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org.scopemvc.model.basic
Class ModelChangeEventSupport  

java.lang.Object
  org.scopemvc.model.basic.ModelChangeEventSupport

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public class ModelChangeEventSupport

extends java.lang.Object

Delegate to help ModelChangeEvent listener registration and firing. Used by BasicModel. Events are fired synchronously in this implementation.

Version:

$Revision: 1.5 $ $Date: 2002/01/26 09:46:20 $

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Field Summary
private  int	activationCount
private  java.util.ArrayList	listeners
private static org.apache.commons.logging.Log	LOG
private  org.scopemvc.core.ModelChangeEventSource	source

 

Constructor Summary

ModelChangeEventSupport(org.scopemvc.core.ModelChangeEventSource inSource)

 

Method Summary
void	activateModel()           Disable ModelChangeEvent broadcasting for a Model.
void	addModelChangeListener(org.scopemvc.core.ModelChangeListener inListener)           Register a ModelChangeListener to receive ModelChangeEvent broadcasts from the passed Model.
void	deactivateModel()           Enable ModelChangeEvent broadcasting for a Model that was disabled.
void	fireModelChange(int inType, org.scopemvc.core.Selector inSelector)
boolean	isModelDeactivated()
void	removeModelChangeListener(org.scopemvc.core.ModelChangeListener inListener)           Remove a ModelChangeListener from the set of registered listeners to the passed Model.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

LOG

private static final org.apache.commons.logging.Log LOG

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source

private org.scopemvc.core.ModelChangeEventSource source

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listeners

private java.util.ArrayList listeners

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activationCount

private int activationCount

Constructor Detail

ModelChangeEventSupport

public ModelChangeEventSupport(org.scopemvc.core.ModelChangeEventSource inSource)

Method Detail

activateModel

public final void activateModel()

Disable ModelChangeEvent broadcasting for a Model. This can 'stack' multiple inactivation requests, allowing nested inactivations.

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deactivateModel

public final void deactivateModel()

Enable ModelChangeEvent broadcasting for a Model that was disabled. This can 'stack' multiple activation requests, allowing nested activations.

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isModelDeactivated

public boolean isModelDeactivated()

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addModelChangeListener

public void addModelChangeListener(org.scopemvc.core.ModelChangeListener inListener)

Register a ModelChangeListener to receive ModelChangeEvent broadcasts from the passed Model.

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removeModelChangeListener

public void removeModelChangeListener(org.scopemvc.core.ModelChangeListener inListener)

Remove a ModelChangeListener from the set of registered listeners to the passed Model. The passed listener must be registered as a listener to the Model.

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fireModelChange

public void fireModelChange(int inType,
                            org.scopemvc.core.Selector inSelector)

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