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edu.stanford.genetics.treeview.app
Class Daemon  

java.lang.Object
  java.lang.Thread
      edu.stanford.genetics.treeview.app.Daemon

All Implemented Interfaces:

java.lang.Runnable

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public class Daemon

extends java.lang.Thread

A daemon is a thread that waits for request and forward to a RequestHandler in this case, the TreeViewApp The intention of this : If an instance of the program is running, it shall starts a daemon which waits for requests. When another instance of the program is started, the new program will first try to contact the daemons. If any exists, the new program will ask the daemon to do the task. daemon will delegate the task to the RequestHandler.

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Nested Class Summary
static interface	Daemon.RequestHandler
static class	Daemon.SimpleClient

 

Nested classes inherited from class java.lang.Thread

java.lang.Thread.UncaughtExceptionHandler

 

Field Summary
static int	BASE_PORT
static java.lang.String	DAEMON_RUNNING
static boolean	DEBUG
private  Daemon.RequestHandler	handler
static int	NUM_OF_PORTS
static int	REQUST_TIME_OUT
private  java.net.ServerSocket	serverSocket

 

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

 

Constructor Summary

Daemon(Daemon.RequestHandler handler)

 

Method Summary
private  boolean	initSocket()
void	run()           The method of Thread that will be run if there is no Runnable object associated with the Thread.
static java.lang.String	toString(java.lang.String[] args)

 

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Field Detail

DAEMON_RUNNING

public static java.lang.String DAEMON_RUNNING

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BASE_PORT

public static int BASE_PORT

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NUM_OF_PORTS

public static int NUM_OF_PORTS

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REQUST_TIME_OUT

public static int REQUST_TIME_OUT

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serverSocket

private java.net.ServerSocket serverSocket

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handler

private Daemon.RequestHandler handler

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DEBUG

public static boolean DEBUG

Constructor Detail

Daemon

public Daemon(Daemon.RequestHandler handler)
       throws java.io.IOException

Method Detail

initSocket

private boolean initSocket()

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run

public void run()

Description copied from class: java.lang.Thread

The method of Thread that will be run if there is no Runnable object associated with the Thread. Thread's implementation does nothing at all.

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toString

public static java.lang.String toString(java.lang.String[] args)

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