qpid/client/TypedResult.h Source File

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qpid/client/TypedResult.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 _TypedResult_
    00023 #define _TypedResult_
    00024
    00025 #include "qpid/client/Completion.h"
    00026 #include "qpid/framing/StructHelper.h"
    00027
    00028 namespace qpid {
    00029 namespace client {
    00030
    00036 template <class T> class TypedResult : public Completion
    00037 {
    00038     T result;
    00039     bool decoded;
    00040
    00041 public:
    00043     TypedResult(const Completion& c) : Completion(c), decoded(false) {}
    00044
    00053     T& get() {
    00054         if (!decoded) {
    00055             framing::StructHelper helper;
    00056             helper.decode(result, getResult());
    00057             decoded = true;
    00058         }
    00059         return result;
    00060     }
    00061 };
    00062
    00063 }}
    00064
    00065 #endif