/**
* Triggers a query to retrieve the "child" ImageCopyService instances in FAILED or CANCELLED
* state.
*
* @param current
*/
private void checkFailedOrCancelledCount(final State current) {
Operation.CompletionHandler handler =
new Operation.CompletionHandler() {
@Override
public void handle(Operation completedOp, Throwable failure) {
if (failure != null) {
// The query failed to execute. This most likely means that the
// host is in a bad state and if we re-issue the query it is likely
// to fail again. Terminate and fail the task early and delegate any
// retry logic to the caller.
failTask(failure);
return;
}
QueryTask rsp = completedOp.getBody(QueryTask.class);
State s = buildPatch(current.taskInfo.stage, current.taskInfo.subStage, null);
ServiceUtils.logInfo(
ImageReplicatorService.this, "Failed %s", Utils.toJson(rsp.results.documentLinks));
s.failedOrCanceledCopies = rsp.results.documentLinks.size();
sendSelfPatch(s);
}
};
QueryTask.QuerySpecification spec =
QueryTaskUtils.buildChildServiceTaskStatusQuerySpec(
this.getSelfLink(),
ImageCopyService.State.class,
TaskState.TaskStage.FAILED,
TaskState.TaskStage.CANCELLED);
this.sendQuery(spec, handler);
}
