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authorRajith Muditha Attapattu <rajith@apache.org>2011-05-27 15:44:23 +0000
committerRajith Muditha Attapattu <rajith@apache.org>2011-05-27 15:44:23 +0000
commit66765100f4257159622cefe57bed50125a5ad017 (patch)
treea88ee23bb194eb91f0ebb2d9b23ff423e3ea8e37 /cpp/src/qpid/cluster/InitialStatusMap.h
parent1aeaa7b16e5ce54f10c901d75c4d40f9f88b9db6 (diff)
parent88b98b2f4152ef59a671fad55a0d08338b6b78ca (diff)
downloadqpid-python-rajith_jms_client.tar.gz
Creating a branch for experimenting with some ideas for JMS client.rajith_jms_client
git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rajith_jms_client@1128369 13f79535-47bb-0310-9956-ffa450edef68
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diff --git a/cpp/src/qpid/cluster/InitialStatusMap.h b/cpp/src/qpid/cluster/InitialStatusMap.h
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@@ -1,91 +0,0 @@
-#ifndef QPID_CLUSTER_INITIALSTATUSMAP_H
-#define QPID_CLUSTER_INITIALSTATUSMAP_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 "MemberSet.h"
-#include <qpid/framing/ClusterInitialStatusBody.h>
-#include <boost/optional.hpp>
-
-namespace qpid {
-namespace cluster {
-
-/**
- * Track status of cluster members during initialization.
- *
- * When a new member joins the CPG cluster, all members send an initial-status
- * control. This map tracks those controls and provides data to make descisions
- * about joining the cluster.
- *
- */
-class InitialStatusMap
-{
- public:
- typedef framing::ClusterInitialStatusBody Status;
-
- InitialStatusMap(const MemberId& self, size_t size);
- /** Process a config change. May make isResendNeeded() true. */
- void configChange(const MemberSet& newConfig);
- /** @return true if we need to re-send status */
- bool isResendNeeded();
-
- /** Process received status */
- void received(const MemberId&, const Status& is);
-
- /**@return true if the map has an entry for all current cluster members. */
- bool isComplete() const;
-
- size_t getActualSize() const { return map.size(); }
- size_t getRequiredSize() const { return size; }
-
- /**@return true if the map was completed by the last config change or received. */
- bool transitionToComplete();
- /**@pre isComplete(). @return this node's elders */
- MemberSet getElders() const;
- /**@pre isComplete(). @return True if there are active members of the cluster. */
- bool isActive();
- /**@pre isComplete(). @return True if we need to request an update. */
- bool isUpdateNeeded();
- /**@pre isComplete(). @return Cluster-wide cluster ID. */
- framing::Uuid getClusterId();
- /**@pre isComplete(). @throw Exception if there are any inconsistencies. */
- void checkConsistent();
-
- /** Get first config-change for this member, encoded as a string.
- *@pre configChange has been called at least once.
- */
- std::string getFirstConfigStr() const;
- private:
- typedef std::map<MemberId, boost::optional<Status> > Map;
- static bool notInitialized(const Map::value_type&);
- static bool isActiveEntry(const Map::value_type&);
- static bool hasStore(const Map::value_type&);
-
- Map map;
- MemberSet firstConfig;
- MemberId self;
- bool completed, resendNeeded;
- size_t size;
-};
-}} // namespace qpid::cluster
-
-#endif /*!QPID_CLUSTER_INITIALSTATUSMAP_H*/