ccd
Class AsynchronousCcdDriver.ExposureThread

java.lang.Object
  java.lang.Thread
      util.ExitThread
          ccd.AsynchronousCcdDriver.ExposureThread

All Implemented Interfaces:

Runnable

Enclosing class:

AsynchronousCcdDriver<T>

protected class AsynchronousCcdDriver.ExposureThread
extends ExitThread

An exposure thread start an exposure in its run method by calling the appropriate driver method. It then simly waits the exposure time plus the readout time, then starts querying until AsynchronousCcdDriver.isExposing() returns false. Before exiting, all waiters are notified.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

private long	cycle The wait time for exposure finished queries.
private AbstractCcdDriver.Exposure	how The flag to the method to call.

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

protected

AsynchronousCcdDriver.ExposureThread(AbstractCcdDriver.Exposure flag, long querycycle) Constructs a new exposure thread without starting it.

Method Summary

protected boolean

runner() Does the expoure by calling the appropriate outer class method.

Methods inherited from class util.ExitThread

getEnterTime, getError, getExecutionTime, getExitTime, run, wasSuccess

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

how

private AbstractCcdDriver.Exposure how

The flag to the method to call.

cycle

private long cycle

The wait time for exposure finished queries.

Constructor Detail

AsynchronousCcdDriver.ExposureThread

protected AsynchronousCcdDriver.ExposureThread(AbstractCcdDriver.Exposure flag,
                                               long querycycle)

Constructs a new exposure thread without starting it. The argument specifies the action undertaken in the run method.

Parameters:

flag - Either #EXPOSURE or #DARKEXPOSURE

Method Detail

runner

protected boolean runner()
                  throws Exception

Does the expoure by calling the appropriate outer class method. If an IOException happens during the exposure, the thread is interrupted.

Specified by:

runner in class ExitThread

Throws:

Exception