EclipseLink 2.2.0, build 'v20110202-r8913' API Reference

org.eclipse.persistence.mappings.structures
Class ArrayCollectionMappingHelper

java.lang.Object
  extended by org.eclipse.persistence.mappings.structures.ArrayCollectionMappingHelper

public class ArrayCollectionMappingHelper
extends java.lang.Object

Helper class to consolidate all the heinous comparing and merging code for the Array collection mappings.

See Also:
ArrayCollectionMapping

Constructor Summary
ArrayCollectionMappingHelper(ArrayCollectionMapping mapping)
          Constructor.
 
Method Summary
protected  boolean compareElements(java.lang.Object element1, java.lang.Object element2, org.eclipse.persistence.internal.sessions.AbstractSession session)
          Convenience method.
protected  boolean compareElementsForChange(java.lang.Object element1, java.lang.Object element2, org.eclipse.persistence.internal.sessions.AbstractSession session)
          Convenience method.
 org.eclipse.persistence.internal.sessions.ChangeRecord compareForChange(java.lang.Object clone, java.lang.Object backup, org.eclipse.persistence.internal.sessions.ObjectChangeSet owner, org.eclipse.persistence.internal.sessions.AbstractSession session)
          INTERNAL: Build and return the change record that results from comparing the two collection attributes.
 boolean compareObjects(java.lang.Object object1, java.lang.Object object2, org.eclipse.persistence.internal.sessions.AbstractSession session)
          INTERNAL: Compare the attributes belonging to this mapping for the objects.
 DatabaseMapping getDatabaseMapping()
          INTERNAL: Return the mapping, casted a bit more generally.
 ArrayCollectionMapping getMapping()
          INTERNAL: Return the mapping.
 void mergeChangesIntoObject(java.lang.Object target, org.eclipse.persistence.internal.sessions.ChangeRecord changeRecord, java.lang.Object source, org.eclipse.persistence.internal.sessions.MergeManager mergeManager, org.eclipse.persistence.internal.sessions.AbstractSession targetSession)
          INTERNAL: Merge changes from the source to the target object.
 void mergeIntoObject(java.lang.Object target, boolean isTargetUnInitialized, java.lang.Object source, org.eclipse.persistence.internal.sessions.MergeManager mergeManager, org.eclipse.persistence.internal.sessions.AbstractSession targetSession)
          INTERNAL: Merge changes from the source to the target object.
 void simpleAddToCollectionChangeRecord(java.lang.Object referenceKey, java.lang.Object changeSetToAdd, org.eclipse.persistence.internal.sessions.ObjectChangeSet changeSet, org.eclipse.persistence.internal.sessions.AbstractSession session)
          ADVANCED: This method is used to add an object to a collection once the changeSet is applied.
 void simpleRemoveFromCollectionChangeRecord(java.lang.Object referenceKey, java.lang.Object changeSetToRemove, org.eclipse.persistence.internal.sessions.ObjectChangeSet changeSet, org.eclipse.persistence.internal.sessions.AbstractSession session)
          ADVANCED: This method is used to remove an object from a collection once the changeSet is applied.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ArrayCollectionMappingHelper

public ArrayCollectionMappingHelper(ArrayCollectionMapping mapping)
Constructor.

Method Detail

compareElements

protected boolean compareElements(java.lang.Object element1,
                                  java.lang.Object element2,
                                  org.eclipse.persistence.internal.sessions.AbstractSession session)
Convenience method. Check for null values before delegating to the mapping.


compareElementsForChange

protected boolean compareElementsForChange(java.lang.Object element1,
                                           java.lang.Object element2,
                                           org.eclipse.persistence.internal.sessions.AbstractSession session)
Convenience method. Check for null values before delegating to the mapping.


getMapping

public ArrayCollectionMapping getMapping()
INTERNAL: Return the mapping.


compareForChange

public org.eclipse.persistence.internal.sessions.ChangeRecord compareForChange(java.lang.Object clone,
                                                                               java.lang.Object backup,
                                                                               org.eclipse.persistence.internal.sessions.ObjectChangeSet owner,
                                                                               org.eclipse.persistence.internal.sessions.AbstractSession session)
INTERNAL: Build and return the change record that results from comparing the two collection attributes.


compareObjects

public boolean compareObjects(java.lang.Object object1,
                              java.lang.Object object2,
                              org.eclipse.persistence.internal.sessions.AbstractSession session)
INTERNAL: Compare the attributes belonging to this mapping for the objects.


mergeChangesIntoObject

public void mergeChangesIntoObject(java.lang.Object target,
                                   org.eclipse.persistence.internal.sessions.ChangeRecord changeRecord,
                                   java.lang.Object source,
                                   org.eclipse.persistence.internal.sessions.MergeManager mergeManager,
                                   org.eclipse.persistence.internal.sessions.AbstractSession targetSession)
INTERNAL: Merge changes from the source to the target object.


mergeIntoObject

public void mergeIntoObject(java.lang.Object target,
                            boolean isTargetUnInitialized,
                            java.lang.Object source,
                            org.eclipse.persistence.internal.sessions.MergeManager mergeManager,
                            org.eclipse.persistence.internal.sessions.AbstractSession targetSession)
INTERNAL: Merge changes from the source to the target object. Simply replace the entire target collection.


simpleAddToCollectionChangeRecord

public void simpleAddToCollectionChangeRecord(java.lang.Object referenceKey,
                                              java.lang.Object changeSetToAdd,
                                              org.eclipse.persistence.internal.sessions.ObjectChangeSet changeSet,
                                              org.eclipse.persistence.internal.sessions.AbstractSession session)
ADVANCED: This method is used to add an object to a collection once the changeSet is applied. The referenceKey parameter should only be used for direct Maps.


simpleRemoveFromCollectionChangeRecord

public void simpleRemoveFromCollectionChangeRecord(java.lang.Object referenceKey,
                                                   java.lang.Object changeSetToRemove,
                                                   org.eclipse.persistence.internal.sessions.ObjectChangeSet changeSet,
                                                   org.eclipse.persistence.internal.sessions.AbstractSession session)
ADVANCED: This method is used to remove an object from a collection once the changeSet is applied. The referenceKey parameter should only be used for direct Maps.


getDatabaseMapping

public DatabaseMapping getDatabaseMapping()
INTERNAL: Return the mapping, casted a bit more generally.


EclipseLink 2.2.0, build 'v20110202-r8913' API Reference