edu.vt.marian.WebGate
Class user_manage

java.lang.Object
  |
  +--java.lang.Thread
        |
        +--edu.vt.marian.WebGate.user_manage

public class user_manage

extends java.lang.Thread

Class name: user_manage Class description: this is a thread, it will check user database periodically and write those information which are not used currently back to disk thus the system will not consume unlimited memory when user number and query number grows Author: Jianxin Zhao Finished time: ????, 1998 Known bugs: none Platform: jdk1.1.5 under UNIX

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

user_manage(java.lang.String dir, user_manager um, edu.vt.marian.common.Debug debug)
this constructor will create a user manage object from a directory and a user manager object, the directory contain information about the time interval to check user database and to unload users

user_manage(user_manager um, edu.vt.marian.common.Debug debug)

Method Summary

long	get_check_interval() this method will return the time interval this thread check user database
long	get_unload_interval() this method will return the time interval to unload users
void	run() this method will take all the responsibility of this thread
java.lang.String	set_check_interval(long time) this method will set the time interval this thread check the user database
java.lang.String	set_unload_interval(long time) this method will set the time interval to unload users

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setName, setPriority, 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

Constructor Detail

user_manage

public user_manage(user_manager um,
                   edu.vt.marian.common.Debug debug)

user_manage

public user_manage(java.lang.String dir,
                   user_manager um,
                   edu.vt.marian.common.Debug debug)

this constructor will create a user manage object from a directory and a user manager object, the directory contain information about the time interval to check user database and to unload users

Method Detail

run

public void run()

this method will take all the responsibility of this thread

Overrides:

run in class java.lang.Thread

set_check_interval

public java.lang.String set_check_interval(long time)

this method will set the time interval this thread check the user database

get_check_interval

public long get_check_interval()

this method will return the time interval this thread check user database

set_unload_interval

public java.lang.String set_unload_interval(long time)

this method will set the time interval to unload users

get_unload_interval

public long get_unload_interval()

this method will return the time interval to unload users