[svn-components] 7348 - in /trunk/Workflow: design/class_diagram.png src/execution/plugin/execution_listener.php src/execution/plugin/listener.php src/execution/plugin/visualizer.php src/workflow_autoload.php

[Sebastian Bergmann]

Author: sb
Date: Tue Feb 12 11:04:34 2008
New Revision: 7348

Log:
- Add ezcWorkflowExecutionVisualizerPlugin.
# Reorganize plugin directory.

Added:
    trunk/Workflow/src/execution/plugin/listener.php
      - copied unchanged from r7342, 
trunk/Workflow/src/execution/plugin/execution_listener.php
    trunk/Workflow/src/execution/plugin/visualizer.php   (with props)
Removed:
    trunk/Workflow/src/execution/plugin/execution_listener.php
Modified:
    trunk/Workflow/design/class_diagram.png
    trunk/Workflow/src/workflow_autoload.php

Modified: trunk/Workflow/design/class_diagram.png
==============================================================================
Binary files - no diff available.

Added: trunk/Workflow/src/execution/plugin/visualizer.php
==============================================================================
--- trunk/Workflow/src/execution/plugin/visualizer.php (added)
+++ trunk/Workflow/src/execution/plugin/visualizer.php [iso-8859-1] Tue Feb 12 
11:04:34 2008
@@ -1,0 +1,108 @@
+<?php
+/**
+ * File containing the ezcWorkflowExecutionVisualizerPlugin class.
+ *
+ * @package Workflow
+ * @version //autogen//
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+
+/**
+ * Execution plugin that visualizes the execution.
+ *
+ * @package Workflow
+ * @version //autogen//
+ */
+class ezcWorkflowExecutionVisualizerPlugin extends ezcWorkflowExecutionPlugin
+{
+    /**
+     * The directory to which the DOT files are written.
+     *
+     * @var string
+     */
+    protected $directory;
+
+    /**
+     * Filename counter.
+     *
+     * @var integer
+     */
+    protected $fileCounter = 0;
+
+    /**
+     * Constructor.
+     *
+     * @param  string $directory
+     * @throws ezcBaseFileNotFoundException when the directory does not exist
+     * @throws ezcBaseFilePermissionException when the directory is not 
writable
+     */
+    public function __construct( $directory )
+    {
+        if ( !is_dir( $directory ) )
+        {
+            throw new ezcBaseFileNotFoundException( $directory );
+        }
+
+        if ( !is_writable( $directory ) )
+        {
+            throw new ezcBaseFilePermissionException( $directory, 
ezcBaseFileException::WRITE );
+        }
+
+        $this->directory = $directory;
+    }
+
+    /**
+     * Called after a node has been activated.
+     *
+     * @param ezcWorkflowExecution $execution
+     * @param ezcWorkflowNode      $node
+     */
+    public function afterNodeActivated( ezcWorkflowExecution $execution, 
ezcWorkflowNode $node )
+    {
+        $this->visualize( $execution );
+    }
+
+    /**
+     * Called after a node has been executed.
+     *
+     * @param ezcWorkflowExecution $execution
+     * @param ezcWorkflowNode      $node
+     */
+    public function afterNodeExecuted( ezcWorkflowExecution $execution, 
ezcWorkflowNode $node )
+    {
+        $this->visualize( $execution );
+    }
+
+    /**
+     * Visualizes the current state of the workflow execution.
+     *
+     * @param ezcWorkflowExecution $execution
+     */
+    protected function visualize( ezcWorkflowExecution $execution )
+    {
+        $activatedNodes = array();
+
+        foreach ( $execution->getActivatedNodes() as $node )
+        {
+            $activatedNodes[] = $node->getId();
+        }
+
+        $visitor = new ezcWorkflowVisitorVisualization( $activatedNodes );
+        $execution->workflow->accept( $visitor );
+
+        file_put_contents(
+          sprintf(
+            '%s%s%s_%d_%d.dot',
+
+            $this->directory,
+            DIRECTORY_SEPARATOR,
+            $execution->workflow->name,
+            $execution->getId(),
+            ++$this->fileCounter
+          ),
+          $visitor->__toString()
+        );
+    }
+}
+?>

Propchange: trunk/Workflow/src/execution/plugin/visualizer.php
------------------------------------------------------------------------------
    svn:eol-style = native

Propchange: trunk/Workflow/src/execution/plugin/visualizer.php
------------------------------------------------------------------------------
    svn:keywords = Id

Modified: trunk/Workflow/src/workflow_autoload.php
==============================================================================
--- trunk/Workflow/src/workflow_autoload.php [iso-8859-1] (original)
+++ trunk/Workflow/src/workflow_autoload.php [iso-8859-1] Tue Feb 12 11:04:34 
2008
@@ -56,8 +56,9 @@
     'ezcWorkflowConditionXor'                  => 
'Workflow/conditions/xor.php',
     'ezcWorkflowDefinitionStorageXml'          => 
'Workflow/definition_storage/xml.php',
     'ezcWorkflowExecutionListener'             => 
'Workflow/interfaces/execution_listener.php',
-    'ezcWorkflowExecutionListenerPlugin'       => 
'Workflow/execution/plugin/execution_listener.php',
+    'ezcWorkflowExecutionListenerPlugin'       => 
'Workflow/execution/plugin/listener.php',
     'ezcWorkflowExecutionNonInteractive'       => 
'Workflow/execution/non_interactive.php',
+    'ezcWorkflowExecutionVisualizerPlugin'     => 
'Workflow/execution/plugin/visualizer.php',
     'ezcWorkflowNodeAction'                    => 'Workflow/nodes/action.php',
     'ezcWorkflowNodeCancel'                    => 'Workflow/nodes/cancel.php',
     'ezcWorkflowNodeDiscriminator'             => 
'Workflow/nodes/control_flow/discriminator.php',


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