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WorkflowBuilderTrait.php
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WorkflowBuilderTrait.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Workflow\Tests;
use Symfony\Component\Workflow\Definition;
use Symfony\Component\Workflow\Metadata\InMemoryMetadataStore;
use Symfony\Component\Workflow\Transition;
trait WorkflowBuilderTrait
{
private static function createComplexWorkflowDefinition(): Definition
{
$places = range('a', 'g');
$transitions = [];
$transitions[] = new Transition('t1', 'a', ['b', 'c']);
$transitions[] = new Transition('t2', ['b', 'c'], 'd');
$transitionWithMetadataDumpStyle = new Transition('t3', 'd', 'e');
$transitions[] = $transitionWithMetadataDumpStyle;
$transitions[] = new Transition('t4', 'd', 'f');
$transitions[] = new Transition('t5', 'e', 'g');
$transitions[] = new Transition('t6', 'f', 'g');
$transitionsMetadata = new \SplObjectStorage();
$transitionsMetadata[$transitionWithMetadataDumpStyle] = [
'label' => 'My custom transition label 1',
'color' => 'Red',
'arrow_color' => 'Green',
];
$inMemoryMetadataStore = new InMemoryMetadataStore([], [], $transitionsMetadata);
return new Definition($places, $transitions, null, $inMemoryMetadataStore);
// The graph looks like:
// +---+ +----+ +---+ +----+ +----+ +----+ +----+ +----+ +---+
// | a | --> | t1 | --> | c | --> | t2 | --> | d | --> | t4 | --> | f | --> | t6 | --> | g |
// +---+ +----+ +---+ +----+ +----+ +----+ +----+ +----+ +---+
// | ^ | ^
// | | | |
// v | v |
// +----+ | +----+ +----+ +----+ |
// | b | ----------------+ | t3 | --> | e | --> | t5 | -----------------+
// +----+ +----+ +----+ +----+
}
private static function createSimpleWorkflowDefinition(): Definition
{
$places = range('a', 'c');
$transitions = [];
$transitionWithMetadataDumpStyle = new Transition('t1', 'a', 'b');
$transitions[] = $transitionWithMetadataDumpStyle;
$transitionWithMetadataArrowColorPink = new Transition('t2', 'b', 'c');
$transitions[] = $transitionWithMetadataArrowColorPink;
$placesMetadata = [];
$placesMetadata['c'] = [
'bg_color' => 'DeepSkyBlue',
'description' => 'My custom place description',
];
$transitionsMetadata = new \SplObjectStorage();
$transitionsMetadata[$transitionWithMetadataDumpStyle] = [
'label' => 'My custom transition label 2',
'color' => 'Grey',
'arrow_color' => 'Purple',
];
$transitionsMetadata[$transitionWithMetadataArrowColorPink] = [
'arrow_color' => 'Pink',
];
$inMemoryMetadataStore = new InMemoryMetadataStore([], $placesMetadata, $transitionsMetadata);
return new Definition($places, $transitions, null, $inMemoryMetadataStore);
// The graph looks like:
// +---+ +----+ +---+ +----+ +---+
// | a | --> | t1 | --> | b | --> | t2 | --> | c |
// +---+ +----+ +---+ +----+ +---+
}
private static function createWorkflowWithSameNameTransition(): Definition
{
$places = range('a', 'c');
$transitions = [];
$transitions[] = new Transition('a_to_bc', 'a', ['b', 'c']);
$transitions[] = new Transition('b_to_c', 'b', 'c');
$transitions[] = new Transition('to_a', 'b', 'a');
$transitions[] = new Transition('to_a', 'c', 'a');
return new Definition($places, $transitions);
// The graph looks like:
// +------------------------------------------------------------+
// | |
// | |
// | +----------------------------------------+ |
// v | v |
// +---+ +---------+ +---+ +--------+ +---+ +------+
// | a | --> | a_to_bc | --> | b | --> | b_to_c | --> | c | --> | to_a | -+
// +---+ +---------+ +---+ +--------+ +---+ +------+ |
// ^ | ^ |
// | +----------------------------------+ |
// | |
// | |
// +--------------------------------------------------------------------+
}
private static function createComplexStateMachineDefinition(): Definition
{
$places = ['a', 'b', 'c', 'd'];
$transitions[] = new Transition('t1', 'a', 'b');
$transitionWithMetadataDumpStyle = new Transition('t1', 'd', 'b');
$transitions[] = $transitionWithMetadataDumpStyle;
$transitionWithMetadataArrowColorBlue = new Transition('t2', 'b', 'c');
$transitions[] = $transitionWithMetadataArrowColorBlue;
$transitions[] = new Transition('t3', 'b', 'd');
$transitionsMetadata = new \SplObjectStorage();
// PHP 7.2 doesn't allow this heredoc syntax in an array, use a dedicated variable instead
$label = <<<'EOTXT'
My custom transition
label 3
EOTXT;
$transitionsMetadata[$transitionWithMetadataDumpStyle] = [
'label' => $label,
'color' => 'Grey',
'arrow_color' => 'Red',
];
$transitionsMetadata[$transitionWithMetadataArrowColorBlue] = [
'arrow_color' => 'Blue',
];
$inMemoryMetadataStore = new InMemoryMetadataStore([], [], $transitionsMetadata);
return new Definition($places, $transitions, null, $inMemoryMetadataStore);
// The graph looks like:
// t1
// +------------------+
// v |
// +---+ t1 +-----+ t2 +---+ |
// | a | ----> | b | ----> | c | |
// +---+ +-----+ +---+ |
// | |
// | t3 |
// v |
// +-----+ |
// | d | -------------+
// +-----+
}
private static function createWorkflowWithSameNameBackTransition(): Definition
{
$places = range('a', 'c');
$transitions = [];
$transitions[] = new Transition('a_to_bc', 'a', ['b', 'c']);
$transitions[] = new Transition('back1', 'b', 'a');
$transitions[] = new Transition('back1', 'c', 'b');
$transitions[] = new Transition('back2', 'c', 'b');
$transitions[] = new Transition('back2', 'b', 'a');
$transitions[] = new Transition('c_to_cb', 'c', ['b', 'c']);
return new Definition($places, $transitions);
// The graph looks like:
// +-----------------------------------------------------------------+
// | |
// | |
// | +---------------------------------------------+ |
// v | v |
// +---+ +---------+ +-------+ +---------+ +---+ +-------+
// | a | --> | a_to_bc | --> | | --> | back2 | --> | | --> | back2 |
// +---+ +---------+ | | +---------+ | | +-------+
// ^ | | | |
// | | c | <-----+ | b |
// | | | | | |
// | | | +---------+ | | +-------+
// | | | --> | c_to_cb | --> | | --> | back1 |
// | +-------+ +---------+ +---+ +-------+
// | | ^ |
// | | | |
// | v | |
// | +-------+ | |
// | | back1 | ----------------------+ |
// | +-------+ |
// | |
// +-----------------------------------------------------------------+
}
}