Examples of com.sun.jini.thread.TaskManager

com.sun.jini.thread.TaskManager

A task manager manages a single queue of tasks, and some number of worker threads. New tasks are added to the tail of the queue. Each thread loops, taking a task from the queue and running it. Each thread looks for a task by starting at the head of the queue and taking the first task (that is not already being worked on) that is not required to run after any of the tasks that precede it in the queue (including tasks that are currently being worked on).

This class uses the {@link Logger} namedcom.sun.jini.thread.TaskManager to log information at the following logging levels:

**`com.sun.jini.thread.TaskManager`**
Level	Description
{@link Level#SEVERE SEVERE}	failure to create a worker thread when no other worker threads exist
{@link Level#WARNING WARNING}	exceptions thrown by {@link TaskManager.Task} methods, and failureto create a worker thread when other worker threads exist

@author Sun Microsystems, Inc.

            new WakeupManager(new WakeupManager.ThreadDesc(null, true));
  
        settlerpool =
            (TaskManager) Config.getNonNullEntry(
                config, TxnManager.MAHALO, "settlerPool", TaskManager.class,
                new TaskManager(settlerthreads, settlertimeout,
                                settlerload));
        taskpool =
            (TaskManager) Config.getNonNullEntry(
                config, TxnManager.MAHALO, "taskPool", TaskManager.class,
                new TaskManager(taskthreads, tasktimeout,
                                taskload));  
        
        unsettledtxns = new Vector();
  
        // Create leaseFactory

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        taskMgr = (TaskManager)Config.getNonNullEntry
                                          (config,
                                           COMPONENT_NAME,
                                           "taskManager",
                                           TaskManager.class,
                                           new TaskManager(10,1000*15,1.0f) );
        /* Get the discovery manager to pass to this service's join manager. */
        try {
            joinMgrLDM  = 
                (DiscoveryManagement)Config.getNonNullEntry
                                                  (config,

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         */
        Notifier(Configuration config) throws ConfigurationException {
          super("Notifier");
          taskManager = (TaskManager)Config.getNonNullEntry(config,
          MERCURY, "notificationsTaskManager",
          TaskManager.class, new TaskManager());
//TODO - defer TaskManager() creation to catch block of getEntry()
          start();
        }

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        try {
            taskManager = (TaskManager)config.getEntry(COMPONENT_NAME,
                   "taskManager",
                   TaskManager.class);
        } catch(NoSuchEntryException e) { /* use default */
            taskManager = new TaskManager(MAX_N_TASKS,(15*1000),1.0f);
        }


        /* Multicast request-related configuration items */
        multicastRequestMax
         = ( (Integer)config.getEntry

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  serviceIdGenerator = (UuidGenerator) Config.getNonNullEntry(
      config, COMPONENT, "serviceIdGenerator", UuidGenerator.class,
      serviceIdGenerator);
  tasker = (TaskManager) Config.getNonNullEntry(
      config, COMPONENT, "taskManager", TaskManager.class,
      new TaskManager(50, 1000 * 15, 1.0F));
  unexportTimeout = Config.getLongEntry(
         config, COMPONENT, "unexportTimeout", unexportTimeout,
         0, Long.MAX_VALUE);
  unexportWait = Config.getLongEntry(
         config, COMPONENT, "unexportWait", unexportWait,

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      throw new NullPointerException("space must be non-null");
  this.space = space;


  taskManager = (TaskManager)Config.getNonNullEntry(config,
      OutriggerServerImpl.COMPONENT_NAME, "txnMonitorTaskManager", 
      TaskManager.class, new TaskManager());


        ourThread = new Thread(this, "TxnMonitor");
  ourThread.setDaemon(true);
        ourThread.start();
    }

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                cacheTaskMgr = (TaskManager)thisConfig.getEntry
                                                           (COMPONENT_NAME,
                                                            "cacheTaskManager",
                                                            TaskManager.class);
            } catch(ConfigurationException e) { /* use default */
                cacheTaskMgr = new TaskManager(10,(15*1000),1.0f);
            }
            /* Get a special-purpose task manager for this cache from the
             * configuration. That task manager will be used to manage the
             * various instances of the special-purpose task, executed by
             * this instance of the lookup cache, that waits on verification
             * events after a previousy discovered service has been discarded.
             */
            try {
                serviceDiscardTimerTaskMgr
                    = (TaskManager)thisConfig.getEntry
                                                  (COMPONENT_NAME,
                                                   "discardTaskManager",
                                                   TaskManager.class);
            } catch(ConfigurationException e) { /* use default */
                serviceDiscardTimerTaskMgr = new TaskManager
                                                         (10,(15*1000),1.0f);
            }
        }//end LookupCacheImpl.initCache

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  this.recoveredListenerPreparer = recoveredListenerPreparer;


  pending = (TaskManager)Config.getNonNullEntry(config,
      OutriggerServerImpl.COMPONENT_NAME, "notificationsTaskManager", 
      TaskManager.class, new TaskManager());
    }

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        try {
            discoveryTaskMgr = (TaskManager)config.getEntry(COMPONENT_NAME,
                                                            "taskManager",
                                                            TaskManager.class);
        } catch(NoSuchEntryException e) { /* use default */
            discoveryTaskMgr = new TaskManager(MAX_N_TASKS,(15*1000),1.0f);
        }
        /* Wakeup manager */
        try {
            discoveryWakeupMgr = (WakeupManager)config.getEntry
                                                        (COMPONENT_NAME,

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         */
        Notifier(Configuration config) throws ConfigurationException {
          super("Notifier");
          taskManager = (TaskManager)Config.getNonNullEntry(config,
          MERCURY, "notificationsTaskManager",
          TaskManager.class, new TaskManager());
//TODO - defer TaskManager() creation to catch block of getEntry()
          start();
        }

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com.sun.jini.mercury.MailboxImpl$Notifier

com.sun.jini.norm.event.EventType

com.sun.jini.norm.event.EventTypeGenerator

com.sun.jini.outrigger.Notifier

com.sun.jini.outrigger.TxnMonitor

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com.sun.jini.test.impl.lookupdiscovery.util.TestTaskProducerImpl

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