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Java Leader类代码示例

本文整理汇总了Java中org.apache.zookeeper.server.quorum.Leader类的典型用法代码示例。如果您正苦于以下问题：Java Leader类的具体用法？Java Leader怎么用？Java Leader使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。


Leader类属于org.apache.zookeeper.server.quorum包，在下文中一共展示了Leader类的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: addCommittedProposal

import org.apache.zookeeper.server.quorum.Leader; //导入依赖的package包/类
/**
 * maintains a list of last <i>committedLog</i>
 *  or so committed requests. This is used for
 * fast follower synchronization.
 * @param request committed request
 */
public void addCommittedProposal(Request request) {
    WriteLock wl = logLock.writeLock();
    try {
        wl.lock();
        if (committedLog.size() > commitLogCount) {
            committedLog.removeFirst();
            minCommittedLog = committedLog.getFirst().packet.getZxid();
        }
        if (committedLog.size() == 0) {
            minCommittedLog = request.zxid;
            maxCommittedLog = request.zxid;
        }

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        BinaryOutputArchive boa = BinaryOutputArchive.getArchive(baos);
        try {
            request.hdr.serialize(boa, "hdr");
            if (request.txn != null) {
                request.txn.serialize(boa, "txn");
            }
            baos.close();
        } catch (IOException e) {
            LOG.error("This really should be impossible", e);
        }
        QuorumPacket pp = new QuorumPacket(Leader.PROPOSAL, request.zxid,
                baos.toByteArray(), null);
        Proposal p = new Proposal();
        p.packet = pp;
        p.request = request;
        committedLog.add(p);
        maxCommittedLog = p.packet.getZxid();
    } finally {
        wl.unlock();
    }
}
开发者ID:maoling，项目名称:fuck_zookeeper，代码行数:42，代码来源:ZKDatabase.java

示例2: next

import org.apache.zookeeper.server.quorum.Leader; //导入依赖的package包/类
/**
 * Proposal returned by this iterator has request part set to null, since
 * it is not used for follower sync-up.
 */
@Override
public Proposal next() {

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    BinaryOutputArchive boa = BinaryOutputArchive.getArchive(baos);
    Proposal p = new Proposal();
    try {
        TxnHeader hdr = itr.getHeader();
        Record txn = itr.getTxn();
        hdr.serialize(boa, "hdr");
        if (txn != null) {
            txn.serialize(boa, "txn");
        }
        baos.close();

        QuorumPacket pp = new QuorumPacket(Leader.PROPOSAL, itr.getHeader()
                .getZxid(), baos.toByteArray(), null);
        p.packet = pp;
        p.request = null;

        // This is the only place that can throw IO exception
        hasNext = itr.next();

    } catch (IOException e) {
        LOG.error("Unable to read txnlog from disk", e);
        hasNext = false;
    }

    return p;
}
开发者ID:didichuxing2，项目名称:https-github.com-apache-zookeeper，代码行数:35，代码来源:TxnLogProposalIterator.java

示例3: addCommittedProposal

import org.apache.zookeeper.server.quorum.Leader; //导入依赖的package包/类
/**
 * maintains a list of last <i>committedLog</i>
 *  or so committed requests. This is used for
 * fast follower synchronization.
 * @param request committed request
 */
public void addCommittedProposal(Request request) {
    WriteLock wl = logLock.writeLock();
    try {
        wl.lock();
        if (committedLog.size() > commitLogCount) {
            committedLog.removeFirst();
            minCommittedLog = committedLog.getFirst().packet.getZxid();
        }
        if (committedLog.isEmpty()) {
            minCommittedLog = request.zxid;
            maxCommittedLog = request.zxid;
        }

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        BinaryOutputArchive boa = BinaryOutputArchive.getArchive(baos);
        try {
            request.getHdr().serialize(boa, "hdr");
            if (request.getTxn() != null) {
                request.getTxn().serialize(boa, "txn");
            }
            baos.close();
        } catch (IOException e) {
            LOG.error("This really should be impossible", e);
        }
        QuorumPacket pp = new QuorumPacket(Leader.PROPOSAL, request.zxid,
                baos.toByteArray(), null);
        Proposal p = new Proposal();
        p.packet = pp;
        p.request = request;
        committedLog.add(p);
        maxCommittedLog = p.packet.getZxid();
    } finally {
        wl.unlock();
    }
}
开发者ID:didichuxing2，项目名称:https-github.com-apache-zookeeper，代码行数:42，代码来源:ZKDatabase.java

示例4: LeaderBean

import org.apache.zookeeper.server.quorum.Leader; //导入依赖的package包/类
public LeaderBean(Leader leader, ZooKeeperServer zks) {
    super(zks);
    this.leader = leader;
}
开发者ID:maoling，项目名称:fuck_zookeeper，代码行数:5，代码来源:LeaderBean.java

示例5: commandRun

import org.apache.zookeeper.server.quorum.Leader; //导入依赖的package包/类
@Override
public void commandRun() {
    if(zkServer == null) {
        pw.println(ZK_NOT_SERVING);
        return;
    }
    ZKDatabase zkdb = zkServer.getZKDatabase();
    ServerStats stats = zkServer.serverStats();

    print("version", Version.getFullVersion());

    print("avg_latency", stats.getAvgLatency());
    print("max_latency", stats.getMaxLatency());
    print("min_latency", stats.getMinLatency());

    print("packets_received", stats.getPacketsReceived());
    print("packets_sent", stats.getPacketsSent());
    print("num_alive_connections", stats.getNumAliveClientConnections());

    print("outstanding_requests", stats.getOutstandingRequests());

    print("server_state", stats.getServerState());
    print("znode_count", zkdb.getNodeCount());

    print("watch_count", zkdb.getDataTree().getWatchCount());
    print("ephemerals_count", zkdb.getDataTree().getEphemeralsCount());
    print("approximate_data_size", zkdb.getDataTree().approximateDataSize());

    OSMXBean osMbean = new OSMXBean();
    if (osMbean != null && osMbean.getUnix() == true) {
        print("open_file_descriptor_count", osMbean.getOpenFileDescriptorCount());
        print("max_file_descriptor_count", osMbean.getMaxFileDescriptorCount());
    }
  
    if(stats.getServerState().equals("leader")) {
        Leader leader = ((LeaderZooKeeperServer)zkServer).getLeader();

        print("followers", leader.getLearners().size());
        print("synced_followers", leader.getForwardingFollowers().size());
        print("pending_syncs", leader.getNumPendingSyncs());
    }
}
开发者ID:maoling，项目名称:fuck_zookeeper，代码行数:43，代码来源:NettyServerCnxn.java

示例6: commandRun

import org.apache.zookeeper.server.quorum.Leader; //导入依赖的package包/类
@Override
public void commandRun() {
    if(zkServer == null) {
        pw.println(ZK_NOT_SERVING);
        return;
    }
    ZKDatabase zkdb = zkServer.getZKDatabase();
    ServerStats stats = zkServer.serverStats();

    print("version", Version.getFullVersion());

    print("avg_latency", stats.getAvgLatency());
    print("max_latency", stats.getMaxLatency());
    print("min_latency", stats.getMinLatency());

    print("packets_received", stats.getPacketsReceived());
    print("packets_sent", stats.getPacketsSent());
    print("num_alive_connections", stats.getNumAliveClientConnections());

    print("outstanding_requests", stats.getOutstandingRequests());

    print("server_state", stats.getServerState());
    print("znode_count", zkdb.getNodeCount());

    print("watch_count", zkdb.getDataTree().getWatchCount());
    print("ephemerals_count", zkdb.getDataTree().getEphemeralsCount());
    print("approximate_data_size", zkdb.getDataTree().approximateDataSize());

    OSMXBean osMbean = new OSMXBean();
    if (osMbean != null && osMbean.getUnix() == true) {
        print("open_file_descriptor_count", osMbean.getOpenFileDescriptorCount());
        print("max_file_descriptor_count", osMbean.getMaxFileDescriptorCount());
    }

    if(stats.getServerState().equals("leader")) {
        Leader leader = ((LeaderZooKeeperServer)zkServer).getLeader();

        print("followers", leader.getLearners().size());
        print("synced_followers", leader.getForwardingFollowers().size());
        print("pending_syncs", leader.getNumPendingSyncs());
    }
}
开发者ID:maoling，项目名称:fuck_zookeeper，代码行数:43，代码来源:NIOServerCnxn.java

示例7: run

import org.apache.zookeeper.server.quorum.Leader; //导入依赖的package包/类
@Override
public CommandResponse run(ZooKeeperServer zkServer, Map<String, String> kwargs) {
    ZKDatabase zkdb = zkServer.getZKDatabase();
    ServerStats stats = zkServer.serverStats();

    CommandResponse response = initializeResponse();

    response.put("version", Version.getFullVersion());

    response.put("avg_latency", stats.getAvgLatency());
    response.put("max_latency", stats.getMaxLatency());
    response.put("min_latency", stats.getMinLatency());

    response.put("packets_received", stats.getPacketsReceived());
    response.put("packets_sent", stats.getPacketsSent());
    response.put("num_alive_connections", stats.getNumAliveClientConnections());

    response.put("outstanding_requests", stats.getOutstandingRequests());

    response.put("server_state", stats.getServerState());
    response.put("znode_count", zkdb.getNodeCount());

    response.put("watch_count", zkdb.getDataTree().getWatchCount());
    response.put("ephemerals_count", zkdb.getDataTree().getEphemeralsCount());
    response.put("approximate_data_size", zkdb.getDataTree().approximateDataSize());

    OSMXBean osMbean = new OSMXBean();
    response.put("open_file_descriptor_count", osMbean.getOpenFileDescriptorCount());
    response.put("max_file_descriptor_count", osMbean.getMaxFileDescriptorCount());

    if (zkServer instanceof LeaderZooKeeperServer) {
        Leader leader = ((LeaderZooKeeperServer) zkServer).getLeader();

        response.put("followers", leader.getLearners().size());
        response.put("synced_followers", leader.getForwardingFollowers().size());
        response.put("pending_syncs", leader.getNumPendingSyncs());
    }

    return response;

}
开发者ID:didichuxing2，项目名称:https-github.com-apache-zookeeper，代码行数:42，代码来源:Commands.java

示例8: commandRun

import org.apache.zookeeper.server.quorum.Leader; //导入依赖的package包/类
@Override
public void commandRun() {
    if (!isZKServerRunning()) {
        pw.println(ZK_NOT_SERVING);
        return;
    }
    ZKDatabase zkdb = zkServer.getZKDatabase();
    ServerStats stats = zkServer.serverStats();

    print("version", Version.getFullVersion());

    print("avg_latency", stats.getAvgLatency());
    print("max_latency", stats.getMaxLatency());
    print("min_latency", stats.getMinLatency());

    print("packets_received", stats.getPacketsReceived());
    print("packets_sent", stats.getPacketsSent());
    print("num_alive_connections", stats.getNumAliveClientConnections());

    print("outstanding_requests", stats.getOutstandingRequests());

    print("server_state", stats.getServerState());
    print("znode_count", zkdb.getNodeCount());

    print("watch_count", zkdb.getDataTree().getWatchCount());
    print("ephemerals_count", zkdb.getDataTree().getEphemeralsCount());
    print("approximate_data_size", zkdb.getDataTree().approximateDataSize());

    OSMXBean osMbean = new OSMXBean();
    if (osMbean != null && osMbean.getUnix() == true) {
        print("open_file_descriptor_count", osMbean.getOpenFileDescriptorCount());
        print("max_file_descriptor_count", osMbean.getMaxFileDescriptorCount());
    }

    if (stats.getServerState().equals("leader")) {
        Leader leader = ((LeaderZooKeeperServer)zkServer).getLeader();

        print("followers", leader.getLearners().size());
        print("synced_followers", leader.getForwardingFollowers().size());
        print("pending_syncs", leader.getNumPendingSyncs());
    }
}
开发者ID:didichuxing2，项目名称:https-github.com-apache-zookeeper，代码行数:43，代码来源:MonitorCommand.java

示例9: commandRun

import org.apache.zookeeper.server.quorum.Leader; //导入依赖的package包/类
@Override
public void commandRun() {
    if(!isZKServerRunning()) {
        pw.println(ZK_NOT_SERVING);
        return;
    }
    ZKDatabase zkdb = zkServer.getZKDatabase();
    ServerStats stats = zkServer.serverStats();

    print("version", Version.getFullVersion());

    print("avg_latency", stats.getAvgLatency());
    print("max_latency", stats.getMaxLatency());
    print("min_latency", stats.getMinLatency());

    print("packets_received", stats.getPacketsReceived());
    print("packets_sent", stats.getPacketsSent());
    print("num_alive_connections", stats.getNumAliveClientConnections());

    print("outstanding_requests", stats.getOutstandingRequests());

    print("server_state", stats.getServerState());
    print("znode_count", zkdb.getNodeCount());

    print("watch_count", zkdb.getDataTree().getWatchCount());
    print("ephemerals_count", zkdb.getDataTree().getEphemeralsCount());
    print("approximate_data_size", zkdb.getDataTree().approximateDataSize());

    OSMXBean osMbean = new OSMXBean();
    if (osMbean != null && osMbean.getUnix() == true) {
        print("open_file_descriptor_count", osMbean.getOpenFileDescriptorCount());
        print("max_file_descriptor_count", osMbean.getMaxFileDescriptorCount());
    }
  
    if(stats.getServerState().equals("leader")) {
        Leader leader = ((LeaderZooKeeperServer)zkServer).getLeader();

        print("followers", leader.getLearners().size());
        print("synced_followers", leader.getForwardingFollowers().size());
        print("pending_syncs", leader.getNumPendingSyncs());
    }
}
开发者ID:l294265421，项目名称:ZooKeeper，代码行数:43，代码来源:NettyServerCnxn.java

示例10: commandRun

import org.apache.zookeeper.server.quorum.Leader; //导入依赖的package包/类
@Override
public void commandRun() {
    if(!isZKServerRunning()) {
        pw.println(ZK_NOT_SERVING);
        return;
    }
    ZKDatabase zkdb = zkServer.getZKDatabase();
    ServerStats stats = zkServer.serverStats();

    print("version", Version.getFullVersion());

    print("avg_latency", stats.getAvgLatency());
    print("max_latency", stats.getMaxLatency());
    print("min_latency", stats.getMinLatency());

    print("packets_received", stats.getPacketsReceived());
    print("packets_sent", stats.getPacketsSent());
    print("num_alive_connections", stats.getNumAliveClientConnections());

    print("outstanding_requests", stats.getOutstandingRequests());

    print("server_state", stats.getServerState());
    print("znode_count", zkdb.getNodeCount());

    print("watch_count", zkdb.getDataTree().getWatchCount());
    print("ephemerals_count", zkdb.getDataTree().getEphemeralsCount());
    print("approximate_data_size", zkdb.getDataTree().approximateDataSize());

    OSMXBean osMbean = new OSMXBean();
    if (osMbean != null && osMbean.getUnix() == true) {
        print("open_file_descriptor_count", osMbean.getOpenFileDescriptorCount());
        print("max_file_descriptor_count", osMbean.getMaxFileDescriptorCount());
    }

    if(stats.getServerState().equals("leader")) {
        Leader leader = ((LeaderZooKeeperServer)zkServer).getLeader();

        print("followers", leader.getLearners().size());
        print("synced_followers", leader.getForwardingFollowers().size());
        print("pending_syncs", leader.getNumPendingSyncs());
    }
}
开发者ID:l294265421，项目名称:ZooKeeper，代码行数:43，代码来源:NIOServerCnxn.java

示例11: commandRun

import org.apache.zookeeper.server.quorum.Leader; //导入依赖的package包/类
@Override
public void commandRun() {
    if(zkServer == null) {
        pw.println(ZK_NOT_SERVING);
        return;
    }
    ZKDatabase zkdb = zkServer.getZKDatabase();
    ServerStats stats = zkServer.serverStats();

    print("version", Version.getFullVersion());

    print("avg_latency", stats.getAvgLatency());
    print("max_latency", stats.getMaxLatency());
    print("min_latency", stats.getMinLatency());

    print("packets_received", stats.getPacketsReceived());
    print("packets_sent", stats.getPacketsSent());
    print("num_alive_connections", stats.getNumAliveClientConnections());

    print("outstanding_requests", stats.getOutstandingRequests());

    print("server_state", stats.getServerState());
    print("znode_count", zkdb.getNodeCount());

    print("watch_count", zkdb.getDataTree().getWatchCount());
    print("ephemerals_count", zkdb.getDataTree().getEphemeralsCount());
    print("approximate_data_size", zkdb.getDataTree().approximateDataSize());

    OperatingSystemMXBean osMbean = ManagementFactory.getOperatingSystemMXBean();
    if(osMbean != null && osMbean instanceof UnixOperatingSystemMXBean) {
        UnixOperatingSystemMXBean unixos = (UnixOperatingSystemMXBean)osMbean;

        print("open_file_descriptor_count", unixos.getOpenFileDescriptorCount());
        print("max_file_descriptor_count", unixos.getMaxFileDescriptorCount());
    }

    if(stats.getServerState().equals("leader")) {
        Leader leader = ((LeaderZooKeeperServer)zkServer).getLeader();

        print("followers", leader.getLearners().size());
        print("synced_followers", leader.getForwardingFollowers().size());
        print("pending_syncs", leader.getNumPendingSyncs());
    }
}
开发者ID:gerritjvv，项目名称:bigstreams，代码行数:45，代码来源:NettyServerCnxn.java

示例12: commandRun

import org.apache.zookeeper.server.quorum.Leader; //导入依赖的package包/类
@Override
public void commandRun() {
    if(zkServer == null) {
        pw.println(ZK_NOT_SERVING);
        return;
    }
    ZKDatabase zkdb = zkServer.getZKDatabase();
    ServerStats stats = zkServer.serverStats();

    print("version", Version.getFullVersion());

    print("avg_latency", stats.getAvgLatency());
    print("max_latency", stats.getMaxLatency());
    print("min_latency", stats.getMinLatency());

    print("packets_received", stats.getPacketsReceived());
    print("packets_sent", stats.getPacketsSent());

    print("outstanding_requests", stats.getOutstandingRequests());

    print("server_state", stats.getServerState());
    print("znode_count", zkdb.getNodeCount());

    print("watch_count", zkdb.getDataTree().getWatchCount());
    print("ephemerals_count", zkdb.getDataTree().getEphemeralsCount());
    print("approximate_data_size", zkdb.getDataTree().approximateDataSize());

    OperatingSystemMXBean osMbean = ManagementFactory.getOperatingSystemMXBean();
    if(osMbean != null && osMbean instanceof UnixOperatingSystemMXBean) {
        UnixOperatingSystemMXBean unixos = (UnixOperatingSystemMXBean)osMbean;

        print("open_file_descriptor_count", unixos.getOpenFileDescriptorCount());
        print("max_file_descriptor_count", unixos.getMaxFileDescriptorCount());
    }

    if(stats.getServerState() == "leader") {
        Leader leader = ((LeaderZooKeeperServer)zkServer).getLeader();

        print("followers", leader.learners.size());
        print("synced_followers", leader.forwardingFollowers.size());
        print("pending_syncs", leader.pendingSyncs.size());
    }
}
开发者ID:gerritjvv，项目名称:bigstreams，代码行数:44，代码来源:NettyServerCnxn.java


注：本文中的org.apache.zookeeper.server.quorum.Leader类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。