qpid/client/Future.h Source File

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qpid/client/Future.h
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    00001 /*
    00002  *
    00003  * Licensed to the Apache Software Foundation (ASF) under one
    00004  * or more contributor license agreements.  See the NOTICE file
    00005  * distributed with this work for additional information
    00006  * regarding copyright ownership.  The ASF licenses this file
    00007  * to you under the Apache License, Version 2.0 (the
    00008  * "License"); you may not use this file except in compliance
    00009  * with the License.  You may obtain a copy of the License at
    00010  *
    00011  *   http://www.apache.org/licenses/LICENSE-2.0
    00012  *
    00013  * Unless required by applicable law or agreed to in writing,
    00014  * software distributed under the License is distributed on an
    00015  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    00016  * KIND, either express or implied.  See the License for the
    00017  * specific language governing permissions and limitations
    00018  * under the License.
    00019  *
    00020  */
    00021
    00022 #ifndef _Future_
    00023 #define _Future_
    00024
    00025 #include <boost/bind.hpp>
    00026 #include <boost/shared_ptr.hpp>
    00027 #include "qpid/Exception.h"
    00028 #include "qpid/framing/SequenceNumber.h"
    00029 #include "qpid/client/FutureCompletion.h"
    00030 #include "qpid/client/FutureResult.h"
    00031 #include "qpid/client/ClientImportExport.h"
    00032
    00033 namespace qpid {
    00034 namespace client {
    00035
    00037 class QPID_CLIENT_CLASS_EXTERN Future
    00038 {
    00039     framing::SequenceNumber command;
    00040     boost::shared_ptr<FutureResult> result;
    00041     bool complete;
    00042
    00043 public:
    00044     Future() : complete(false) {}
    00045     Future(const framing::SequenceNumber& id) : command(id), complete(false) {}
    00046
    00047     std::string getResult(SessionImpl& session) {
    00048         if (result) return result->getResult(session);
    00049         else throw Exception("Result not expected");
    00050     }
    00051
    00052     QPID_CLIENT_EXTERN void wait(SessionImpl& session);
    00053     QPID_CLIENT_EXTERN bool isComplete(SessionImpl& session);
    00054     QPID_CLIENT_EXTERN void setFutureResult(boost::shared_ptr<FutureResult> r);
    00055 };
    00056
    00057 }}
    00058
    00059 #endif