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File: README.md
Role: Documentation
Content type: text/markdown
Description: Documentation
Class: PHP Queue Jobs Piping
Send jobs to a pipeline to be executed later
Author: By
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Date: 3 years ago
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Contents

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Process Pipe Component in PHP

This free as in freedom component ease up creation of a pipe) for processes in php.

Indeed, it is a pseudo pipeline#Pseudo-pipelines) (process collection or process batch) since the php process is single threaded so far.

Currently, there is no plan to bloat the code base with an implementation of STDIN, STDOUT or STDERR. Errors can be handled by the thrown exception. Input is defined by the ExecutableInterface, as well as the output (return value).

The build status of the current master branch is tracked by Travis CI: Build Status Latest stable

The scrutinizer status are: code quality

The versioneye status is: dependencies

Downloads: Downloads this Month

It is also available at openhub.net.

Why?

  • separate complex operations into simpler
  • easy up unit testing for smaller processes
  • separate responsibility (data generator/transformer/validator/flow manipulator)
  • create process chains you can read in the code (separate integration code from operation code)
  • no dependencies (except you want to join the development team)

Examples

Install

By Hand

mkdir -p vendor/net_bazzline/php_component_process_pipe
cd vendor/net_bazzline/php_component_process_pipe
git clone https://github.com/bazzline/php_component_process_pipe

With Packagist

composer require net_bazzline/php_component_process_pipe:dev-master

Usage

By using the pipe method for multiple process

use Net\Bazzline\Component\ProcessPipe\ExecutableException;
use Net\Bazzline\Component\ProcessPipe\InvalidArgumentException;
use Net\Bazzline\Component\ProcessPipe\Pipe;

try {
    $pipe = new Pipe();
    
    $pipe->pipe(
        new ProcessOne(), 
        new ProcessTwo()
    );
    
    $output = $pipe->execute($input);
} catch (ExecutableException) {
    //handle process exception
} catch (InvalidArgumentException) {
    //handle pipe exception
}

By using the pipe method once for each process

use Net\Bazzline\Component\ProcessPipe\ExecutableException;
use Net\Bazzline\Component\ProcessPipe\InvalidArgumentException;
use Net\Bazzline\Component\ProcessPipe\Pipe;

try {
    $pipe = new Pipe();
    
    $pipe->pipe(new ProcessOne());
    $pipe->pipe(new ProcessTwo());
    
    $output = $pipe->execute($input);
} catch (ExecutableException) {
    //handle process exception
} catch (InvalidArgumentException) {
    //handle pipe exception
}

By instantiation

use Net\Bazzline\Component\ProcessPipe\ExecutableException;
use Net\Bazzline\Component\ProcessPipe\InvalidArgumentException;
use Net\Bazzline\Component\ProcessPipe\Pipe;

try {
    $pipe = new Pipe(
        new ProcessOne(),
        new ProcessTwo()
    );
    
    $output = $pipe->execute($input);
} catch (ExecutableException) {
    //handle process exception
} catch (InvalidArgumentException) {
    //handle pipe exception
}

By doing all

use Net\Bazzline\Component\ProcessPipe\ExecutableException;
use Net\Bazzline\Component\ProcessPipe\InvalidArgumentException;
use Net\Bazzline\Component\ProcessPipe\Pipe;

try {
    $pipe = new Pipe(
        new ProcessOne(),
        new ProcessTwo()
    );
    
    $pipe->pipe(new ProcessThree());
    $pipe->pipe(
        new ProcessFour(),
        new ProcessFive()
    );

    $output = $pipe->execute($input);
} catch (ExecutableException) {
    //handle process exception
} catch (InvalidArgumentException) {
    //handle pipe exception
}

API

API is available at bazzline.net.

History

  • upcomming * @todo * add support for lambdafunctions or move to __invoke() fully * added example for tee) * fixed invalid package names
  • 1.1.1 - released at 29.07.2016 * fixed invalid example links * removed local api * updated dependency
  • 1.1.0 - released at 06.03.2016 * added php 7.0 to travis ci * fixed invalid version link * moved to psr-4 autoloading * updated dependency
  • 1.0.5 - released at 11.12.2015 * updated dependency
  • 1.0.4 - released at 18.11.2015 * updated dependency
  • 1.0.3 - released at 28.08.2015 * updated dependency
  • 1.0.2 - released at 04.07.2015 * removed depenendy to phpmd * updated dependency
  • 1.0.1 - released at 08.02.2015 * add "StopExecutionException" * removed dependency to apigen
  • 1.0.0 - released at 12.11.2014 * initial release

Links

thanks to

other pipe implementations

Final Words

Star it if you like it :-). Add issues if you need it. Pull patches if you enjoy it. Write a blog entry if you use it. Donate something if you love it :-].