protected function setUpNestedExclusiveChoiceSimpleMerge($x = true, $y = true)
{
$this->workflow = new ezcWorkflow('NestedExclusiveChoiceSimpleMerge');
$setX = new ezcWorkflowNodeVariableSet(array('x' => $x));
$setY = new ezcWorkflowNodeVariableSet(array('y' => $y));
$setZ1 = new ezcWorkflowNodeVariableSet(array('z' => true));
$setZ2 = new ezcWorkflowNodeVariableSet(array('z' => false));
$setZ3 = new ezcWorkflowNodeVariableSet(array('z' => false));
$this->workflow->startNode->addOutNode($setX);
$branch1 = new ezcWorkflowNodeExclusiveChoice();
$branch1->addInNode($setX);
$branch1->addConditionalOutNode(new ezcWorkflowConditionVariable('x', new ezcWorkflowConditionIsTrue()), $setY);
$branch1->addConditionalOutNode(new ezcWorkflowConditionVariable('x', new ezcWorkflowConditionIsFalse()), $setZ3);
$branch2 = new ezcWorkflowNodeExclusiveChoice();
$branch2->addInNode($setY);
$branch2->addConditionalOutNode(new ezcWorkflowConditionVariable('y', new ezcWorkflowConditionIsTrue()), $setZ1);
$branch2->addConditionalOutNode(new ezcWorkflowConditionVariable('y', new ezcWorkflowConditionIsFalse()), $setZ2);
$nestedMerge = new ezcWorkflowNodeSimpleMerge();
$nestedMerge->addInNode($setZ1)->addInNode($setZ2);
$merge = new ezcWorkflowNodeSimpleMerge();
$merge->addInNode($nestedMerge)->addInNode($setZ3)->addOutNode($this->workflow->endNode);
}
<?php
// Create new workflow of name "Test".
$workflow = new ezcWorkflow('Test');
// Create an Input node that expects a boolean workflow variable of name "choice".
$input = new ezcWorkflowNodeInput(array('choice' => new ezcWorkflowConditionIsBool()));
// Add the previously created Input node
// as an outgoing node to the start node.
$workflow->startNode->addOutNode($input);
// Create a new Exclusive Choice node and add it as an
// outgoing node to the previously created Input node.
// This node will choose which output to run based on the
// choice workflow variable.
$branch = new ezcWorkflowNodeExclusiveChoice();
$branch->addInNode($input);
// Either $true or $false will be run depending on
// the above choice.
// Note that neither $true nor $false are valid action nodes.
// see the next example
$trueNode = new ezcWorkflowNodeAction('PrintTrue');
$falseNode = new ezcWorkflowNodeAction('PrintFalse');
// Branch
// Condition: Variable "choice" has boolean value "true".
// Action: PrintTrue service object.
$branch->addConditionalOutNode(new ezcWorkflowConditionVariable('choice', new ezcWorkflowConditionIsTrue()), $trueNode);
// Branch
// Condition: Variable "choice" has boolean value "false".
// Action: PrintFalse service object.
$branch->addConditionalOutNode(new ezcWorkflowConditionVariable('choice', new ezcWorkflowConditionIsFalse()), $falseNode);
// Create SimpleMerge node and add the two possible threads of
// execution as incoming nodes of the end node.
public function testVerifyTooFewConditionalOutNodes()
{
$branch = new ezcWorkflowNodeExclusiveChoice();
$branch->addInNode(new ezcWorkflowNodeStart())->addOutNode(new ezcWorkflowNodeEnd())->addOutNode(new ezcWorkflowNodeEnd());
try {
$branch->verify();
} catch (ezcWorkflowInvalidWorkflowException $e) {
$this->assertEquals('Node has less conditional outgoing nodes than required.', $e->getMessage());
return;
}
$this->fail('Expected an ezcWorkflowInvalidWorkflowException to be thrown.');
}
