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#ifndef QPID_CLUSTER_CLUSTERQUEUEHANDLER_H
#define QPID_CLUSTER_CLUSTERQUEUEHANDLER_H
/*
*
* 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.
*
*/
#include "Cluster.h"
#include "qpid/sys/PollableQueue.h"
#include <qpid/log/Statement.h>
namespace qpid {
namespace cluster {
/** Convenience functor for PollableQueue callbacks. */
template <class T> struct ClusterQueueHandler {
ClusterQueueHandler(Cluster& c, boost::function<void (const T&)> f, const std::string& n) : cluster(c), callback(f), name(n) {}
ClusterQueueHandler(const Cluster* c, boost::function<void (const T&)> f, const std::string& n) : cluster(*const_cast<Cluster*>(c)), callback(f), name(n) {}
void operator()(typename sys::PollableQueue<T>::Queue& values) {
try {
std::for_each(values.begin(), values.end(), callback);
values.clear();
}
catch (const std::exception& e) {
QPID_LOG(error, "Error on " << name << ": " << e.what());
cluster.leave();
}
}
Cluster& cluster;
boost::function<void (const T&)> callback;
std::string name;
};
}} // namespace qpid::cluster
#endif /*!QPID_CLUSTER_CLUSTERQUEUEHANDLER_H*/
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