Examples of org.datanucleus.store.rdbms.request.RequestIdentifier

Package org.datanucleus.store.rdbms.request

Examples of org.datanucleus.store.rdbms.request.RequestIdentifier

org.datanucleus.store.rdbms.request.RequestIdentifier
Representation of a request id.

     * @param clr ClassLoader resolver
     * @return An insertion request object.
     */
    private Request getInsertRequest(DatastoreClass table, AbstractClassMetaData cmd, ClassLoaderResolver clr)
    {
        RequestIdentifier reqID = new RequestIdentifier(table, null, RequestType.INSERT, cmd.getFullClassName());
        Request req = requestsByID.get(reqID);
        if (req == null)
        {
            req = new InsertRequest(table, cmd, clr);
            requestsByID.put(reqID, req);

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     * @return A fetch request object.
     */
    private Request getFetchRequest(DatastoreClass table, AbstractMemberMetaData[] mmds, AbstractClassMetaData cmd, 
            ClassLoaderResolver clr)
    {
        RequestIdentifier reqID = new RequestIdentifier(table, mmds, RequestType.FETCH, 
            cmd.getFullClassName());
        Request req = requestsByID.get(reqID);
        if (req == null)
        {
            req = new FetchRequest(table, mmds, cmd, clr);

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     * @return An update request object.
     */
    private Request getUpdateRequest(DatastoreClass table, AbstractMemberMetaData[] mmds, AbstractClassMetaData cmd, 
            ClassLoaderResolver clr)
    {
        RequestIdentifier reqID = new RequestIdentifier(table, mmds, RequestType.UPDATE, cmd.getFullClassName());
        Request req = requestsByID.get(reqID);
        if (req == null)
        {
            req = new UpdateRequest(table, mmds, cmd, clr);
            requestsByID.put(reqID, req);

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     * @param clr ClassLoader resolver
     * @return A deletion request object.
     */
    private Request getDeleteRequest(DatastoreClass table, AbstractClassMetaData acmd, ClassLoaderResolver clr)
    {
        RequestIdentifier reqID = new RequestIdentifier(table, null, RequestType.DELETE, acmd.getFullClassName());
        Request req = requestsByID.get(reqID);
        if (req == null)
        {
            req = new DeleteRequest(table, acmd, clr);
            requestsByID.put(reqID, req);

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     * @param className the class name of the object of the request
     * @return A locate request object.
     */
    private Request getLocateRequest(DatastoreClass table, String className)
    {
        RequestIdentifier reqID = new RequestIdentifier(table, null, RequestType.LOCATE, className);
        Request req = requestsByID.get(reqID);
        if (req == null)
        {
            req = new LocateRequest(table);
            requestsByID.put(reqID, req);

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            // Synchronise on the "requestsById" set since while it is "synchronised itself, all iterators needs this sync
            Set keySet = new HashSet(requestsByID.keySet());
            Iterator<RequestIdentifier> keyIter = keySet.iterator();
            while (keyIter.hasNext())
            {
                RequestIdentifier reqId = keyIter.next();
                if (reqId.getTable() == table)
                {
                    requestsByID.remove(reqId);
                }
            }
        }

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Related Classes of org.datanucleus.store.rdbms.request.RequestIdentifier

org.datanucleus.store.rdbms.RDBMSPersistenceHandler

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