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

Package oracle.toplink.essentials.internal.helper

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

oracle.toplink.essentials.internal.helper.IdentityHashtable
IdentityHashtable entry.

            // This improves concurrency, avoids deadlock and in the case of three-tier will
            // not leave invalid cached sequences on rollback.
            // Also must first set the commit manager active.
            getCommitManager().setIsActive(true);
            //Set empty collection in allClones for merge.
            setAllClonesCollection(new IdentityHashtable());
            // Iterate over each clone and let the object build merge to clones into the originals.
            setUnitOfWorkChangeSet(uowChangeSet);
            commitToDatabase(commitTransaction);


        } catch (RuntimeException exception) {

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     * These are required so that the nested unit of work does not add them to the parent
     * clone mapping on commit, causing possible incorrect insertions if they are dereferenced.
     */
    protected void discoverAllUnregisteredNewObjects() {
        // 2612538 - the default size of IdentityHashtable (32) is appropriate
        IdentityHashtable visitedNodes = new IdentityHashtable();
        IdentityHashtable newObjects = new IdentityHashtable();
        IdentityHashtable existingObjects = new IdentityHashtable();


        discoverUnregisteredNewObjects(newObjects, existingObjects, visitedNodes);
        
        setUnregisteredNewObjects(newObjects);
        setUnregisteredExistingObjects(existingObjects);

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     * This is a Computationaly intensive operation and should be avoided unless necessary.
     * A valid changeSet, with sequencenumbers can be collected from the UnitOfWork After the commit
     * is complete by calling unitOfWork.getUnitOfWorkChangeSet()
     */
    public oracle.toplink.essentials.changesets.UnitOfWorkChangeSet getCurrentChanges() {
        IdentityHashtable allObjects = null;
        allObjects = collectAndPrepareObjectsForNestedMerge();
        return calculateChanges(allObjects, new UnitOfWorkChangeSet());
    }

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

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     */
    public IdentityHashtable getCloneToOriginals() {
        //Helper.toDo("proper fix, collection merge can have objects disapear for original.");
        if (cloneToOriginals == null) {// Must lazy initialize for remote.
            // 2612538 - the default size of IdentityHashtable (32) is appropriate
            cloneToOriginals = new IdentityHashtable();
        }
        return cloneToOriginals;
    }

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     * 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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