Examples with ProcessStatusChangeRequest alluxio.hub.proto.ProcessStatusChangeRequest used on opensource projects

Example 1 with ProcessStatusChangeRequest

use of alluxio.hub.proto.ProcessStatusChangeRequest in project alluxio by Alluxio.

the class ManagerProcessContext method startProcessStatusChangeListener.

/**
 * Starts a request stream observer for {@link HostedManagerServiceGrpc} ProcessStatusChange
 * RPC calls.
 */
public void startProcessStatusChangeListener() {
    HostedManagerServiceGrpc.HostedManagerServiceStub asyncStub = getHostedAsyncStub();
    RequestStreamObserver requestObserver = new RequestStreamObserver<ProcessStatusChangeRequest, ProcessStatusChangeResponse>() {

        @Override
        public ProcessStatusChangeResponse exec(ProcessStatusChangeRequest req) {
            return ProcessStatusChangeResponse.newBuilder().setHubMetadata(mHubMetadata).setPayload(ProcessStatusChangeResponse.Payload.newBuilder().addAllProcessStatusChangeResponse(processStatusChange(req))).build();
        }

        @Override
        public void restart() {
            startProcessStatusChangeListener();
        }

        @Override
        public void handleError(String message, Throwable t) {
            handleStatusRuntimeException(message, t);
        }
    };
    StreamObserver<ProcessStatusChangeResponse> responseObserver = asyncStub.processStatusChange(requestObserver);
    requestObserver.start(responseObserver, ProcessStatusChangeResponse.newBuilder().setHubMetadata(mHubMetadata).build());
    LOG.info("Started ProcessStatusChange async listener", asyncStub);
}