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java.lang.Objectjava.lang.Thread
com.bbn.openmap.layer.vpf.RunQueue
public class RunQueue
Implement a very basic thread scheduling mechanism. TerminatingRunnable objects get added to the queue. As the thread gets cpu time, it will sequentially dequeue and run the objects in the queue in a LIFO order. Duplicates are allowed in the queue. Run will get called exactly once for each enqueue call. Only one thread will run at a time. (The next object won't run until the previous one completes.)
Runnable.run()| Nested Class Summary |
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| Nested classes/interfaces inherited from class java.lang.Thread |
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java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler |
| Field Summary |
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| Fields inherited from class java.lang.Thread |
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MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY |
| Constructor Summary | |
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RunQueue()
default constructor. |
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RunQueue(boolean isDaemon,
int priority,
boolean autoStart)
construct a thread in the default ThreadGroup with a few options set |
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RunQueue(java.lang.ThreadGroup tg)
construct this thread in a particular ThreadGroup |
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RunQueue(java.lang.ThreadGroup tg,
boolean isDaemon,
int priority,
boolean autoStart)
construct a thread in the default ThreadGroup with a few options set |
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| Method Summary | |
|---|---|
void |
enqueue(TerminatingRunnable r)
Add an object to the queue of threads to run |
void |
run()
start going. |
| Methods inherited from class java.lang.Thread |
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activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, 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 |
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equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
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public RunQueue()
public RunQueue(java.lang.ThreadGroup tg)
tg - the ThreadGroup to be in. null means
the current ThreadGroup
public RunQueue(boolean isDaemon,
int priority,
boolean autoStart)
isDaemon - true means be a daemon thread,
false means don't.priority - the value to use when calling setPriorityautoStart - true means call this.start()Thread.start()
public RunQueue(java.lang.ThreadGroup tg,
boolean isDaemon,
int priority,
boolean autoStart)
tg - the ThreadGroup to be inisDaemon - true means be a daemon thread,
false means don't.priority - the value to use when calling setPriorityautoStart - true means call this.start()Thread.start()| Method Detail |
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public void run()
run in interface java.lang.Runnablerun in class java.lang.Threadpublic void enqueue(TerminatingRunnable r)
r - the object to add
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