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+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+#ifndef _Future_
+#define _Future_
+
+#include <boost/bind.hpp>
+#include <boost/shared_ptr.hpp>
+#include "qpid/Exception.h"
+#include "qpid/framing/SequenceNumber.h"
+#include "qpid/framing/StructHelper.h"
+#include "FutureCompletion.h"
+#include "FutureResponse.h"
+#include "FutureResult.h"
+#include "SessionCore.h"
+
+namespace qpid {
+namespace client {
+
+class Future : private framing::StructHelper
+{
+ framing::SequenceNumber command;
+ boost::shared_ptr<FutureResponse> response;
+ boost::shared_ptr<FutureResult> result;
+ bool complete;
+
+public:
+ Future() : complete(false) {}
+ Future(const framing::SequenceNumber& id) : command(id), complete(false) {}
+
+ void sync(SessionCore& session)
+ {
+ if (!complete) {
+ FutureCompletion callback;
+ session.getExecution().flushTo(command);
+ session.getExecution().getCompletionTracker().listenForCompletion(
+ command,
+ boost::bind(&FutureCompletion::completed, &callback)
+ );
+ callback.waitForCompletion();
+ session.checkClosed();
+ complete = true;
+ }
+ }
+
+ framing::AMQMethodBody* getResponse(SessionCore& session)
+ {
+ if (response) {
+ session.getExecution().getCompletionTracker().listenForCompletion(
+ command,
+ boost::bind(&FutureResponse::completed, response)
+ );
+ return response->getResponse(session);
+ } else {
+ throw Exception("Response not expected");
+ }
+ }
+
+ template <class T> void decodeResult(T& value, SessionCore& session)
+ {
+ if (result) {
+ decode(value, result->getResult(session));
+ } else {
+ throw Exception("Result not expected");
+ }
+ }
+
+ bool isComplete() {
+ return complete;
+ }
+
+ void setCommandId(const framing::SequenceNumber& id) { command = id; }
+ void setFutureResponse(boost::shared_ptr<FutureResponse> r) { response = r; }
+ void setFutureResult(boost::shared_ptr<FutureResult> r) { result = r; }
+};
+
+}}
+
+#endif