/**
* Waits for up to timeout milliseconds for the request to reach a non-queued state and then
* returns the current SrmLsResponse for this LsRequest.
*/
public final SrmLsResponse getSrmLsResponse(long timeout) throws InterruptedException {
/* To avoid a race condition between us querying the
* current response and us waiting for a state change
* notification, the notification scheme is counter
* based. This guarantees that we do not loose any
* notifications. A simple lock around the whole loop
* would not have worked, as the call to
* getSrmLsResponse may itself trigger a state change
* and thus cause a deadlock when the state change is
* signaled.
*/
Date deadline = getDateRelativeToNow(timeout);
int counter = _stateChangeCounter.get();
SrmLsResponse response = getSrmLsResponse();
while (response.getReturnStatus().getStatusCode().isProcessing()
&& _stateChangeCounter.awaitChangeUntil(counter, deadline)) {
counter = _stateChangeCounter.get();
response = getSrmLsResponse();
}
return response;
}
public final SrmLsResponse getSrmLsResponse() {
SrmLsResponse response = new SrmLsResponse();
response.setReturnStatus(getTReturnStatus());
if (!response.getReturnStatus().getStatusCode().isProcessing()) {
response.setDetails(new ArrayOfTMetaDataPathDetail(getPathDetailArray()));
} else {
response.setDetails(null);
}
response.setRequestToken(getTRequestToken());
return response;
}
