Package org.camunda.bpm.engine.impl.history.parser

Class HistoryExecutionListener

java.lang.Object

org.camunda.bpm.engine.impl.history.parser.HistoryExecutionListener

All Implemented Interfaces:

DelegateListener<DelegateExecution>, ExecutionListener

Direct Known Subclasses:

ActivityInstanceEndListener, ActivityInstanceStartListener, ProcessInstanceEndListener, ProcessInstanceStartListener, ProcessInstanceUpdateListener

public abstract class HistoryExecutionListener
extends Object
implements ExecutionListener

An ExecutionListener implementation that delegates to a HistoryEventProducer.

This allows plugging the history as an execution listener into process execution and make sure history events are generated as we move through the process.

Author:

Daniel Meyer

Field Summary

Fields

Modifier and Type	Field	Description
protected HistoryEventProducer	eventProducer
protected HistoryLevel	historyLevel

Fields inherited from interface org.camunda.bpm.engine.delegate.ExecutionListener

EVENTNAME_END, EVENTNAME_START, EVENTNAME_TAKE

Constructor Summary

Constructors

Constructor	Description
HistoryExecutionListener(HistoryEventProducer historyEventProducer)

Method Summary

Modifier and Type	Method	Description
protected abstract HistoryEvent	createHistoryEvent(DelegateExecution execution)
protected void	ensureHistoryLevelInitialized()
void	notify(DelegateExecution execution)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

eventProducer

protected final HistoryEventProducer eventProducer

historyLevel

protected HistoryLevel historyLevel

Constructor Detail

HistoryExecutionListener

public HistoryExecutionListener(HistoryEventProducer historyEventProducer)

Method Detail

notify

public void notify(DelegateExecution execution)
            throws Exception

Specified by:

notify in interface DelegateListener<DelegateExecution>

Specified by:

notify in interface ExecutionListener

Throws:

Exception

ensureHistoryLevelInitialized

protected void ensureHistoryLevelInitialized()

createHistoryEvent

protected abstract HistoryEvent createHistoryEvent(DelegateExecution execution)