ccd

Class AsynchronousCcdDriver.ExposureThread

java.lang.Object

java.lang.Thread

util.ExitThread

ccd.AsynchronousCcdDriver.ExposureThread

All Implemented Interfaces:

Runnable

Enclosing class:

AsynchronousCcdDriver

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

Fields

Modifier and Type	Field and Description
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

Constructors

Modifier	Constructor and Description
protected	ExposureThread(AbstractCcdDriver.Exposure flag, long querycycle) Constructs a new exposure thread without starting it.

Method Summary

Modifier and Type	Method and Description
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 final AbstractCcdDriver.Exposure how

The flag to the method to call.

cycle

private final long cycle

The wait time for exposure finished queries.

Constructor Detail

ExposureThread

protected 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