so much. the first day it was out i drove myself 2 hours to the very end of the Cape and sat on an empty beach and cried to it and honestly??? magical. here are my thoughts on it that no one asked for:

first, as an overall here, this album complements folklore so well. it’s the spring to folklore’s autumn, it’s self-assured and warm and beautiful. each album shows off her lyrical genius so well and she only grows stronger here. when folklore came out, i was floored because the music was so different for her and so up my alley. each song’s production sucked me in and it was like she was confidently telling us “here is another genre i can work with” (masterfully at that). evermore feels different. it feels like Taylor is so comfortable in this creative space, she isn’t trying to fit into any new molds or expectations, she is just HERE, now, saying “this is who i am and this is my craft”. it’s really been a privilege to watch her grow as an artist. ok. here we go

willow:

god the video was so beautiful, a really good continuation of cardigan. the chorus is so so delicate and prettyyy, thats MY MAN ughhh its so good. it reminds me a lot of invisible string tbh, or if betty from cardigan grew up and found love. this is really one of my favorites, she starts so strong

fave lines: “the more that you say, the less i know/ wherever you stray I follow/ i’m begging for you to take my hand/ wreck my plans, that’s my man”; “life was a willow and it bent right to your wind”

champagne problems:

oh dear god, it’s if all too well and new years day had a baby and it is a MASTERPIECE. i can picture it all, college sweethearts, broken hearts, i feel like its new england at christmas, ivy league old money…its cinematic. and it gets at the feeling like you’ll never be good enough so you leave before that happens (basically before you get to the tolerate it stage??) and OOF. AND GODDAMN THE RANTING BRIDGE (illicit affairs came close on folklore but i think THIS might be the best bridge since All Too Well). I’ve screamed it a lot tbh

fave lines: BRIDGE BABYYYYYY EVERY SINGLE PERFECT WORD. WHAT A SHAME SHES FUCKED IN THE HEADDDD

gold rush:

this one is bright and lovely and catchy!! it reminds me a lot of mirrorball tbh, all like swirly and magical. i can’t even put it into words but i can see this one so clearly. its all rosy and golden

fave lines: “eyes like sinking ships on waters/ so inviting, i almost jump in”; “what must it be like to grow up that beautiful?/with your hair falling into place like dominoes/ I see me padding across your wooden floors/ with my Eagles t-shirt hanging from your door”; “the coastal town we wandered round/ had never seen a love as pure as it”; “my mind turns your life into folklore”

’tis the damn season:

UGH I FUCKING LOVE THIS ONE EVEN THOUGH IT MAKES ME WANNA TEXT MY EX. the melody is SOOOO satisfying, the progression to “write this down”, i’m obsessed. the idea of being home for the holidays and feeling a little lost and tired and nostalgic for what could have been is something superrrr relatable. this song reminds me of snowy drives around my hometown in the best/worst possible way hahah. one of my top 5 for sure.

fave lines: “we could call it even/ you could call me babe for the weekend/ tis the damn season, write this down/i’m staying at my parents house/ and the road not taken looks real good now”; “and wonder about the only soul/ who can tell which smiles i’m faking”

tolerate it:

oh honeyyyyy this track 5 packs a punch, i mean the lyrics are absolutely BRUTAL in the best way. it’s just so sad, and encompasses a lot of my own insecurity about always feeling like you’re more invested in a relationship and watching someone fall out of love or just stop caring. i LOVE the “my love should be celebrated, but you tolerate it”, like bitch YES your love should be celebrated. also taylor sounds angelic on the “I” at the start of the chorus

fave lines: “i know my love should be celebrated/ but you tolerate it”; “i made you my temple, my mural, my sky/ now i’m begging for footnotes in the story of your life”; “what would you do if I/break free and leave us in ruins/ took this dagger in me and removed it”

no body, no crime:

YESSSSSSSSS I LOVE THE SUBGENRE OF COUNTRY ABOUT WOMEN KILLING SHITTY HUSBANDS AND THIS SONG IS SO FUCKING GOOD AHHHHH!! I LOVE the beat, i love country taylor, i love the addition of HAIM. UGH ITS SO CATCHYYYY, like i’m obsessed with the slide from “i think he did it but i just. can’t. prove itttttt NOOO no body no crime” UGHHH this is without a doubt in my top five

fave lines: “she thinks i did it but she just can’t prove it”

happiness:

I heard this one described as an emotional marathon and holy shit it is, each line is a sucker punch. i really like how it feels like a conversation and looks at the acceptance and pain that mingle together when a relationship just…ends. her lyrics are unmatched on this album but this is a particularly strong track

fave lines: “i haven’t met the new me yet”; “when did all our lessons start to look like weapons/ pointed at my deepest hurt”; “there is a glorious sunrise/ dappled with the flickers of light/ from the dress i wore at midnight”

dorothea:

this one feels like Betty 2.0 and its so sweet and bright and also kinda sad. it’s wistful!! that’s the word i want, wistful! the vibe is gives off reminds me of Red, like musically. it’s home-y. idk if that makes sense but i like it a lot

fave lines: and if you’re ever tired of being known for who you know/ you know, you’ll always know me”

coney island:

ugh this one is magical, i honestly really love the instrumental to this one, it’s so soothing. the lyrics to me feel like you’re in some dream state, going through every heartbreak you’ve ever been through. I love the addition of The National, the vocals fit together so well (and I like it better than both Bon Iver features i think??)

fave lines: do you miss the rogue/ who coaxed you into paradise and left you there/ will you forgive my soul/ who you’re too wise to trust me and too old to care?”

ivy:

AHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH (that’s how i feel about this absolute masterpiece oh my GOD) it makes me so incandescently happy, the folk feel, the lyrics that are so cinematic and poetic and paint such a clear picture (to me) of two Victorian lovers who are in unhappy marriages but don’t let that stop their love. the chorus just like….fills my whole chest, the OH GODDAMN hits so different. and i want “my pain fits in the palm of your freezing hand” tattooed on me, that is one of her BEST lines and i will die on that hill. its all so pretty, i can’t deal. the vibe also strongly reminds me of a) invisible string and b) Little Women (2019). i think taylor should do folk and uhhhh only folk please

fave lines: EVERY WORD BUT ESPECIALLY: “i’d meet you where the spirit meets the bone/ in a faith forgotten land”; “oh goddamn/ my pain fits in the palm of your freezing hand/ taking mine, but its been promised to another/ oh, i can’t/ stop you putting roots in my dreamland/ my house of stone, your ivy grows/ and now I’m covered in you”; “he wants what’s only yours”; “clover blooms in the field/ springs breaks loose, time is near“; ”so yeah, it’s a fire/ its a goddamn blaze in the dark and you started it”

cowboy like me:

ALL RIGHT everyone sleeps on this song but oh my GOD its so good!! it’s smooth and dreamy and gives me that old fashioned, bonnie and clyde type love story and some of the lyrics are so poetic. I really love the addition of the Tim McGraw chords too???? BUT DEAR GOD COULD WE HAVE GIVEN MARCUS MUMFORD MORE OF A ROLE HERE??!! HE SOUNDS WONDERFUL, GIVE HIM A FEATURE, GIVE HIM A WHOLE VERSE. THIS IS A FOLK ALBUM TAYLOR, USE FUCKING MUMFORD AHHHH (i fucking love him omg)

fave lines: “dancin’ is a dangerous game”; “you’re a bandit like me/ eyes full of stars”; “now you hang from my lips/ like the Gardens of Babylon/ with your boots beneath my bed/ forever is the sweetest con”

long story short:

A BOP!! GIVE ME SOME HAPPINESS TAYLOR WOO! I really love how catchy this one is. it feels like her introducing the craziness of her life to joe and being like look all of that was tough but here i am now and I couldn’t be happier. It’s refreshing, self-deprecating and endearing. I couldn’t love it more and it is ALWAYS stuck in my head!

fave lines: “and he’s passing by/ rare as the glimmer of a comet in the sky”; “long story short I survived”

marjorie:

ha hahah hah ha this one ENDS me, like dear LORD i need to call my grandma immediately. it is so so GOOD and SAD, like the you don’t know how good something or someone is until they’re gone, but even then, they’re still there with you. I love the grandma wisdom of “never be so clever you forget to be kind” etc. and holy SHIT the addition of Taylor’s grandmother’s opera singing as background vocals is GENIUS AND DEVASTATING, god the part where she goes “i’d think you were singing with me now” and then Marjorie comes in is honestly one of the most beautiful musical moments i’ve heard in a hot minute and it breaks me every time. wow.

fave lines: “never be so polite/ you forget your power/ never wield such power/ you forget to be polite”; “the autumn chill that wakes me up/ you loved the amber sky so much”; “and if i didn’t know better/ i’d think you were singing to me now”

closure:

ok i’m sorry, this is my only skip here. I really do love the lyrics and the idea of, yeah no you don’t deserve closure from me. i just can’t get past the pots and pans beginning, its too chaotic. but i’m sure it’ll grow on me! it does feel like finally moving on and i do love that about it

fave lines: “don’t treat me like/ some situation that needs to be handled”; “i know i’m just a/ wrinkle in your new life/ staying friends would/ iron it out so nice”

evermore:

god her voice is SO soothing in this one, it’s literally hypnotic. the song itself feels wandering and dark at first, like you’re stuck in this depression, and then bon iver comes in and it picks up and it feels like coming out of the trees, into the sunlight and finding your way again. finding that the pain WOULDNT be for evermore like she says. it feels like an ending and a beginning. beautiful

fave lines: “writing letters/ addressed to the fire”; “and when i was shipwrecked/ i thought of you/ in the cracks of light/ i dreamed of you”; “and i was catching my breath/ floors of the cabin creaking under my step/ and i couldn’t be sure/ i had a feeling so peculiar/ this pain wouldn’t be for evermore”

#taylor swift #evermore #tswift #evermore album #willow #champagne problems

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angelbabyszn · 5 years ago

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Care For Me (Cesar X Reader)

OMB Masterlist

You couldn't believe it. You couldn't believe what you were seeing at this exact moment. A few moments earlier, you saw your boyfriend, Cesar kissing your good friend, Monse on his bed.

He...cheated on you. You never thought that you would get cheated on. You were nice, sweet, supportive to Cesar, tried to have plans to get him out of the gang, and so much more.

You thought he liked you...for you. He told you he did but apparently he doesn't. You were about to say love him after being with him for a year and a half.

And all of that went down the drain. From just one kiss.

"Y/N, please I can explain." said Cesar as he quickly got up and went up to you in the doorway.

You stayed quiet and looked over to Monse with a worried face. You just couldn't believe that she was just kissing your boyfriend. And she knew you were together with him.

You turned back to your upset boyfriend who was begging for forgiveness in his eyes. You looked straight into his eyes.

"Do you love me?" you asked with a straight face and Cesar took a step back from you. He looked down and looked back up at you with puppy eyes.

"Oh course I do-"

"No, you don't. You never did. I-I trusted you. I have been there for you ever since we started dating. Try to get you out of the gang, make sure you have a place to sleep, comfort you for over a year!" you shouted and Cesar looked down in regret.

"And this is what I get in return. You are kissing another girl. Not only that, a good friend of mine!" you shouted as you stepped back in front of him and lifted his head back up with your right hand made for him to look at you again furiously.

"What else did you do?" you asked softly as tears started to come into your eyes. You quickly ran out of the house crying your eyes out.

He f*ckin broke your heart in pieces. You loved him with all of your heart. You run out of Cesar's house ignoring Spooky calling you and continue to run until you reach Jasmine's house.

You knock on her door and quickly stop crying and wipe the tears to look normal. A moment later, Jasmine opened the door.

"Y/N? Babe, what's wro-"

"Can I stay over tonight?" you asked quickly. Jasmine slowly nodded and let you inside her house.

You and Jasmine walked through the house to her bedroom and both of you sat on the edge of her bed.

"Honey, what's wrong?" asked Jasmine as she looks at you and rubs your back. You looked back up at her and started to cry again.

Jasmine got closer to you and started wiping your tears with a tissue. You grab the tissue from her and start drying the rest of your tears away.

After all of your tears went away the second or third time tonight, you were committed that your eyes were very red and still a bit watery. You looked back at Jasmine with a worried face waiting for you to speak.

You took a deep breath and started explaining what happened. How you felt, how he was enjoying it as they continued to kiss, how he reacted when he saw you, how he tried to apologize, everything.

"That hijo de puta!" shouted Jasmine furiously. "I knew something was going on between them! How did I miss it?! How come I never got it on my camera?! I should-"

Jasmine looked at you and stopped to see you with very sad eyes. Jasmine slowly sat back down next to you and quickly hugged you to comfort.

You wish none of this happened to you. You thought Cesar was different but he wasn't. There was always a little voice saying it was wrong to be with him but you always ignored it because Cesar made you feel so happy inside.

You were blind. You fell in love with Cesar so deep that you didn't notice anything going on with him and Monse. You should've known. You should've questioned him more..

"Y/N?" asked Jasmine and you looked up at her.

"Y/N, don't think it was your fault. You did everything for that puta. You did your job as a girlfriend. And he didn't appreciate one thing." said Jasmine as she looked down at you and you shifted your eyes to the ground.

"Hey!" shouted Jasmine and you quickly moved your eyes back to Jasmine.

"I'm serious! You're got everything! You're beautiful, talented, unique, sexy with that a*s!" said Jasmine and slapped your butt with her right hand which made you jump.

"You deserve to be with somebody who wants you for you. Somebody who will be there for you all the time. You're a whole life's love boo. Don't you forget that." said Jasmine with a smile making you smile for the first time tonight.

"Thanks. I feel better now." you said with a smile.

"Good. You left some clothes from the last time you were over here in my last drawer." said Jasmine as she turned and pointed at the drawer on the other side of the room.

"Thanks." you said and you got up and got some pj's out from the drawer. 20 minutes later, you and Jasmine went to sleep for school tomorrow.

Are you down to be a distraction, baby? But don't distract me, let me ask you, baby

Do you, do you, do you do you wanna be a distraction, baby?

Do you, do you, do you do you wanna be

You growled as you start to wake out of your sleep. You flip on your left side with your eyes still closed. Bad idea.

"WAKE UP Y/N!"

You screamed making you lose balance and falling off of the bed. A moment later, you slowly opened your eyes to see yourself on the floor with your right hand over your forehead.

You turned your head a bit to the left to see Jasmine looking down on you. Jasmine pauses Distraction by Kehlani and bends down to get a closer look. She was already dressed for school.

"Jasmine, what the h*ll." you said and slowly sat up from the floor.

"Y/N. It's the first day of school after spring break which means..." started Jasmine as she started to lean down at you to finish her sentence.

"Um...summer is about a month away?" you said while looking at her uncertain.

"Well yes but no!" said Jasmine and she stood back up and started going through her closet.

"I have no idea Jas. Tell me already." you said with a sleepy face. Jasmine turns back around with an out of the ordinary outfit on a hanger in her hand.

"No."

"Y/N yes! Today's the day!" said Jasmine and you got off of the floor.

"I am not-"

"Yes you are! Today, Y/N 2.0 comes to Freeridge High!" said Jasmine as she walks up to you with a huge smile on her face symbolizing her excitement.

"I don't feel like it. I just had a breakup yesterday." you said as you walked over to Jasmine's bed and flop your back on it.

"Which is the perfect opportunity to come to school upgraded to show that 1.0 is missing!" said Jasmine excitedly. You sat up on the bed and looked at the outfit Jasmine had in her hand.

"Give me the outfit." you said making Jasmine squealed. She gave you the outfit the fastest she could and ran to her bedroom door until she stopped.

"Get ready. Yell when you are ready for hair & makeup. I'm going to make us breakfast. She's a girl!" said Jasmine excitingly and quickly went down the hall to the kitchen.

"A girl!" shouted Jasmine from the kitchen which made you giggle. You looked at the outfit in your head and you did a shy smile at it.

"Da*n" whispered one of the football players underneath their breath as he looked at you. You and Jasmine walked past the football team in the hallway.

You gain a pink blush and Jasmine looks back at the football player who was looking at you. Jasmine pulled you onto the other side of the hallway opposite where the football team was a few feet from both of you.

"Y/N! That was the 10th comment you got this morning! It's not even lunch yet! I'm jealous." said Jasmine.

"Well you said I need to upgrade so I did." you said with a giggle.

You were wearing a V-neck denim romper to show your body at the right places, silver jewelry, black boot heels, and your hair straight ombré of your favorite color and your natural hair color.

"And that upgrade completely worked! You got Ryan Smith, the most popular guy looking at you!" said Jasmine and you turn around to see Ryan, who commented on you earlier staring at you in front of his teammates.

You turn back to Jasmine with a grin. You felt confident which made you so proud inside because you never thought you would wear anything like this.

You felt a tap on your shoulder and you turned around to see Ruby, Jamal, and your now-ex, Cesar.

"Hi, welcome to Free-whoa!" started Ruby until his eyes widened and stopped speaking to see your face once you turned around to him. "Y/N?!"

"Hey guys." you said and Ruby, Jamal, and Cesar's jaws dropped to see your complete new style. Jamal looks at Jasmine with a weird face.

"Oh course I did this upgrade, Jamal." said Jasmine and she turned her face to Cesar to see that he was all over the place.

He was acting just fine until he saw you in a completely new look. He couldn't believe how much you changed over one night. Now he completely regrets it.

"You okay over there Cesar?" asked Jasmine with a grin and you turned to look at him.

"Yeah, I'm completely fine. Just..." started Cesar with his left hand behind the back of his neck. He looked down on the ground and started to stare at you bottom to top as he bit his lips.

"Oh no puta!" shouted Jasmine and she quickly went over to Cesar and slapped him. You, Ruby, and Jamal eyes widened by what just happened.

"What did you do?!" shouted Cesar as he held his left cheek as he looked at Jasmine crazy.

"Cause you 1.0, was looking at my girl which is a 2.0. She doesn't go or go back to somebody who is underneath her. She keeps on going up! And that's on period!" shouted Jasmine and you and her did your girls handshake.

"Y/N. Please I'm so sorry. Beat me up. Hit me with anything! Please! I'm so sorry I boned Monse." said Cesar begging on his knees in front of you.

"You boned her?!" shouted everyone in the talk except Cesar.

You felt the tears coming back but you weren't going to let it out this time. You already cried so much already. You weren't going to cry more because you're now Y/N 2.0 and you're owning it today.

Cesar slowly got up and stood in front of you. You walked closer to him with a furious face.

"GO TO H*LL CESAR DIAZ!" you yelled at him which made everybody in the hall stop what they were doing and stare at you and the group.

You quickly ran down the hall and went up to the next floor to go to class.

Three weeks. It's been three weeks since that outbreak in the hallway. You use every part of your brain to avoid Cesar at all costs. You still couldn't believe that he actually boned her.

You thought that was a rumor. Ever though it started before you two started dating, you never believed it. Now you definitely do. The words came straight out of his mouth.

While avoiding him, you and Ryan have been hitting it off. He was more than you thought he was. He's actually good at math and a nerd in video games which is one of the cute things about him. You don't know where it's going with him but it's going great between you two.

Meanwhile, Cesar has been crying and regretting everything ever since what happened in the hallway. He can't stand Ryan being so close to you like he used to be. Spooky has enough of this puta phase about you everyday.

The school bell rang and everybody came running out of the school building since it was Friday. You walked out of the gates of Freeridge High with your earbuds on as you listened to music as you walked home.

You were almost home until somebody put a bag over your head and picked you up. Like any other human, you started to scream, fight, kick, anything to get free from the strong hands that were around your waist but you couldn't.

You kept screaming until you were put sitting down. Somebody put a seat-belt on as you tried to get yourself free. They sat next to you and shut the door.

You freeze and turn your head to the left knowing whoever kidnapped you was on your left side. A moment later, the bag was taken off of your head and you jumped to see Spooky.

"Spooky?! What the f*ck?!" you yelled at Spooky with wide eyes.

"Hello to you too." said Spooky with a serious face and he started to pull away and started driving his car.

"So, you gonna tell me why the h*ll you kidnapped me?!" you shouted at him and crossed your arms.

"Cesar."

"What about him? You know that we're done right?" you said while looking at him.

"Yeah and been acting like a puta about it." said Spooky rolling his eyes.

"So what? What does that have to do with me?" you said with a sass making Spooky stop his car in front of his house.

"Spooky! No!" you shouted as you got picked up by him and put over his shoulder. You kicked and screamed as much as you could but you couldn't get free from him.

"I don't want to talk to him!" you shouted and Oscar sat you back down again but you felt a bed. You looked around to see you were in Cesar's room.

"Spooky, I don't-"

"He won't shut up about you! Crying all night, singing songs about you, retelling old memories of y'all, I'm surprised he didn't stalk you yet!" shouted Spooky, making you surprised.

"Look, whatever going on with you two, fix it. I need my brother back, not this whiny lovesick puppy puta." said Spooky and walked out.

You growled and you were about to get up and walked out until you saw Cesar coming into his room with a towel on his waist, shirtless, and his hair wet from taking a shower. You grew a pink blush because surprisingly, you never saw him shirtless.

"Y/N?" asked Cesar uncertain because he doesn’t know if he was imagining this in his head or not.

"I'm going to go-"

"No stay! Please! I'll change quickly!" shouted Cesar and he quickly grabbed some clothes and closed his room door behind him. He went to the bathroom to put on some clothes.

A few minutes later, Cesar came back in a black tee with jeans and Nike's on. He sat next to you on the edge of his bed and both looked away from each other.

"Y/N?"

You turned to him to see him looking at you with regret in his eyes. Cesar grabbed both of your hands and you looked down at them for a moment and then looked back up at him.

"I'm so sorry that I boned Monse. I don't know what came over me. I never wanted to hurt you. I'm also sorry for not being the boyfriend that you deserve. You do so much for me and I don't even appreciate it. You keep our whole friend group together. I wish I could go back in time and fix what I did wrong. I understand if you don't want to see me or speak to me no more after this because I deserve it. You don't deserve somebody like me, you deserve better. I hope you can find somewhere in your heart that you would forgive me." said Cesar and he slowly pulled your hands up to his lips and gently kissed them while looking deep in your eyes.

Your heart beats in butterflies and you gain a pink blush which Cesar noticed and then he looked down and smiled.

"Gosh, he's cute." you thought and did a small smile. He looked back up at you and started to stare into your eyes.

You looked back at him with thoughts running through your mind what else to say next with the biggest question ever: Do you forgive him?

#cesardiaz #on my block x reader #on my block imagine #onmyblock #cesar diaz x reader #cesar diaz imagine #onmyblockimagines #omb imagine #oscardiaz #cesar diaz omb

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javayou · 6 years ago

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Secure Service-to-Service Spring Microservices with HTTPS and OAuth 2.0 ☞ http://tech.learn4startup.com/f8e1da29ba #Secure #Service #Spring #Microservices #HTTPS #OAuth

#OAuth 2.0 #OAuth #https #Spring Microservices #Spring boot #Microservices #Service-to-Service

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ace-dindjarin · 3 years ago

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the best i can do is regret | ch 2: cin vhetin (fresh start, lit. white field)

Fandom: Star Wars: The Bad Batch

Relationships: Hunter & Omega, Crosshair & Female OC, The Bad Batch, minor Hunter/Male OC

Summary: Where Omega wasn’t Hunter’s first daughter. He thinks he made the right choice with her; but he's not so sure about Omega.

Notes: This is the chapter that’s been fighting me. Hopefully it’s readable. CW: descriptions of blood, kinda gory descriptions about body parts, genocide, mentioned insomnia, and minor character death. And Hunter has a breakdown.

Something is wrong.

It’s not the planet, although Concord Dawn is definitively the strangest planet Crosshair’s been on—and the Bad Batch have been to Wild Space. Glass that shouldn’t be there crunches beneath his boots as he pushes forward, rifle ready to fire. In the atmosphere, a behemoth rock wall looms, formed by one end of the asteroid-blasted hole in the planet. It casts a permanent shadow over the region, and still there’s light blinding Crosshair’s sensitive eyes from the war-blasted glass reflecting a distant fire. A planet of hypocrisies, things that shouldn’t be.

And yet, it’s not what’s wrong.

“Up ahead,” he calls. Squinting past the agonizing brightness, he points his rifle in the general direction of the fire and searches for the source. He hears the tinkling of the glass distantly behind him as the rest of the squadron rush to meet him. When he tilts the scope towards the brightest area, white assaults over his eyes, sending a burning current through the veins of his eyeballs.

“Osik.” Crosshair drops his rifle, trying to blink away the flash. There’s still a bright blue blob obscuring his vision. “Hunter, you up for this?”

“Why wouldn’t I be,” he snaps, and pushes Crosshair out of the way.

Hunter’s the one that’s wrong. Ever since they received the Concordian distress call on the Marauder, the sarge’s gotten snappier—to the point that Tech grumbled under his breath that he was worse than Crosshair. It wasn’t just his attitude; he was wrong down to the way he stood. Crosshair saw it all: his slumped shoulders, hands hanging aimlessly by his side, and a permanent crease between his eyebrows.

Most worryingly, he’d skipped one of his sleep cycles. Crosshair’s the oldest; he’s been with his squad throughout their entire lives. He saw how their “desirable” mutations took a toll on his squadmates—Wrecker’s ribs had to be rebuilt with durasteel fibres because they couldn’t support his mass, Tech came out of the tube with a faulty lung that had to be replaced, and Crosshair himself still used an inhaler. Hunter’s curse was insomnia, caused from nights interrupted by the sounds and sensations of everything, everywhere. Crosshair used to accompany him to the Kaminoan’s therapy wing once a week and he still reminds him to take his medication every day.

A relapse, however small, is very bad. But Hunter leaves the cockpit every time Crosshair brings it up.

All he can do is keep an eye on Hunter. Hunter falls to his knees, picking up shards of glass and letting them fall against the ground. Crosshair sticks close to Hunter as he follows the trail, his eyes still bleary from the blinding light. Tech follows, nervously gripping his datapad. He’s been quiet since Hunter decided on becoming Crosshair 2.0. He’d normally be talking their ears off about the properties of the glass. Instead, he’s flitting wide eyes from Hunter to the fire and back. Wrecker gently bumps his vambrace against Crosshair’s pauldron—his way of asking if Crosshair’s alright. He nods, warmed by Wrecker’s constant nature. At least Wrecker is his brash, kind self, no matter what.

When they’re a couple paces from the source, blaster fire shatters the glass before their feet. Wrecker throws the lot of them behind a jetty of rock, and Tech starts laying out some cover fire. Crosshair blinks out the last of the bleariness and raises his rifle to the source of the blaster bolts. Beskar flashing against light, red jai’galaar on black paint.

“Mandos,” he calls back. “Death Watch.”

Hunter swears. “Cross, Wrecker, you two handle them. Tech, you’re with me.”

Tech looks very much like he’d rather die by the hands of a Viszla. Crosshair decides to give him a break.

“Tech’s better with Mandos.” It’s true—Tech once engineered an altered deactivator that somehow targets beskar. “I’ll go in with you.”

Hunter stares at Crosshair. His eyes are cold behind the dark visor.

Crosshair sighs. He doesn’t want to fight right now.

For once, Hunter’s on the same page. “Fine. Stick close.”

Crosshair obeys, slinking away from the rock jetty with the sergeant as Wrecker distracts the Mandalorians. Once Crosshair checks that the skies are clear of further Death Watch, he turns his gaze to the source of the fire.

It’s a village. Ornate, dirt-baked houses burn in shambles. There isn’t a wall without a hole through it. The acrid scent of blaster fire fills the air, enough for Crosshair to want to reach for his inhaler. Fresh red fruits lay scattered across the road, bruised from the harsh treatment. Bodies, strewn across the village, lay limp, covered in ash. Some have died next to more, smaller bodies, and others grip blasters in their cold, swollen grips. Every one of the corpses have eye coverings, whether it be a colourful silk fabric or a sturdy metal band.

Crosshair’s only met one other Miraluka. A Mandalorian Protector who’d rescued the Batch from a Separatist planet when they’d crashed their old transport—the one with Senator Amidala painted on the nose. He remembers his long white hair, blinding grin, and the blue fabric tied over his eyes. He’d gotten along with Hunter; the Mando had made the stoic sergeant laugh as they worked on ship repairs. Crosshair imagines it would be nice if someone made him laugh.

Oh.

Crosshair lays a hand on Hunter’s pauldron. Even through the thick duraplast, he can feel Hunter shaking. “Where is he?”

Hunter lets out a trembling exhale. “I don’t know,” he whispers.

They perform a routine inspection, searching from left to right, then back to left. Hunter’s holding his blaster like a lifeline. Crosshair tries his best to ignore the itch in his throat from all the smoke he’s inhaling. He wonders what the Miraluka remnants had done to earn a wipeout by Death Watch, then decides he’s better off not knowing.

“Crosshair.” The distortion of the comms highlight the tremble in Hunter’s voice. Crosshair turns to see Hunter standing in front of the ruins of a small hut. The building’s so thrashed by ammunition, it’s barely recognizable as one anymore. Death Watch clearly had a vendetta against the resident.

Crosshair surveys the hut from corner to corner. It’s difficult to find anything, since everything’s covered by a thick layer of ash. All that said, there’s no silhouette of a body, nor charred beskar.

But Hunter doesn’t move. “Can—can you hear it?”

Crosshair tightens his grip on his rifle. If Hunter hears something, it means they’re in trouble.

For a long minute, all Crosshair hears is the distant crackling of fire and wind whistling against glass. Then, Hunter makes a hurt noise. “Fuck, Cross, it’s—it’s a karking baby.”

Alarm flashes through Crosshair’s body. “Where? Here?”

Hunter doesn’t respond, but the way he falls to his knees and starts brushing off the ash on the floor is telling enough. Crosshair picks up a synthfiber broom that miraculously survived the firefight to help Hunter’s crusade. At first, it’s futile, just glass and threads of a carpet long gone. As Crosshair gets to the corner of the hut, he sees a tiny crack in the flooring—far too even to be a fault in the ground. He follows that line, sweeping out a rectangular panel.

“Here?” he asks Hunter. The sergeant places his hand on the panel, taking off his helmet to get a more direct feedback.

Hunter’s eyes fly open. “Yes��fuck, we gotta open this.” Pulling out his knife, he works on prying open the panel. Crosshair runs his fingers across the rim of the panel, searching for a grip, a handle, or—

A button. The panel springs up upon pressing it, not jumping fully out of the way but lifting enough for them to get a grip. Crosshair can hear the wailing now, faint under the thick glass but still ear-piercing. They work together to get the panel lifted, a slow process of one-two-three-pull interrupted by the gradually loud screams of the infant underneath. Crosshair wants to clap his hands over his ears. He imagines it will be worse for the sergeant.

With a final heave, they pull the panel up from its slot. They set it down to the side and hurry back to the pit they uncovered. Crosshair hopes Hunter will be ready for what he sees.

The Mandalorian lies at the bottom. White hair stained copper, head slumped over to the floor, helmet scattered to side. For a moment, Crosshair thinks he’s dead—then he sees the minute shifting of his shoulders, indicating breath.

Crosshair looks up to Hunter: eyes shaking, abnormal breath speed. So Crosshair does what he’s done for his brothers ever since they were children—he grips the sergeant’s arm tight and presses their foreheads together. “He’s alive, okay? He’s breathing.”

“He—the baby—” Throat constricting, legs twitching—

Crosshair tightens his grip, fingers certainly digging a bruise into Hunter’s arm now. Out of his own fear upon seeing his sergeant so unravelled, or for Hunter’s sake, he’s not sure. “Hunter. Help me pull him out of there.”

Hunter’s eyes flicker for a moment more. Then, his eyes harden. “Okay.”

They debate a bit on how to get down, ultimately deciding that the foundation can handle two grown men hanging off a grappling hook without shattering. Hunter lands at the bottom clumsily (legs toppling under him, hand shooting out to stabilize himself, eyes widening in panic) and scrambles his way to the Protector’s side. By the time Crosshair’s hit the ground, Hunter’s got the Miraluka’s head resting on his lap.

The Miraluka lifts his face. His eye covering is long gone, exposing the eerily empty heat pits that sit in place of his eyes. He draws a shuddering gasp.

“Shh, don’t push yourself,” Hunter whispers, carding his hand through the blood-caked hair. His eyes are glassy at the corners.

“Hunter,” the Mando breathes, Core accent highlighted in the rasp of his breath. He coughs, splattering blood on Hunter’s chestplate. “Ni…enteyo ven jorhaa’ir…”

I must speak with you. Crosshair drops to his knees, placing a hand on Hunter’s shivering back. He’s tempted to reach out and comfort the Miraluka as well, but he feels like he’ll burst their moment if he interferes.

“You can tell me when we get you out of here,” Hunter says, and it sounds like law out of his mouth. He looks at Crosshair, and it’s years of working together that lets Crosshair know what he wants. He reaches for the Miraluka, wrapping his arm around the Mandalorian’s torso. Hunter supports the Protector’s other side.

“No, no, nayc—” The Miraluka tries to struggle against their grip, but he’s so weak Crosshair can barely feel his squirming. He’s covered in wounds; Crosshair counts at least three capital injuries along what he can see of his torso. “Hunter, gedet’ye, ni kar’tayl—”

The sunlight decides to enter the pit then, shining a light onto the stained dirt under the Mandalorian’s body. Where a child wails.

Crosshair’s seen a lot of babies, but it’s the first he’s seen one that doesn’t share his face. He’s entranced by them—by the way the child’s nose sits wide on their chubby face, by the way white, fuzzy hair sticks haphazardly out from their round head, by the way the silk eye covering sits against soft skin.

For a moment, everything fades in the face of this child. Crosshair feels a smile tugging at the corner of his lips—almost.

Then he notices the way the child’s cheeks round, their familiar brown skin, their pouty lips. Crosshair’s seen the same in thousands, millions of babies. It’s…impossible. Clones are sterile. The Kaminoans never documented fertility as one of Clone Force 99’s mutations.

But when Crosshair turns to look at Hunter, his face is turgid with the same fear blinding Crosshair—the fire, once again.

The Miraluka suddenly groans, slipping out of Hunter and Crosshair’s grip and tumbling to the floor. Before Crosshair can reach for him again, the Mandalorian curls into himself, gasping and coughing. All the grace, ease, confidence of the man who saved their lives long ago is gone. The Protector’s arm stutters as he reaches for the sergeant.

Hunter takes it, clasps it with both hands. Presses a kiss against the bruised knuckles. “Onnik…”

“Ni kar’tayl, Hunter,” the Mandalorian says, so hoarse Crosshair can barely hear him, “gar kaysh buir.”

Buir. Crosshair feels dizzy.

Hunter shakes his head. Eyes wide. Hammering pulse. “I can’t—”

“Hunter.” All of a sudden, the power is back in the Mandalorian’s voice. “Swear it.”

This is crazy. Hunter is in no position to do what the Protector demands.Crosshair looks to Hunter. He looks as lost as Crosshair feels.

And yet, he says the words. “Haat, Ijaa, Haa’it.”

The Miraluka’s grip relaxes. A smile spreads across his face. “Vor entye, cyare.”

Crosshair sits back on his legs, tips his head to the sky and rubs his hands over his face. His heart’s hammering in his throat. He replays the words that have been spoken in front of him.

I know you as this child’s father.

I swear it, on truth, honour, and vision.

Thank you, beloved.

Fuck, he’s so dizzy he can barely think. He pushes through, though, despite the way his head throbs and his eyes burn, because he hates the haze, how the reflected glass blurs the truth.

He focuses on Clone Force 99, forces himself to breathe. Would they be on the run, from the Republic that was their home since their birth? Would it be worth it, however blindingly bright the small chubby-cheeked baby was?

Somehow, despite everything, Crosshair hopes it will.

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agl03 · 4 years ago

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Wait, what about Robo Coulson being evil? Did I miss something?

Hi Anon,

Robo Coulson going evil has been one of my longer running theories for this season. I was originally concerned about this after Robo Coulson was zapped by the giant EMP. It didn’t hit then, instead we got a cool noir inspired episode. A common trope in TV land is that the team has to go against their leader and the stakes are higher because its someone who knows everything about them. See Best of Both Worlds in Star Trek TNG as a great example.

This is also a trope that they toyed with last season. Sarge simply having Coulson’s face and offering snippets of memories was enough to deal some major blows against the team. Even more it got May and Daisy to trust him, take him to the temple with Izel, divide the team, when that was the last thing they should have done. If a super powered LMD/Chronicom that had all of his memories were to go evil then they would be serious trouble.

So that Marvel article about LMD’s just as Robo Coulson 2.0 is getting booted up is more than suspect for me. And if I were SIBYL and I needed someone on the inside, he would be one of the best targets to do that. Not only is he tech based and something that could be corrupted given the right code or signal. He was also out of sight last week during the killer robot attack and SIBYL was on the base....she could have done something then too.

Those that have followed me know I’ve been concerned about Encoh and Mack, that in the aftermath of what happened with his parents and the secrets with we had time lurking. I’ve been worried Mack might order Enoch away as the truth comes out. Or imagine the team finds out about Diana and is very upset with everything and Enoch falls on his sword claiming he put it in without her knowledge to protect her. But now toss in the worry that Robo Coulson 2.0 has been corrupted and he could also stir the pot as well.

The annual team fight and separation is coming Sousa is already not big on what’s going on and next week isn’t going to help either. I really feel like Jemma is going to be pretty alone when it comes to finding Fitz and that means she’ll need to loose the support she has in Enoch and/or Deke. Enoch isn’t in IMDB for 10, 9 is going to be a big for him. So look for any trap that SIBYL may have set to spring it then. Especially if her goal is to her her hands on certain members of the Fitzsimmons clan.

The final thing is Clark has said that 9 is his favorite episode of the season so that means something big is in store for him there and Clark always loves himself a good plot twist.

If Coulson has been corrupted look for perhaps a hint in the tag of 8...perhaps a bit of a homage to a certain someone’s turn in Season 1. We know this writing team loves them some parallels.

#aos spoilers #aos speculation #ask agl03 #season 7 when all my crazy theories hit it seems

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inextures · 2 years ago

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Drools Rule Management System with Spring Boot

What is Drools?

Drools is an open-source Business Rules Management Software (BRMS) written in Java that provides users with a variety of features like Business Rule Engine, Web authoring, Rules Management Application, and runtime support for Decision Model and Notation models.

It provides a rule engine which processes facts and produces output as a result of rules and facts processing. Centralization of business logic makes it possible to introduce changes fast and cheap.

Drools was released under Apache License 2.0 and it is compatible with any JVM and available in Maven Central Repository also.

It also bridges the gap between the Business and Technical teams by providing a facility for writing the rules in a format which is easy to understand.

The Drools tool helps you to separate and reason over logic and data found in business processes.

Drools are split into two parts:

Authoring – It involves the development of rules files.

Runtime – It involves the creation of working memory and handling the activation.

What is Rule?

Rules are parts of knowledge often expressed as, “When specific conditions occur, then do some tasks.”

The most crucial part of a rule is it’s when part. Once when part is satisfied, then the part is triggered.

Syntax:

When <Condition is true> Then <Take desired Action>

Features of Drool

Here are important features of Drool:

Helps you to separate application from dynamic logic

Declarative Programming

Centralization of Knowledge

Speed and Scalability

Separate logic from application

Understandable rules

Drools Rule Engine

Drools Rule Engine is a rule-based approach to implement an Expert system in the Drools software. The Rule engine provides Expert systems which are knowledge-based systems that help you to make decisions like what to do and how to do it. It gathers knowledge into a knowledge base that can be used for reasoning.

Why use Drools Rule Engine?

Here, are prime reasons for using Drools rules engine:

Rules are easy to understand for developers and business analysts.

Rules are easily maintainable.

Rule Engine uses a Rete algorithm which states that the performance of the engine never depends on the number of rules.

Rules can be modified and deployed without bringing down the application.

Externalizes the business logic from the comparatively static codebase.

Rules are developed in less complicated formats so the business analyst can easily read and verify a group of rules.

Rules allow you to create a warehouse of knowledge which is executable in form.

Disadvantages of Rules Engine

Here, are drawbacks/ cons of using rules engine:

Lots of learning effort requires by developers to know this method of programming

Rule engine is not a secure method to troubleshoot issues.

Needs to understand the working of rule engine to consumes more memory

There are a wide set of rules for a complex branching.

Spring Boot Drools Rule Engine Example

The Drools is an open-source business rule management system that can be integrated easily with the spring boot application.

The KIE project supports the integration of the drools with other technologies like the spring boot framework.

Create a spring boot application

Create a spring boot application with the required dependencies. Add the spring boot starter web dependency. Also, include drools dependencies to the spring boot application’s pom XML configuration file.

Configure the drools application

Create a configuration java class with the name DroolsConfig under config package.

Add the below configuration to the java class.

DroolsConfig.java

Add the model class

Create a model class with the name Order and define the below fields.

We receive this class as a request object to the rule engine and, we send these fields as the input to defined rules to set appropriate discount amount for the given customer order.

Order.java

Define the drools rules

Create the drools rules inside a file with the name customer-discount.drl. Add the file under the directory /src/main/resources/rules.

Customer-discount.drl

We need to import the models that are being used in the DRL file.

The DRL file can contain one or multiple rules. We can use the mvel syntax to specify the rules. Also, each rule can be described with a description using the rule keyword.

We can use when-then syntax to define the conditions for a rule.

Based on the input values of the Order request, we are adding discount to the result. If none of the defined rule is applied, then the default value will be returned as a discount.

Add the service layer

Create a service java class with the name OrderService , and add the below content.

OrderService.java

We are injecting the KieContainer instance and creating a KieSession instance.

To pass the request object to the DRL file, we can use the insert() method.

Then we fire all the rules by calling the fireAllRules() method. and finally terminate the session by calling the dispose() method of the KieSession.

Testing the application

Run the spring boot application and access the REST API endpoint by sending the customer order request JSON.

For the VISA card type with price > 5000, we should get discount as 14 according to our defined rules.

Now, try with the different values as shown below.

For the VISA card type with price > 10000, we should get discount as 10 according to our defined rules.

Conclusion

In this article, we learned about drools rule system and how to create the drools rule engine using the spring boot framework.

We also learned how we can use the DRL files to define the business rules.

Originally published by: https://www.inexture.com/spring-boot-with-drools/

#spring boot development #Drools rules management #Drools Rules engine #spring boot with drools #rule management #BusinessAutomation

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mycupoffanfiction · 5 years ago

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Don’t You Know

Bucky x Reader

Bucky comes to you when he needs to be grounded and be reminded what love is again.

Warnings: Fluff, language, blood, nudity (not really described), implied smut (no actual smut).

Word count: 2400

Masterlist

A/N: Hellooo here’s a request from an anon based off the song Don’t You Know by Jaymes Young, hopefully it meets what you hoped for! I tried a few ideas out but this one just kept coming back to me, I hope you like it anon 😘💕

____________________________________

“Buck, where are you going? Bruce needs to-.” Before Steve could even finish his sentence, Bucky had bolted away from the quinjet and into the building. “What’s up with him?” Sam asked, receiving a shrug from Steve, Nat looking on at the pair of soldiers with a smirk. Bucky didn’t want them to know, but she knew. It was hard for her not to know things about everyone, but Bucky knew that and he knew she’d keep it to herself. “The guy’s got a gash on his side with only tacking stitches in it, he’s gonna rip it open.” Steve groaned, rolling his eyes before he walked off.

It was three in the morning when you stirred from your sleep. A little whine passing through your lips as you came to. There was a thump and then a hissed “Fuuuck.” From the other room and you were immediately alert, turning on your side to grab the pistol Bucky had given you to protect yourself. You shot up from your bed, cocking the pistol as you approached your bedroom door and took a deep breath before pulling it open.

“Whoa!” Bucky stumbled back; hands raised in surrender. “M’sorry doll.” Bucky apologised, looking down at you with concern on his features. Part of him was proud that you’d learnt enough from him to handle a gun and another part of him was slightly scared that he’d taught you how to use a gun. “Sorry I scared ya.” Bucky let out a nervous laugh as you lowered the gun, clicking the safety back on and letting out a breath you didn’t realise you’d been holding.

“What are you doing here at,” You paused, turning to pick up your phone and put your gun away. “Ten past three in the morning?” You asked, voice groggy and thick with sleep. You gave him a once over, a little gasp on your lips as you saw the huge blood stain on his side and you dropped your phone on the floor, rushing forwards to him. “Oh my- what happened? Wait, so this is what your tac suit looks like. You’re bleeding oh god, fuck me you’re bleeding.” You let out a run on sentence, blurting out everything coming to mind.

“Doll.” Bucky tried to pull you away from his side but you were freaking out about the massive blood stain on his tac suit. “Darlin’.” Bucky took you by the shoulders, still you resisted as you fussed over him, trying to inspect the damage, although there wasn’t much to see through his tac suit. “Sweetheart, baby, sugar.” Bucky pushed you back up against the wall, wincing a little in pain as he did.

“I missed you so goddamn much.” He murmured, pressing his body up against yours. “Need you so bad.” Bucky mumbled as he leaning in closer. “Needed to see you.” He continued, his hot breath fanning against your soft skin. You felt yourself burn up with a blush when his calloused fingers gently grazed your hip, his metal hand breaking your skin out into goose bumps when he touched you, but you welcomed it. You welcomed the contrasting feelings. You’d dreamt about it for weeks, how his hands felt on you, how he felt on you. “I’m yours, Bucky.” You whispered, lips parted as he hovered over your mouth as if he was teasing you, waiting for the right moment to indulge in you.

His flesh hand came up to cradle your head, thumb pressed up against your cheek, his fingers gently digging in to your hairline. A sharp intake of breath and Bucky pressed his lips against yours. A whimper of surprise escaped you before you relaxed into his touch. You moved against his lips, applying a soft pressure as you pressed into his chest, desperate for more, for him.

His tongue gently parted your lips and the soft velvet of his against yours was perfect. Bucky’s head went quiet. All of the could haves, should haves and what ifs from the mission died down as he lost himself in you. Your soft skin beneath his touch, the way your hair felt between his fingers, your body heat against his, the soft cotton of your nightshirt, the faint smell of your shampoo contrasting with the metallic tang of blood from his own clothes. He felt like he was home, like he could be okay again.

Out on the field he was a different person, but as soon as he was back here with you in your little apartment, he was himself, more than he could ever be around anyone else. He was soft but intense, loving but rough but in all the right ways. He wasn’t afraid around you. He didn’t harbour a fear of himself because he knew you saw him as much more than the Winter Soldier or Bucky Barnes 2.0. He was more than that to you. He was home to you as much as you were to him.

Your hands reached up, caressing his cheeks with your thumbs as you held him in your hands. Tears hit the pads of your thumbs and you felt your heart stutter. Breaking away slowly, you looked up into his glassy eyes, the tears freely falling now as he struggled to keep his composure. It was useless to do that around you; he knew he could be vulnerable with you and you’d take care of him. You’d love him no matter which side of him he showed you and he loved you for that.

“Let me take care of you.” You spoke just above a whisper as you carefully wiped his tears away with your thumbs. A soft, watery smile made it onto Bucky’s lips and he nodded before he let his composure crumble and he leaned into you. His head fell into the crook of your neck as he sobbed, his arms holding you around the waist, fingers digging in, holding on, wanting you to ground him. You were so willing to look after him, so willing to be there for him and it broke his heart. Not because it hurt or that it was wrong, because you cared so goddamn much about him and he couldn’t remember a time other than Steve that someone had ever cared this much for him.

“Let me clean you up, Bucky.” You rubbed his back slowly, your lips grazing his ear before you pressed little butterfly kisses to the side of his head. “No.” He shook his head, rubbing his forehead into your shoulder before he stood back up straight. “Doll, I need you so bad.” Bucky whined, almost begging for you, for your touch, for something, anything. “Been without you too long.” He mumbled, gently tugging you in the direction he wanted you to go, pushing you back into your bedroom.

Bucky pushed you through your bedroom and into the bathroom, letting you take over and turn the shower to let the water heat up while you got him out of his clothes.

You reached down to unfasten his tac suit, making sure to be slow and careful with him in case of any bruises or cracked ribs. By the time morning came, you knew he’d be mostly healed again, but you wanted him to be comfortable, to feel good again.

You peeled his vest off, revealing the bare skin beneath which was marked with blue and purple bruises, slight yellowing around the outside of each patch. Your breathing hitched when you saw him, tears springing to your eyes as you looked him over. You hated seeing him in such a state, it was always a painful reminder of how brutal his job was, but it was also just as much of a reminder of how happy you were when he came back to you.

You hadn’t even gotten him out of his vest fully before you started pressing kisses to his skin, the taste of salty sweat clinging to your lips as you pulled back up and looked up at him, a look of sheer adoration in his eyes as he met your gaze. You gently pushed his vest off, pulling the sleeve off his right arm as you went, being careful with him as you went, afraid to hurt him.

You unbuckled his trousers, Bucky gently nudging you away as he leant down to untie his boots and pull them off his feet, allowing you to continue. You freed him of his clothes, slipping off your soft cotton night shirt and underwear before you gently pushed him into your shower, getting in behind him.

“I know you hate it.” Bucky broke the silence between you as you wet a sponge and squirted some lavender bodywash onto it, squeezing it under the water a few times to get it sudsy. “Seeing me like this, I mean.” He added, voice gruff and uneven, like he was on the verge of tears again. You ran the sponge over his torso, a sigh passing through your parted lips before you looked up at him. “It’s hard.” You nodded, swallowing down the lump in your throat. “Hurts when I see you hurt.” You mumbled, working a blob of dried blood with the sponge for a moment until it soaked off his skin and the stain beneath ran away with the water.

“M’sorry doll, should’ve waited to see you.” Bucky sounded guilty, even perhaps a little heart broken and you shook your head. “No. No, Bucky. I’m glad you came to see me, even if it hurts, just to know you’re okay.” You held back a sob, but you choked on it, making you let out a pained crying whimper, making Bucky immediately pull you against his chest. “I’m okay darlin’. I’m with you.” He whispered in your ear, stroking down your half damp hair as he pressed a kiss to the top of your head.

“I don’t do it for Steve.” Bucky spoke as you composed yourself running the sponge up his flesh arm and rubbing off the dirt and blood. “Do what for Steve?” You asked quietly, using your wrist to roughly wipe a tear away from your cheek before you nudged at him to turn around. “The work, I don’t do it for him, or anyone else. I fight for you, to keep you safe from it all.” Bucky turned a little to see you, your hand paused in the middle of his back as more tears trickled down your cheeks. “You’re the only thing on my mind out there, knowing you’ll be there when I’m back.” Bucky smiled to himself as he let you wash him. “I’m always here, Buck.” You mumbled against his skin, bringing your arms around his middle and pressing yourself up against his back.

You moved away a little, just enough to press kisses to his marred skin, where metal met flesh. You ran your fingers over the scars on his back and his arm, tears mixing with the shower water as you took him in, reacquainting yourself with his body. The scars he had were caused by awful things, perhaps to some they were a sore sight, but to you, they were the sign on a warrior. A strong soldier, your Sergeant had served long enough, endured enough and yet he kept fighting. For you.

“Please don’t go again.” You choked out, not quite meaning to say it out loud. “Please stay.” You followed it up, sniffling as you let another sob wrack your body. Your dropped your sponge, Bucky turning in your embrace to hold you close. “I’ll do anything for you.” Bucky whispered, lips hovering in front of yours as he tilted your chin up. “Anything.”

In a split second, your lips were captured in a kiss full of love and passion. It was sweet but strong at the same time, his grip on you was firm but filled you with so much security to know that he was there, in your reach, under your touch, beneath your fingertips.

You’d taught him to love again, at least according to Bucky you had. You’d been the light at the end of the tunnel. You’d helped him love himself again and shown him how to open his heart to you. He’d do anything for you and now that you asked him to stay, he’d ask how long for, even if that meant changing the way he did things so he could give you all the love you needed. All of the closeness you needed to him. He’d move mountains if he had to.

You lay in your bed, spent and tired, but in a state of pleasant hazy euphoria as you lay beside your soldier. Your head rested on his bare chest, delicate fingers playing with the dog tags he wore as you breathed easily. After all the sleepless nights, the pain of waking up without him for weeks, he was back at your side again.

And he would stay for a long time this time. Perhaps he wasn’t ready to leave again. Perhaps he never would be, because you provided a comfort and a love so great that it hurt him every time he had to pull himself away from you.

“I love you, doll.” Bucky whispered into the silence of your bedroom. “I love you too, Bucky.” You mumbled out, a smile on your lips as you closed your eyes, relishing in the comfortable feeling of being so close to him. To your Bucky.

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