Package org.activiti.engine.impl.delegate.invocation

Class DelegateInvocation

java.lang.Object

org.activiti.engine.impl.delegate.invocation.DelegateInvocation

Direct Known Subclasses:

ActivityBehaviorInvocation, ExecutionListenerInvocation, ExpressionInvocation, JavaDelegateInvocation, TaskListenerInvocation, ThrowMessageDelegateInvocation

public abstract class DelegateInvocation
extends Object

Provides context about the invocation of usercode and handles the actual invocation

See Also:

• DelegateInterceptor

Field Summary

Fields

Modifier and Type	Field	Description
protected Object[]	invocationParameters
protected Object	invocationResult

Constructor Summary

Constructors

Constructor	Description
DelegateInvocation()

Method Summary

Modifier and Type	Method	Description
Object[]	getInvocationParameters()
Object	getInvocationResult()
abstract Object	getTarget()	returns the target of the current invocation, ie.
protected abstract void	invoke()
void	proceed()	make the invocation proceed, performing the actual invocation of the user code.

Methods inherited from class java.lang.Object

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

Field Details

invocationResult

protected Object invocationResult

invocationParameters

protected Object[] invocationParameters

Constructor Details

DelegateInvocation

public DelegateInvocation()

Method Details

proceed

public void proceed()

make the invocation proceed, performing the actual invocation of the user code.

Throws:

Exception - the exception thrown by the user code

invoke

protected abstract void invoke()

getInvocationResult

public Object getInvocationResult()

Returns:

the result of the invocation (can be null if the invocation does not return a result)

getInvocationParameters

public Object[] getInvocationParameters()

Returns:

an array of invocation parameters (null if the invocation takes no parameters)

getTarget

public abstract Object getTarget()

returns the target of the current invocation, ie. JavaDelegate, ValueExpression ...