/**
* Find the RetrieveColumnRunnable from map and waiting queue. Map stores running runnables
*
* @param key
* @return
*/
public synchronized RetrieveColumnRunnable getRunnable(INoSQLSchemaNode node) {
// Get the runnable from map first, else then find it in the waiting queue.
RetrieveColumnRunnable runnable = remainRunnables.get(node);
if (runnable != null) {
return runnable;
}
for (Object element : getQueue()) {
RetrieveColumnRunnable ele = (RetrieveColumnRunnable) element;
if (ele.getNode() == node) {
return ele;
}
}
return null;
}
/*
* (non-Javadoc)
*
* @see java.util.concurrent.ThreadPoolExecutor#beforeExecute(java.lang.Thread, java.lang.Runnable)
*/
@Override
protected void beforeExecute(Thread t, Runnable r) {
RetrieveColumnRunnable runnable = (RetrieveColumnRunnable) r;
remainRunnables.put(runnable.getNode(), runnable);
}
/*
* (non-Javadoc)
*
* @see java.util.concurrent.ThreadPoolExecutor#afterExecute(java.lang.Runnable, java.lang.Throwable)
*/
@Override
protected void afterExecute(Runnable r, Throwable t) {
RetrieveColumnRunnable runnable = (RetrieveColumnRunnable) r;
remainRunnables.remove(runnable.getNode());
}
