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| 30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| BullyElectionStrategy.java | 0% | 0% | 0% | 0% |
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/**
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*
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* Copyright 2004 Protique Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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**/
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package org.activecluster.election.impl;
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import org.activecluster.Cluster;
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import org.activecluster.Node;
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import org.activecluster.election.ElectionStrategy;
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import javax.jms.JMSException;
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import java.util.Iterator;
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import java.util.Map;
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/**
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* <p><code>BullyElectionStrategy</code> Use a simple bully algorithm to elect a coordinator.
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* the member with the lowest lexicographical name is choosen</p>
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*
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* @version $Revision: 1.1 $
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*/
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public class BullyElectionStrategy implements ElectionStrategy { |
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/**
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* Elect a coordinator.
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*
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* @param cluster
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* @return the elected Node
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* @throws JMSException
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*/
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public Node doElection(Cluster cluster) throws JMSException { |
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Node elect = cluster.getLocalNode(); |
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Map nodes = cluster.getNodes(); |
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for (Iterator i = nodes.values().iterator(); i.hasNext();) {
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Node node = (Node) i.next(); |
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if (elect.getName().compareTo(node.getName()) < 0) {
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elect = node; |
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} |
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} |
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return elect;
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} |
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} |
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