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oracle.ide.model
Class XMLDataNode.DataCastPacket

java.lang.Object
oracle.ide.model.XMLDataNode.DataCastPacket

Enclosing class:

XMLDataNode

protected static final class XMLDataNode.DataCastPacket

extends java.lang.Object

The DataCastPacket class is a data class that is helpful for reducing the number of type-cast operations that need to occur. This is done by replacing the type-cast check with a check for null at the expense of keeping around more references in memory to the object in question.

This kind of strategy works well for objects that are frequently cast to a particular type. Once it has been created, this class is an immutable (read-only) data structure.

Field Summary

Dirtyable	dirtyable The Dirtyable view of the data object.
Element	element The Element view of the data object.
Folder	folder The Folder view of the data object.
java.lang.Object	object The Object view of the data object.

Constructor Summary

XMLDataNode.DataCastPacket(java.lang.Object obj)
Creates a new instance of DataCastPacket and initializes all of its fields.

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

object

public final java.lang.Object object

The Object view of the data object.

element

public final Element element

The Element view of the data object. If the object is not an Element, then this field's value is null.

dirtyable

public final Dirtyable dirtyable

The Dirtyable view of the data object. If the object is not a Dirtyable, then this field's value is null.

folder

public final Folder folder

The Folder view of the data object. If the object is not a Folder, then this field's value is null.

Constructor Detail

XMLDataNode.DataCastPacket

public XMLDataNode.DataCastPacket(java.lang.Object obj)

Creates a new instance of DataCastPacket and initializes all of its fields.

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