Package org.eclnt.jsfserver.elements.util

Class Trigger

java.lang.Object

org.eclnt.jsfserver.elements.util.Trigger

All Implemented Interfaces:

Serializable

public class Trigger
extends Object
implements Serializable

Certain client side components provide some trigger to activate certain functions one time. The corresponding *TRIGGER attribute of the component is implemented by an instance of this Trigger class.

Example: an animation component (e.g. CAPTUREANIMITOR) requires a trigger to start the animation.

Remember that the UI processing is happending on client side! The Trigger-instance provides an internal trigger value (long value) which is automatically changed when calling the method trigger() - so that the response to the client side is containing an updated value. The component checks the value for not being 0 and for having changed. If there was a change of the trigger value then this is the signal for the component to execute its function (e.g. in case of the animation component: to execute the animation.

The trigger value is automatically set back to 0 after the response processing phase.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
Trigger()

Method Summary

Modifier and Type	Method	Description
Long	getTriggerValue()
String	toString()
void	trigger()

Methods inherited from class java.lang.Object

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

Constructor Details

Trigger

public Trigger()

Method Details

trigger

public void trigger()

toString

public String toString()

Overrides:

toString in class Object

getTriggerValue

public Long getTriggerValue()