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java.lang.Objectjava.lang.Thread
org.apache.tools.ant.util.WorkerAnt
public class WorkerAnt
A worker ant executes a single task in a background thread. After the run, any exception thrown is turned into a buildexception, which can be rethrown, the finished attribute is set, then notifyAll() is called, so that anyone waiting on the same notify object gets woken up.
This class is effectively a superset ofParallel.TaskRunnable
| Nested Class Summary | 
|---|
| Nested classes/interfaces inherited from class java.lang.Thread | 
|---|
| java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler | 
| Field Summary | |
|---|---|
| static java.lang.String | ERROR_NO_TASKError message if invoked with no task | 
| Fields inherited from class java.lang.Thread | 
|---|
| MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY | 
| Constructor Summary | |
|---|---|
| WorkerAnt(Task task)Create the worker, using the worker as the notification point. | |
| WorkerAnt(Task task,
          java.lang.Object notify)Create the worker. | |
| Method Summary | |
|---|---|
|  BuildException | getBuildException()Get any build exception. | 
|  java.lang.Throwable | getException()Get whatever was thrown, which may or may not be a buildException. | 
|  Task | getTask()Get the task | 
|  boolean | isFinished()Query the task/thread for being finished. | 
|  void | rethrowAnyBuildException()Raise an exception if one was caught | 
|  void | run()Run the task, which is skipped if null. | 
|  void | waitUntilFinished(long timeout)Block on the notify object and so wait until the thread is finished. | 
| Methods inherited from class java.lang.Thread | 
|---|
| 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 | 
|---|
| equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait | 
| Field Detail | 
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public static final java.lang.String ERROR_NO_TASK
| Constructor Detail | 
|---|
public WorkerAnt(Task task,
                 java.lang.Object notify)
task - the tasknotify - what to notifypublic WorkerAnt(Task task)
task - the task| Method Detail | 
|---|
public BuildException getBuildException()
public java.lang.Throwable getException()
public Task getTask()
public boolean isFinished()
public void waitUntilFinished(long timeout)
                       throws java.lang.InterruptedException
timeout - timeout in milliseconds
java.lang.InterruptedException - if the execution was interruptedpublic void rethrowAnyBuildException()
BuildException - if one has been picked uppublic void run()
run in interface java.lang.Runnablerun in class java.lang.Thread| 
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