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oracle.toplink.changesets
Interface ObjectChangeSet

public interface ObjectChangeSet

Purpose: Provides API to the Class that holds all changes made to a particular Object.

Description: The ObjectChangeSet class represents a single Object registered in the UnitOfWork. It is owned by the larger UnitOfWorkChangeSet.

Method Summary

boolean	equals(ObjectChangeSet objectChange)
java.util.Vector	getChangedAttributeNames() ADVANCED: This method will return a collection of the fieldnames of attributes changed in an object.
java.util.Vector	getChanges() ADVANCED: This method returns a reference to the collection of changes within this changeSet.
ChangeRecord	getChangesForAttributeNamed(java.lang.String attributeName) ADVANCED: Returns the change record for the specified attribute name.
java.lang.String	getClassName() ADVANCE: This method returns the class Name that this changeSet Represents.
java.lang.Class	getClassType(Session session) ADVANCE: This method returns the class type that this changeSet Represents.
java.lang.Object	getNewKey() ADVANCED: This method returns the key value that this object will be stored under in it's respective Map.
java.lang.Object	getOldKey() ADVANCED: This method returns the key value that this object was stored under in it's respective Map.
java.util.Vector	getPrimaryKeys() ADVANCED: This method returns the primary keys for the object that this change set represents.
UnitOfWorkChangeSet	getUOWChangeSet() ADVANCED: This method is used to return the parent ChangeSet.
java.lang.Object	getWriteLockValue() ADVANCED: This method is used to return the lock value of the object this changeSet represents.
boolean	hasChangeFor(java.lang.String attributeName) ADVANCED: This method will return true if the specified attributue has been changed..
boolean	hasChanges() ADVANCED: Returns true if this particular changeSet has changes.
boolean	isNew() ADVANCED: Returns true if this ObjectChangeSet represents a new object.

Method Detail

equals

public boolean equals(ObjectChangeSet objectChange)

getChangedAttributeNames

public java.util.Vector getChangedAttributeNames()

ADVANCED: This method will return a collection of the fieldnames of attributes changed in an object.

getChanges

public java.util.Vector getChanges()

ADVANCED: This method returns a reference to the collection of changes within this changeSet.

getClassType

public java.lang.Class getClassType(Session session)

ADVANCE: This method returns the class type that this changeSet Represents.

getClassName

public java.lang.String getClassName()

ADVANCE: This method returns the class Name that this changeSet Represents.

getOldKey

public java.lang.Object getOldKey()

ADVANCED: This method returns the key value that this object was stored under in it's respective Map. This is old relevant for collection mappings that use a Map.

getNewKey

public java.lang.Object getNewKey()

ADVANCED: This method returns the key value that this object will be stored under in it's respective Map. This is old relevant for collection mappings that use a Map.

getPrimaryKeys

public java.util.Vector getPrimaryKeys()

ADVANCED: This method returns the primary keys for the object that this change set represents.

getUOWChangeSet

public UnitOfWorkChangeSet getUOWChangeSet()

ADVANCED: This method is used to return the parent ChangeSet.

getWriteLockValue

public java.lang.Object getWriteLockValue()

ADVANCED: This method is used to return the lock value of the object this changeSet represents.

getChangesForAttributeNamed

public ChangeRecord getChangesForAttributeNamed(java.lang.String attributeName)

ADVANCED: Returns the change record for the specified attribute name.

hasChangeFor

public boolean hasChangeFor(java.lang.String attributeName)

ADVANCED: This method will return true if the specified attributue has been changed..

hasChanges

public boolean hasChanges()

ADVANCED: Returns true if this particular changeSet has changes.

isNew

public boolean isNew()

ADVANCED: Returns true if this ObjectChangeSet represents a new object.

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