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java.lang.Objectjava.util.EventObject
java.beans.PropertyChangeEvent
org.eclipse.persistence.descriptors.changetracking.CollectionChangeEvent
public class CollectionChangeEvent
Purpose: Define a change event for collection types.
Description: For any object that wishes to use either object change tracking or attribute change tracking, its collection attributes need to fire CollectionChangeEvent in the add or remove methods.
Responsibilities: Create a CollectionChangeEvent for an object
Field Summary | |
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static int |
ADD
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protected int |
changeType
INTERNAL: Change type is either add or remove |
protected java.lang.Integer |
index
INTERNAL: index is the location of the change in the collection |
static int |
REMOVE
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Fields inherited from class java.util.EventObject |
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source |
Constructor Summary | |
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CollectionChangeEvent(java.lang.Object collectionOwner,
java.lang.String propertyName,
java.lang.Object collectionChanged,
java.lang.Object elementChanged,
int changeType)
PUBLIC: Create a CollectionChangeEvent for an object based on the property name, old value, new value and change type (add or remove) |
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CollectionChangeEvent(java.lang.Object collectionOwner,
java.lang.String propertyName,
java.lang.Object collectionChanged,
java.lang.Object elementChanged,
int changeType,
java.lang.Integer index)
PUBLIC: Create a CollectionChangeEvent for an object based on the property name, old value, new value, change type (add or remove) and the index where the object is/was in the collection (list) |
Method Summary | |
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int |
getChangeType()
INTERNAL: Return the change type |
java.lang.Integer |
getIndex()
INTERNAL: Return the index of the change in the collection |
void |
setIndex(java.lang.Integer index)
INTERNAL: Set the index of the change in the collection |
Methods inherited from class java.beans.PropertyChangeEvent |
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getNewValue, getOldValue, getPropagationId, getPropertyName, setPropagationId |
Methods inherited from class java.util.EventObject |
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getSource, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static int ADD
public static int REMOVE
protected int changeType
protected java.lang.Integer index
Constructor Detail |
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public CollectionChangeEvent(java.lang.Object collectionOwner, java.lang.String propertyName, java.lang.Object collectionChanged, java.lang.Object elementChanged, int changeType)
public CollectionChangeEvent(java.lang.Object collectionOwner, java.lang.String propertyName, java.lang.Object collectionChanged, java.lang.Object elementChanged, int changeType, java.lang.Integer index)
Method Detail |
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public int getChangeType()
public java.lang.Integer getIndex()
public void setIndex(java.lang.Integer index)
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