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

  public BlockRecoveryInfo startBlockRecovery(Block block) throws IOException {
    return data.startBlockRecovery(block.getBlockId());
  }


  public Daemon recoverBlocks(final Block[] blocks, final DatanodeInfo[][] targets) {
    Daemon d = new Daemon(threadGroup, new Runnable() {
      /** Recover a list of blocks. It is run by the primary datanode. */
      public void run() {
        for(int i = 0; i < blocks.length; i++) {
          try {
            logRecoverBlock("NameNode", blocks[i], targets[i]);
            recoverBlock(blocks[i], false, targets[i], true);
          } catch (IOException e) {
            LOG.warn("recoverBlocks FAILED, blocks[" + i + "]=" + blocks[i], e);
          }
        }
      }
    });
    d.start();
    return d;
  }

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Examples of org.apache.hadoop.util.Daemon

      int ret = secondary.processArgs(argv);
      System.exit(ret);
    }


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

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Examples of org.apache.hadoop.util.Daemon

  /** should be called before this object is used */
  public void startThreads() throws IOException {
    updateCurrentKey();
    synchronized (this) {
      running = true;
      tokenRemoverThread = new Daemon(new ExpiredTokenRemover());
      tokenRemoverThread.start();
    }
  }

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Examples of org.apache.hadoop.util.Daemon

  public void run() {
    while (datanode.shouldRun) {
      try {
        Socket s = ss.accept();
        s.setTcpNoDelay(true);
        new Daemon(datanode.threadGroup, 
            new DataXceiver(s, datanode, this)).start();
      } catch (IOException ie) {
        LOG.warn(datanode.dnRegistration + ":DataXceiveServer: " 
                                + StringUtils.stringifyException(ie));
      } catch (Throwable te) {

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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();


      nnEditLogRoller = new Daemon(new NameNodeEditLogRoller(
          editLogRollerThreshold, editLogRollerInterval));
      nnEditLogRoller.start();


      cacheManager.startMonitorThread();
      blockManager.getDatanodeManager().setShouldSendCachingCommands(true);

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Examples of org.apache.hadoop.util.Daemon

  public void startCheckpointThread() {
    Preconditions.checkState(checkpointThread == null,
        "Should not already have a thread");
    Preconditions.checkState(shouldRun, "shouldRun should be true");
    
    checkpointThread = new Daemon(this);
    checkpointThread.start();
  }

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Examples of org.apache.hadoop.util.Daemon

          }
        }
      }
      Thread[] issuers = new Thread[numThreads];
      for (int i =0; i <numThreads; i++) {
        issuers[i] = new Daemon(new tokenIssuerThread());
        issuers[i].start();
      }
      for (int i =0; i <numThreads; i++) {
        issuers[i].join();
      }

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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
      }


      while (receivePacket() >= 0) { /* Receive until the last packet */ }

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Examples of org.apache.hadoop.util.Daemon

      int ret = secondary.processArgs(argv);
      System.exit(ret);
    }


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

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