Example usage for org.apache.zookeeper.server.quorum QuorumPeer QuorumPeer

Introduction

In this page you can find the example usage for org.apache.zookeeper.server.quorum QuorumPeer QuorumPeer.

Prototype

public QuorumPeer(Map<Long, QuorumServer> quorumPeers, File snapDir, File logDir, int clientPort,
        int electionAlg, long myid, int tickTime, int initLimit, int syncLimit, int connectToLearnerMasterLimit)
        throws IOException 

Source Link

Document

This constructor is only used by the existing unit test code.

Usage

From source file:org.eclipse.ecf.provider.zookeeper.core.ZooDiscoveryContainer.java

License:Open Source License

/**
 * Start a local ZooKeeer server to write nodes to. It plays as a peer
 * within a replicated servers configuration. Implied by
 * {@link IDiscoveryConfig#ZOODISCOVERY_FLAVOR_REPLICATED} configuration.
 * /* w w w.j ava  2 s .c om*/
 * @param conf
 */
void startQuorumPeer(final Configuration conf) {
    if (this.quorumPeer != null && this.quorumPeer.isAlive()) {
        return;
    } else if (this.quorumPeer != null && !this.quorumPeer.isAlive()) {
        this.quorumPeer.start();
        return;
    }
    try {
        final QuorumPeerConfig quorumPeerConfig = new QuorumPeerConfig();
        quorumPeerConfig.parse(conf.getConfFile());
        QuorumPeer.Factory qpFactory = new QuorumPeer.Factory() {
            public QuorumPeer create(NIOServerCnxn.Factory cnxnFactory) throws IOException {
                ServerConfig serverConfig = new ServerConfig();
                serverConfig.readFrom(quorumPeerConfig);
                QuorumPeer peer = new QuorumPeer(quorumPeerConfig.getServers(),
                        new File(serverConfig.getDataDir()), new File(serverConfig.getDataLogDir()),
                        quorumPeerConfig.getElectionAlg(), quorumPeerConfig.getServerId(),
                        quorumPeerConfig.getTickTime(), quorumPeerConfig.getInitLimit(),
                        quorumPeerConfig.getSyncLimit(), cnxnFactory, quorumPeerConfig.getQuorumVerifier());
                ZooDiscoveryContainer.this.quorumPeer = peer;
                return peer;
            }

            public NIOServerCnxn.Factory createConnectionFactory() throws IOException {
                return new NIOServerCnxn.Factory(quorumPeerConfig.getClientPortAddress());
            }
        };
        quorumPeer = qpFactory.create(qpFactory.createConnectionFactory());
        quorumPeer.start();
        quorumPeer.setDaemon(true);
        isQuorumPeerReady = true;
    } catch (Exception e) {
        Logger.log(LogService.LOG_ERROR, "Zookeeper quorum cannot be started! ", e); //$NON-NLS-1$
        isQuorumPeerReady = false;
    }
}

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