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| Oracle TopLink API Reference 10g Release 3 (10.1.3) B13698-01
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## oracle.toplink.changesets
Interface CollectionChangeRecord

All Superinterfaces:
  ChangeRecord

public interface CollectionChangeRecord
extends ChangeRecord

Purpose: This interface defines the API for the changeRecord that maintains the changes made to a collection attribute of an object.

Description: The CollectionChangeRecord stores a list of objects removed from the collection and a seperate list of objects added to a collection

Method Summary
`IdentityHashtable` | `getAddObjectList()` ADVANCED: This method returns the IdentityHashtable that contains the added values to the collection and their corresponding ChangeSets.
`IdentityHashtable` | `getRemoveObjectList()` ADVANCED: This method returns the IdentityHashtable that contains the removed values from the collection and their corresponding ChangeSets.
`boolean` | `hasChanges()` ADVANCED: This method returns true if the change set has changes

Methods inherited from interface oracle.toplink.changesets.ChangeRecord
`getAttribute, getOwner`

Method Detail

### getAddObjectList

    public IdentityHashtable getAddObjectList()

  ADVANCED: This method returns the IdentityHashtable that contains the added values to the collection and their corresponding ChangeSets.
  Returns:
    java.util.Vector

### getRemoveObjectList

    public IdentityHashtable getRemoveObjectList()

  ADVANCED: This method returns the IdentityHashtable that contains the removed values from the collection and their corresponding ChangeSets.
  Returns:
    java.util.Vector

### hasChanges

    public boolean hasChanges()

  ADVANCED: This method returns true if the change set has changes
  Returns:
    boolean

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