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WorkflowDatabaseTiein: ezcWorkflowDatabaseExecution

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Class: ezcWorkflowDatabaseExecution

Workflow executer that suspends and resumes workflow execution states to and from a database. [source]

Parents

ezcWorkflowExecution
   |
   --ezcWorkflowDatabaseExecution

Member Variables

protected ezcDbHandler $db
ezcDbHandler instance to be used.
protected boolean $loaded = false
Flag that indicates whether the execution has been loaded.
protected array(string=>mixed) $properties = array(
'definitionStorage' => null,
'workflow' => null,
'options' => null
)

Container to hold the properties

Inherited Member Variables

From ezcWorkflowExecution:
protected  ezcWorkflowExecution::$activatedNodes
protected  ezcWorkflowExecution::$cancelled
protected  ezcWorkflowExecution::$ended
protected  ezcWorkflowExecution::$id
protected  ezcWorkflowExecution::$nextThreadId
protected  ezcWorkflowExecution::$numActivatedEndNodes
protected  ezcWorkflowExecution::$numActivatedNodes
protected  ezcWorkflowExecution::$plugins
protected  ezcWorkflowExecution::$resumed
protected  ezcWorkflowExecution::$suspended
protected  ezcWorkflowExecution::$threads
protected  ezcWorkflowExecution::$variables
protected  ezcWorkflowExecution::$waitingFor

Method Summary

public ezcWorkflowDatabaseExecution __construct( $db, [$executionId = null] )
Construct a new database execution.
protected void cleanupTable( $tableName )
Cleanup execution / execution_state tables.
protected void doEnd( )
End workflow execution.
protected ezcWorkflowExecution doGetSubExecution( [$id = null] )
Returns a new execution object for a sub workflow.
protected void doResume( )
Resume workflow execution.
protected void doStart( $parentId )
Start workflow execution.
protected void doSuspend( )
Suspend workflow execution.
protected void loadExecution( $executionId )
Load execution state.

Inherited Methods

From ezcWorkflowExecution :
public bool ezcWorkflowExecution::addListener()
Adds a listener to this execution.
public bool ezcWorkflowExecution::addPlugin()
Adds a plugin to this execution.
public void ezcWorkflowExecution::cancel()
Cancels workflow execution with the node $endNode.
protected abstract void ezcWorkflowExecution::doEnd()
Called by end() when workflow execution is ended.
protected abstract ezcWorkflowExecution ezcWorkflowExecution::doGetSubExecution()
Returns a new execution object for a sub workflow.
protected abstract void ezcWorkflowExecution::doResume()
Called by resume() when workflow execution is resumed.
protected abstract void ezcWorkflowExecution::doStart()
Called by start() when workflow execution is initiated.
protected abstract void ezcWorkflowExecution::doSuspend()
Called by suspend() when workflow execution is suspended.
public bool ezcWorkflowExecution::hasEnded()
Returns true when the workflow execution has ended.
public bool ezcWorkflowExecution::isCancelled()
Returns true when the workflow execution has been cancelled.
public bool ezcWorkflowExecution::isSuspended()
Returns true when the workflow execution has been suspended.
protected void ezcWorkflowExecution::loadFromVariableHandlers()
Loads data from variable handlers and merge it with the current execution data.
public bool ezcWorkflowExecution::removeListener()
Removes a listener from this execution.
public bool ezcWorkflowExecution::removePlugin()
Removes a plugin from this execution.
public void ezcWorkflowExecution::resume()
Resumes workflow execution of a suspended workflow.
protected void ezcWorkflowExecution::saveToVariableHandlers()
Saves data to execution data handlers.
public mixed ezcWorkflowExecution::start()
Starts the execution of the workflow and returns the execution id.

Methods

__construct

ezcWorkflowDatabaseExecution __construct( $db, [int $executionId = null] )
Construct a new database execution.
This constructor is a tie-in.

Parameters

Name Type Description
$db ezcDbHandler  
$executionId int  

Throws

ClassDescription
ezcWorkflowExecutionException

cleanupTable

void cleanupTable( string $tableName )
Cleanup execution / execution_state tables.

Parameters

Name Type Description
$tableName string  

Throws

ClassDescription
ezcDbException

doEnd

void doEnd( )
End workflow execution.

Throws

ClassDescription
ezcDbException

Redefinition of

Method Description
ezcWorkflowExecution::doEnd() Called by end() when workflow execution is ended.

doGetSubExecution

ezcWorkflowExecution doGetSubExecution( [int $id = null] )
Returns a new execution object for a sub workflow.

Parameters

Name Type Description
$id int  

Redefinition of

Method Description
ezcWorkflowExecution::doGetSubExecution() Returns a new execution object for a sub workflow.

doResume

void doResume( )
Resume workflow execution.

Throws

ClassDescription
ezcDbException

Redefinition of

Method Description
ezcWorkflowExecution::doResume() Called by resume() when workflow execution is resumed.

doStart

void doStart( int $parentId )
Start workflow execution.

Parameters

Name Type Description
$parentId int  

Throws

ClassDescription
ezcDbException

Redefinition of

Method Description
ezcWorkflowExecution::doStart() Called by start() when workflow execution is initiated.

doSuspend

void doSuspend( )
Suspend workflow execution.

Throws

ClassDescription
ezcDbException

Redefinition of

Method Description
ezcWorkflowExecution::doSuspend() Called by suspend() when workflow execution is suspended.

loadExecution

void loadExecution( int $executionId )
Load execution state.

Parameters

Name Type Description
$executionId int ID of the execution to load.

Throws

ClassDescription
ezcWorkflowExecutionException

Last updated: Mon, 21 Dec 2009