/* (non-Javadoc)
* @see java.lang.Runnable#run()
*/
public void run() {
// log.debug("running");
setRunning(true);
while (true) {
ResourceRequest request = null;
boolean reserved = false;
if (queue.isEmpty()) {
setRunning(false);
// log.debug("finished");
return;
}
request = (ResourceRequest) queue.firstElement();
reserved = manager.requestResources(request);
if (reserved) {
queue.remove(request);
notifyResourceWaiter(request);
log.info("grantResources: " + request.getRrId());
} else {
waitForResources();
}
}
}
/** @param request */
private void notifyResourceWaiter(ResourceRequest request) {
ResourceWaiter waiter = null;
waiter = request.getResourceWaiter();
if (waiter != null) {
waiter.grantResource(request.getRrId());
} else {
// no resourcewaiter - free resources - log error
log.error(
"No reference to ResourceWaiter for rrId:"
+ request.getRrId()
+ " - releasing resources.");
try {
manager.releaseResources(request.getRrId());
} catch (ResourceManagerException e) {
log.error("Problem freeing resources - I give up", e);
}
return;
}
}