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

Package org.datanucleus.store.rdbms.request

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

org.datanucleus.store.rdbms.request.Request
Base class representing a request to perform an action on the datastore. All requests have 2 methods - constructor and execute. They build an SQL statement, and execute it.

     * @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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                {
                    storeMgr.getRuntimeManager().incrementFetchCount();
                }


                DatastoreClass table = storeMgr.getDatastoreClass(op.getClassMetaData().getFullClassName(), clr);
                Request req = getFetchRequest(table, mmds, op.getClassMetaData(), clr);
                req.execute(op);
            }
        }
    }

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    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);
            requestsByID.put(reqID, req);
        }

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     */
    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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     * @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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     * @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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Related Classes of org.datanucleus.store.rdbms.request.Request

org.datanucleus.store.rdbms.RDBMSPersistenceHandler

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