Examples of Daemon

com.sun.akuma.Daemon
orm initialization as a daemon // this involves in closing file descriptors, recording PIDs, etc. d. {@linkplain #init() init}(); } else { // if you are already daemonized, no point in daemonizing yourself again, // so do this only when you aren't daemonizing. if(you decide to launch a copy into background) { d.daemonize(...); System.exit(0); } } // your normal main code follows // this part can be executed in two ways // 1) the user runs your process in the foreground // 2) you decided to daemonize yourself, in which case the newly forked daemon will execute this code, // while the originally executed foreground Java process exits before it gets here. ... }
Alternatively, your main class can extend from Daemon, so that you can customize some of the behaviors. @author Kohsuke Kawaguchi
org.apache.accumulo.core.util.Daemon
org.apache.accumulo.fate.util.Daemon
org.apache.hadoop.util.Daemon
A thread that has called {@link Thread#setDaemon(boolean) } with true.
org.apache.jetspeed.daemon.Daemon
A simple interface to create Daemons within Jetspeed. These are basically threads that get work done to facilitate content serving. @author Kevin A. Burton @version $Id: Daemon.java,v 1.9 2004/02/23 02:48:57 jford Exp $
org.codehaus.mojo.appassembler.model.Daemon
org.eclipse.jgit.transport.Daemon
e> transport protocol.
org.gradle.launcher.daemon.server.Daemon
A long-lived build server that accepts commands via a communication channel.
Daemon instances are single use and have a start/stop debug. They are also threadsafe.
See {@link org.gradle.launcher.daemon.client.DaemonClient} for a description of the daemon communication protocol.
org.skife.gressil.Daemon
org.uberfire.java.nio.fs.jgit.daemon.git.Daemon
e> transport protocol.
se.rupy.http.Daemon
A tiny HTTP daemon. The whole server is non-static so that you can launch multiple contained HTTP servers in one application on different ports. @author marc

Examples of org.apache.hadoop.util.Daemon

        }
        LOG.info(bpReg + " Starting thread to transfer block " + 
                 block + " to " + xfersBuilder);                       
      }


      new Daemon(new DataTransfer(xferTargets, block,
          BlockConstructionStage.PIPELINE_SETUP_CREATE, "")).start();
    }
  }

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Examples of org.apache.hadoop.util.Daemon


  public Daemon recoverBlocks(
      final String who,
      final Collection<RecoveringBlock> blocks) {
    
    Daemon d = new Daemon(threadGroup, new Runnable() {
      /** Recover a list of blocks. It is run by the primary datanode. */
      @Override
      public void run() {
        for(RecoveringBlock b : blocks) {
          try {
            logRecoverBlock(who, b);
            recoverBlock(b);
          } catch (IOException e) {
            LOG.warn("recoverBlocks FAILED: " + b, e);
          }
        }
      }
    });
    d.start();
    return d;
  }

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Examples of org.apache.hadoop.util.Daemon

      }
      leaseManager.startMonitor();
      startSecretManagerIfNecessary();


      //ResourceMonitor required only at ActiveNN. See HDFS-2914
      this.nnrmthread = new Daemon(new NameNodeResourceMonitor());
      nnrmthread.start();
    } finally {
      writeUnlock();
    }
  }

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Examples of org.apache.hadoop.util.Daemon

        reportStatus("STATE* Safe mode ON.", false);
        return;
      }
      // start monitor
      reached = now();
      smmthread = new Daemon(new SafeModeMonitor());
      smmthread.start();
      reportStatus("STATE* Safe mode extension entered.", true);


      // check if we are ready to initialize replication queues
      if (canInitializeReplQueues() && !isPopulatingReplQueues()) {

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Examples of org.apache.hadoop.util.Daemon

    rename(prevDir, tmpDir);


    // 2. delete finalized.tmp dir in a separate thread
    // Also delete the blocksBeingWritten from HDFS 1.x and earlier, if
    // it exists.
    new Daemon(new Runnable() {
        @Override
        public void run() {
          try {
            deleteDir(tmpDir);
            if (bbwDir.exists()) {

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Examples of org.apache.hadoop.util.Daemon

      mirrorAddr = mirrAddr;
      throttler = throttlerArg;


    try {
      if (isClient && !isTransfer) {
        responder = new Daemon(datanode.threadGroup, 
            new PacketResponder(replyOut, mirrIn, downstreams));
        responder.start(); // start thread to processes responses
      }


      /*

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Examples of org.apache.hadoop.util.Daemon


  void startMonitor() {
    Preconditions.checkState(lmthread == null,
        "Lease Monitor already running");
    shouldRunMonitor = true;
    lmthread = new Daemon(new Monitor());
    lmthread.start();
  }

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Examples of org.apache.hadoop.util.Daemon


  private Daemon decommissionthread = null;


  void activate(final Configuration conf) {
    final DecommissionManager dm = new DecommissionManager(namesystem, blockManager);
    this.decommissionthread = new Daemon(dm.new Monitor(
        conf.getInt(DFSConfigKeys.DFS_NAMENODE_DECOMMISSION_INTERVAL_KEY, 
                    DFSConfigKeys.DFS_NAMENODE_DECOMMISSION_INTERVAL_DEFAULT),
        conf.getInt(DFSConfigKeys.DFS_NAMENODE_DECOMMISSION_NODES_PER_INTERVAL_KEY, 
                    DFSConfigKeys.DFS_NAMENODE_DECOMMISSION_NODES_PER_INTERVAL_DEFAULT)));
    decommissionthread.start();

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Examples of org.apache.hadoop.util.Daemon

    // rename previous to finalized.tmp
    final File tmpDir = bpSd.getFinalizedTmp();
    rename(prevDir, tmpDir);


    // delete finalized.tmp dir in a separate thread
    new Daemon(new Runnable() {
      @Override
      public void run() {
        try {
          deleteDir(tmpDir);
        } catch (IOException ex) {

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Examples of org.apache.hadoop.util.Daemon

      int ret = secondary.processStartupCommand(opts);
      terminate(ret);
    }


    // Create a never ending deamon
    Daemon checkpointThread = new Daemon(secondary);
    checkpointThread.start();
  }

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