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org.apache.lenya.workflow.impl
Class TransitionImpl

java.lang.Object
  org.apache.lenya.workflow.impl.TransitionImpl

All Implemented Interfaces:

Transition

public class TransitionImpl
extends java.lang.Object
implements Transition

Implementation of a transition.

Constructor Summary

protected

TransitionImpl(StateImpl sourceState, StateImpl destinationState) Ctor.

Method Summary

void	addAction(Action action) Assigns an action to this transition.
void	addCondition(Condition condition) Assigns a condition to this transition.
boolean	canFire(Situation situation, WorkflowInstance instance) Returns if the transition can fire in a certain situation.
Action[]	getActions() Returns the actions which are assigned tothis transition.
Condition[]	getConditions() Returns the conditions which are assigned to this transition.
StateImpl	getDestination() Returns the destination state of this transition.
Event	getEvent() Returns the event which invokes this transition.
StateImpl	getSource() Returns the source state of this transition.
boolean	isSynchronized() Returns if this transition is synchronized.
void	setEvent(Event anEvent) Sets the event to invoke this transition.
protected void	setSynchronized(boolean isSynchronized) Sets if this transition is synchronized.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

TransitionImpl

protected TransitionImpl(StateImpl sourceState,
                         StateImpl destinationState)

Ctor.

Parameters:

sourceState - The source state.

destinationState - The destination state.

Method Detail

getActions

public Action[] getActions()

Returns the actions which are assigned tothis transition.

Specified by:

getActions in interface Transition

Returns:

An array of actions.

addAction

public void addAction(Action action)

Assigns an action to this transition.

Parameters:

action - The action.

getConditions

public Condition[] getConditions()

Returns the conditions which are assigned to this transition.

Returns:

An array of conditions.

addCondition

public void addCondition(Condition condition)

Assigns a condition to this transition.

Parameters:

condition - The condition.

getEvent

public Event getEvent()

Returns the event which invokes this transition.

Specified by:

getEvent in interface Transition

Returns:

An event.

setEvent

public void setEvent(Event anEvent)

Sets the event to invoke this transition.

Parameters:

anEvent - An event.

getSource

public StateImpl getSource()

Returns the source state of this transition.

Returns:

A state.

getDestination

public StateImpl getDestination()

Returns the destination state of this transition.

Returns:

A state.

canFire

public boolean canFire(Situation situation,
                       WorkflowInstance instance)
                throws WorkflowException

Returns if the transition can fire in a certain situation.

Specified by:

canFire in interface Transition

Parameters:

situation - The situation.

instance - The workflow instance.

Returns:

A boolean value.

Throws:

WorkflowException - when an error occurs.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

isSynchronized

public boolean isSynchronized()

Returns if this transition is synchronized.

Specified by:

isSynchronized in interface Transition

Returns:

A boolean value.

setSynchronized

protected void setSynchronized(boolean isSynchronized)

Sets if this transition is synchronized.

Parameters:

isSynchronized - A boolean value.