public static ProcessTimer createTimer(TimerListener listener, double timeInSeconds) {
ProcessTimer timer = new ProcessTimer(listener, timeInSeconds);
timers.add(timer);
timer.start();
logAliveTimersCount();
return timer;
}
public static void removeTimer(ProcessTimer timer) {
if (timer != null) {
timer.close();
timers.remove(timer);
}
logAliveTimersCount();
}
/**
* Waits until the process is terminated or the timeout is elapsed.
*
* @return The exit code of the process
*/
public int waitFor() {
int exitCode = -1;
if (process != null) {
try {
exitCode = process.waitFor();
logger.debug("Closing errorStream...");
errorStream.close();
logger.debug("Closing outputStream...");
outputStream.close();
} catch (InterruptedException e) {
e.printStackTrace();
}
ProcessTimer.removeTimer(timer);
logger.debug("TProcess ended: exitCode = " + exitCode);
} else {
ErrorsAndWarnings.addError("Cannot call waitFor() on a null TProcess");
}
return exitCode;
}
/** Destroys the process */
public void stop() {
ProcessTimer.removeTimer(timer);
try {
Thread.sleep(StreamListener.PRINTING_PERIOD_IN_MILLIS);
} catch (InterruptedException e) {
e.printStackTrace();
}
if (errorStream != null) {
logger.debug("Closing errorStream...");
errorStream.close();
}
if (outputStream != null) {
logger.debug("Closing outputStream...");
outputStream.close();
}
if (process != null) {
logger.debug("destroying TProcess...");
process.destroy();
logger.debug("TProcess destroyed");
}
}
/**
* Creates a TProcess, composed by the Process and one timer. Call waitFor() to wait until the
* process returns.
*
* @param processToManage The process to destroy after timeout
* @param timeoutInSeconds The timeout in seconds (precision is millisecond)
*/
public TProcess(Process processToManage, double timeoutInSeconds) {
process = processToManage;
timer = ProcessTimer.createTimer(this, timeoutInSeconds);
}