Zeta Components - high quality PHP components

Zeta Components Manual :: Docs For Class ezcWorkflowNodeParallelSplit


Class ezcWorkflowNodeParallelSplit

This node implements the Parallel Split workflow pattern.

The Parallel Split workflow pattern divides one thread of execution unconditionally into multiple parallel threads of execution.

Use Case Example: After the credit card specified by the customer has been successfully charged, the activities of sending a confirmation email and starting the shipping process can be executed in parallel.

Incoming nodes: 1 Outgoing nodes: 2..*

This example creates a workflow that splits in two parallel threads which are joined again using a ezcWorkflowNodeDiscriminator.

  1.  <?php
  2.  $workflow = new ezcWorkflow( 'Test' );
  4.  $split = new ezcWorkflowNodeParallelSplit();
  5.  $workflow->startNode->addOutNode( $split );
  6.  $nodeExec1 = ....; // create nodes for the first thread of execution here..
  7.  $nodeExec2 = ....; // create nodes for the second thread of execution here..
  9.  $disc = new ezcWorkflowNodeDiscriminator();
  10.  $disc->addInNode( $nodeExec1 );
  11.  $disc->addInNode( $nodeExec2 );
  12.  $disc->addOutNode( $workflow->endNode );
  13.  ?>

Source for this file: /Workflow/src/nodes/control_flow/parallel_split.php

Version:   //autogen//

Inherited Constants

From ezcWorkflowNode:
ezcWorkflowNode::WAITING_FOR_ACTIVATION    The node is waiting to be activated.
ezcWorkflowNode::WAITING_FOR_EXECUTION    The node is activated and waiting to be executed.

Inherited Member Variables

From ezcWorkflowNodeBranch
protected ezcWorkflowNodeBranch::$maxOutNodes
protected ezcWorkflowNodeBranch::$minOutNodes
protected ezcWorkflowNodeBranch::$startNewThreadForBranch
From ezcWorkflowNode
protected ezcWorkflowNode::$activatedFrom
protected ezcWorkflowNode::$activationState
protected ezcWorkflowNode::$configuration
protected ezcWorkflowNode::$id
protected ezcWorkflowNode::$inNodes
protected ezcWorkflowNode::$internalCall
protected ezcWorkflowNode::$maxInNodes
protected ezcWorkflowNode::$minInNodes
protected ezcWorkflowNode::$numInNodes
protected ezcWorkflowNode::$numOutNodes
protected ezcWorkflowNode::$outNodes
protected ezcWorkflowNode::$state
protected ezcWorkflowNode::$threadId

Inherited Methods

From ezcWorkflowNodeBranch
protected boolean ezcWorkflowNodeBranch::activateOutgoingNodes()
Activates this node's outgoing nodes.
From ezcWorkflowNode
public ezcWorkflowNode ezcWorkflowNode::__construct()
Constructs a new node with the configuration $configuration.
public void ezcWorkflowNode::accept()
Reimplementation of accept() calls accept on all out nodes.
protected void ezcWorkflowNode::activateNode()
Convenience method for activating an (outgoing) node.
public ezcWorkflowNode ezcWorkflowNode::addInNode()
Adds a node to the incoming nodes of this node.
public ezcWorkflowNode ezcWorkflowNode::addOutNode()
Adds a node to the outgoing nodes of this node.
public mixed ezcWorkflowNode::getConfiguration()
Returns the configuration of this node.
public ezcWorkflowNode[] ezcWorkflowNode::getInNodes()
Returns the incoming nodes of this node.
public ezcWorkflowNode[] ezcWorkflowNode::getOutNodes()
Returns the outgoing nodes of this node.
public boolean ezcWorkflowNode::removeInNode()
Removes a node from the incoming nodes of this node.
public boolean ezcWorkflowNode::removeOutNode()
Removes a node from the outgoing nodes of this node.
public void ezcWorkflowNode::verify()
Checks this node's constraints.
Documentation generated by phpDocumentor 1.4.3