kileys commented on a change in pull request #14741:
URL: https://github.com/apache/beam/pull/14741#discussion_r627622716
##########
File path:
sdks/java/harness/src/main/java/org/apache/beam/fn/harness/status/BeamFnStatusClient.java
##########
@@ -42,9 +44,12 @@
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-public class BeamFnStatusClient {
+public class BeamFnStatusClient implements AutoCloseable {
+ private static final Object COMPLETED = new Object();
private final StreamObserver<WorkerStatusResponse> outboundObserver;
private final BundleProcessorCache processBundleCache;
+ private final ManagedChannel channel;
+ private final CompletableFuture<Object> inboundObserverCompletion;
Review comment:
Can we use a CompletableFuture<Void> instead?
##########
File path:
sdks/java/harness/src/main/java/org/apache/beam/fn/harness/status/BeamFnStatusClient.java
##########
@@ -53,18 +58,32 @@ public BeamFnStatusClient(
Function<ApiServiceDescriptor, ManagedChannel> channelFactory,
BundleProcessorCache processBundleCache,
PipelineOptions options) {
- BeamFnWorkerStatusGrpc.BeamFnWorkerStatusStub stub =
-
BeamFnWorkerStatusGrpc.newStub(channelFactory.apply(apiServiceDescriptor));
- this.outboundObserver = stub.workerStatus(new InboundObserver());
+ this.channel = channelFactory.apply(apiServiceDescriptor);
+ this.outboundObserver =
+ BeamFnWorkerStatusGrpc.newStub(channel).workerStatus(new
InboundObserver());
this.processBundleCache = processBundleCache;
this.memoryMonitor = MemoryMonitor.fromOptions(options);
+ this.inboundObserverCompletion = new CompletableFuture<>();
Thread thread = new Thread(memoryMonitor);
thread.setDaemon(true);
thread.setPriority(Thread.MIN_PRIORITY);
thread.setName("MemoryMonitor");
thread.start();
}
+ @Override
+ public void close() throws Exception {
+ try {
+ inboundObserverCompletion.get();
Review comment:
Should this get a timeout as well?
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