| <?php |
| /** |
| * File containing the ezcWorkflowNodeBranch class. |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| * @package Workflow |
| * @version //autogen// |
| * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0 |
| */ |
| |
| /** |
| * Base class for nodes that branch multiple threads of execution. |
| * |
| * @package Workflow |
| * @version //autogen// |
| */ |
| abstract class ezcWorkflowNodeBranch extends ezcWorkflowNode |
| { |
| /** |
| * Constraint: The minimum number of outgoing nodes this node has to have |
| * to be valid. |
| * |
| * @var integer |
| */ |
| protected $minOutNodes = 2; |
| |
| /** |
| * Constraint: The maximum number of outgoing nodes this node has to have |
| * to be valid. |
| * |
| * @var integer |
| */ |
| protected $maxOutNodes = false; |
| |
| /** |
| * Whether or not to start a new thread for a branch. |
| * |
| * @var bool |
| */ |
| protected $startNewThreadForBranch = true; |
| |
| /** |
| * Activates this node's outgoing nodes. |
| * |
| * @param ezcWorkflowExecution $execution |
| * @param array $nodes |
| * @return boolean true when the node finished execution, |
| * and false otherwise |
| */ |
| protected function activateOutgoingNodes( ezcWorkflowExecution $execution, array $nodes ) |
| { |
| $threadId = $this->getThreadId(); |
| $numNodesToActivate = count( $nodes ); |
| |
| foreach ( $nodes as $node ) |
| { |
| if ( $this->startNewThreadForBranch ) |
| { |
| $node->activate( $execution, $this, $execution->startThread( $threadId, $numNodesToActivate ) ); |
| } |
| else |
| { |
| $node->activate( $execution, $this, $threadId ); |
| } |
| } |
| |
| return parent::execute( $execution ); |
| } |
| } |
| ?> |