Examples of oracle.toplink.essentials.internal.helper.IdentityHashtable

Package oracle.toplink.essentials.internal.helper

Examples of oracle.toplink.essentials.internal.helper.IdentityHashtable

oracle.toplink.essentials.internal.helper.IdentityHashtable

     * On commit they will all be removed from the database.
     */
    public IdentityHashtable getDeletedObjects() {
        if (deletedObjects == null) {
            // 2612538 - the default size of IdentityHashtable (32) is appropriate
            deletedObjects = new IdentityHashtable();
        }
        return deletedObjects;
    }

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     * The hashtable stores any new aggregates that have been cloned.
     */
    public IdentityHashtable getNewAggregates() {
        if (this.newAggregates == null) {
            // 2612538 - the default size of IdentityHashtable (32) is appropriate
            this.newAggregates = new IdentityHashtable();
        }
        return newAggregates;
    }

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     * On commit they will all be inserted into the database.
     */
    public synchronized IdentityHashtable getNewObjectsCloneToOriginal() {
        if (newObjectsCloneToOriginal == null) {
            // 2612538 - the default size of IdentityHashtable (32) is appropriate
            newObjectsCloneToOriginal = new IdentityHashtable();
        }
        return newObjectsCloneToOriginal;
    }

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     * On commit they will all be inserted into the database.
     */
    public synchronized IdentityHashtable getNewObjectsOriginalToClone() {
        if (newObjectsOriginalToClone == null) {
            // 2612538 - the default size of IdentityHashtable (32) is appropriate
            newObjectsOriginalToClone = new IdentityHashtable();
        }
        return newObjectsOriginalToClone;
    }

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     */
    public IdentityHashtable getObjectsDeletedDuringCommit() {
        // PERF: lazy-init (3286089)
        if (objectsDeletedDuringCommit == null) {
            // 2612538 - the default size of IdentityHashtable (32) is appropriate
            objectsDeletedDuringCommit = new IdentityHashtable();
        }
        return objectsDeletedDuringCommit;
    }

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     */
    protected IdentityHashtable getRemovedObjects() {
        // PERF: lazy-init (3286089)
        if (removedObjects == null) {
            // 2612538 - the default size of IdentityHashtable (32) is appropriate
            removedObjects = new IdentityHashtable();
        }
        return removedObjects;
    }

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     * @return oracle.toplink.essentials.internal.helper.IdentityHashtable
     */
    public oracle.toplink.essentials.internal.helper.IdentityHashtable getUnregisteredExistingObjects() {
        if (this.unregisteredExistingObjects == null) {
            // 2612538 - the default size of IdentityHashtable (32) is appropriate
            this.unregisteredExistingObjects = new IdentityHashtable();
        }
        return unregisteredExistingObjects;
    }

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     * unit of work knows not to register them on commit.
     */
    protected IdentityHashtable getUnregisteredNewObjects() {
        if (unregisteredNewObjects == null) {
            // 2612538 - the default size of IdentityHashtable (32) is appropriate
            unregisteredNewObjects = new IdentityHashtable();
        }
        return unregisteredNewObjects;
    }

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     */
    public boolean hasChanges() {
        if (hasNewObjects()) {
            return true;
        }
        IdentityHashtable allObjects = collectAndPrepareObjectsForNestedMerge();


        //Using the nested merge prevent the UnitOfWork from assigning sequence numbers
        if (!getUnregisteredNewObjects().isEmpty()) {
            return true;
        }

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                }


                if (isNestedUnitOfWork()) {
                    changeSetLists = ((UnitOfWorkChangeSet)getUnitOfWorkChangeSet()).getNewObjectChangeSets().elements();
                    while (changeSetLists.hasMoreElements()) {
                        IdentityHashtable objectChangesList = (IdentityHashtable)((IdentityHashtable)changeSetLists.nextElement()).clone();
                        if (objectChangesList != null) {// may be no changes for that class type.
                            for (Enumeration pendingEnum = objectChangesList.elements();
                                     pendingEnum.hasMoreElements();) {
                                ObjectChangeSet changeSetToWrite = (ObjectChangeSet)pendingEnum.nextElement();
                                if (changeSetToWrite.hasChanges()) {
                                    Object objectToWrite = changeSetToWrite.getUnitOfWorkClone();
                                    manager.mergeChanges(objectToWrite, changeSetToWrite);

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