Package org.eclipse.persistence.sessions.changesets

Interface ObjectChangeSet

  • All Known Implementing Classes:
    AggregateObjectChangeSet, 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 Detail

      • getChangedAttributeNames

        List<String> getChangedAttributeNames()
        ADVANCED: This method will return a collection of the names of attributes changed in an object.

      • getChanges

        List<ChangeRecord> getChanges()
        ADVANCED: This method returns a reference to the collection of changes within this changeSet.

      • getClassType

        Class getClassType​(Session session)
        ADVANCE: This method returns the class type that this changeSet Represents.

      • getClassName

        String getClassName()
        ADVANCE: This method returns the class Name that this changeSet Represents.

      • getOldKey

        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

        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.

      • getId

        Object getId()
        ADVANCED: This method returns the primary key for the object that this change set represents.

      • getUOWChangeSet

        UnitOfWorkChangeSet getUOWChangeSet()
        ADVANCED: This method is used to return the parent ChangeSet.

      • getWriteLockValue

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

      • getChangesForAttributeNamed

        ChangeRecord getChangesForAttributeNamed​(String attributeName)
        ADVANCED: Returns the change record for the specified attribute name.

      • hasChangeFor

        boolean hasChangeFor​(String attributeName)
        ADVANCED: This method will return true if the specified attribute has been changed.
        Parameters:
        attributeName - the name of the attribute to search for.

      • hasChanges

        boolean hasChanges()
        ADVANCED: Returns true if this particular changeSet has changes.

      • isNew

        boolean isNew()
        ADVANCED: Returns true if this ObjectChangeSet represents a new object.

      • shouldRecalculateAfterUpdateEvent

        boolean shouldRecalculateAfterUpdateEvent()
        ADVANCED Returns true if this ObjectChangeSet should be recalculated after changes in event
        Returns:

      • setShouldRecalculateAfterUpdateEvent

        void setShouldRecalculateAfterUpdateEvent​(boolean shouldRecalculateAfterUpdateEvent)
        ADVANCED Set whether this ObjectChangeSet should be recalculated after changes in event