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/*
* VS is (c) 2008 by Paul C. Buetow
* vs@dev.buetow.org
*/
package core;
import events.*;
import events.implementations.*;
import events.internal.*;
import prefs.VSPrefs;
import protocols.VSProtocol;
// TODO: Auto-generated Javadoc
/**
* The Class VSTask.
*/
public class VSTask implements Comparable {
/** The Constant LOCAL. */
public final static boolean LOCAL = true;
/** The Constant GLOBAL. */
public final static boolean GLOBAL = false;
/** The task time. */
private long taskTime;
/** The event. */
private VSEvent event;
/** The process. */
private VSProcess process;
/** The prefs. */
private VSPrefs prefs;
/** The is programmed. */
private boolean isProgrammed;
/** The is global timed. */
private boolean isGlobalTimed;
/** The task counter. */
private static int taskCounter;
/** The task num. */
private int taskNum;
/**
* Instantiates a new vS task.
*
* @param taskTime the task time
* @param process the process
* @param event the event
* @param isLocal the is local
*/
public VSTask(long taskTime, VSProcess process, VSEvent event, boolean isLocal) {
this.process = process;
this.taskTime = taskTime > 0 ? taskTime : 0;
this.event = event;
this.prefs = process.getPrefs();
this.isGlobalTimed = !isLocal;
this.taskNum = ++taskCounter;
}
/**
* Gets the task num.
*
* @return the task num
*/
public int getTaskNum() {
return taskNum;
}
/**
* Checks if is programmed.
*
* @param isProgrammed the is programmed
*/
public void isProgrammed(boolean isProgrammed) {
this.isProgrammed = isProgrammed;
}
/**
* Checks if is programmed.
*
* @return true, if is programmed
*/
public boolean isProgrammed() {
return isProgrammed;
}
/**
* Checks if is message receive event.
*
* @return true, if is message receive event
*/
public boolean isMessageReceiveEvent() {
return event instanceof MessageReceiveEvent;
}
/**
* Checks if is process recover event.
*
* @return true, if is process recover event
*/
public boolean isProcessRecoverEvent() {
return event instanceof ProcessRecoverEvent;
}
/**
* Checks if is protocol.
*
* @param protocol the protocol
*
* @return true, if is protocol
*/
public boolean isProtocol(VSProtocol protocol) {
if (event instanceof VSProtocol)
return ((VSProtocol) event).equals(protocol);
return false;
}
/**
* Time over.
*
* @return true, if successful
*/
public boolean timeOver() {
if (isGlobalTimed)
return taskTime < process.getGlobalTime();
return taskTime < process.getTime();
}
/**
* Equals.
*
* @param task the task
*
* @return true, if successful
*/
public boolean equals(VSTask task) {
return taskNum == task.getTaskNum();
/*
return event.equals(task.getEvent())
&& taskTime == task.getTaskTime()
&& isGlobalTimed == task.isGlobalTimed()
&& isProgrammed == task.isProgrammed;
*/
}
/**
* Checks if is process.
*
* @param process the process
*
* @return true, if is process
*/
public boolean isProcess(VSProcess process) {
return this.process.equals(process);
}
/**
* Checks if is global timed.
*
* @return true, if is global timed
*/
public boolean isGlobalTimed() {
return isGlobalTimed;
}
/**
* Gets the process.
*
* @return the process
*/
public VSProcess getProcess() {
return process;
}
/**
* Run.
*/
public void run() {
if (event.getProcess() == null)
event.init(process);
event.onStart();
}
/**
* Gets the task time.
*
* @return the task time
*/
public long getTaskTime() {
return taskTime;
}
/**
* Gets the event.
*
* @return the event
*/
public VSEvent getEvent() {
return event;
}
/**
* Logg.
*
* @param message the message
*/
private void logg(String message) {
process.logg(message);
}
/* (non-Javadoc)
* @see java.lang.Object#toString()
*/
public String toString() {
StringBuffer buffer = new StringBuffer();
buffer.append(prefs.getString("lang.task"));
buffer.append(" ");
buffer.append(getTaskTime());
buffer.append(event.toString());
buffer.append("; PID: ");
buffer.append(process.getProcessID());
return buffer.toString();
}
/* (non-Javadoc)
* @see java.lang.Comparable#compareTo(java.lang.Object)
*/
public int compareTo(Object object) {
if (object instanceof VSTask) {
final VSTask task = (VSTask) object;
if (taskTime < task.getTaskTime())
return -1;
else if (taskTime > task.getTaskTime())
return 1;
/* If it's a ProtocolRecover, it should get handled very first */
boolean a = event instanceof ProcessRecoverEvent;
boolean b = task.getEvent() instanceof ProcessRecoverEvent;
if (a && b)
return 0;
if (a)
return -1;
if (b)
return 1;
/* If it's a ProtocolEvent, it should get handled first */
a = event instanceof ProtocolEvent;
b = task.getEvent() instanceof ProtocolEvent;
if (a && b)
return 0;
if (a)
return -1;
if (b)
return 1;
}
return 0;
}
}
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