Examples with GET_EPOCH_SEGMENTS io.pravega.shared.controller.tracing.RPCTracingTags.GET_EPOCH_SEGMENTS used on opensource projects

Example 1 with GET_EPOCH_SEGMENTS

use of io.pravega.shared.controller.tracing.RPCTracingTags.GET_EPOCH_SEGMENTS in project pravega by pravega.

the class ControllerImpl method getEpochSegments.

@Override
public CompletableFuture<StreamSegments> getEpochSegments(final String scope, final String stream, int epoch) {
    Exceptions.checkNotClosed(closed.get(), this);
    Exceptions.checkNotNullOrEmpty(scope, "scope");
    Exceptions.checkNotNullOrEmpty(stream, "stream");
    Exceptions.checkArgument(epoch >= 0, "epoch", "Should be a positive integer");
    final long requestId = requestIdGenerator.get();
    long traceId = LoggerHelpers.traceEnter(log, "getEpochSegments", scope, stream, epoch, requestId);
    final CompletableFuture<SegmentRanges> result = this.retryConfig.runAsync(() -> {
        RPCAsyncCallback<SegmentRanges> callback = new RPCAsyncCallback<>(traceId, "getEpochSegments", scope, stream, Integer.toString(epoch));
        GetEpochSegmentsRequest request = GetEpochSegmentsRequest.newBuilder().setStreamInfo(ModelHelper.createStreamInfo(scope, stream)).setEpoch(epoch).build();
        new ControllerClientTagger(client, timeoutMillis).withTag(requestId, GET_EPOCH_SEGMENTS, scope, stream, Integer.toString(epoch)).getEpochSegments(request, callback);
        return callback.getFuture();
    }, this.executor);
    return result.thenApplyAsync(x -> getStreamSegments(x, requestId), this.executor).whenComplete((x, e) -> {
        if (e != null) {
            log.warn(requestId, "getEpochSegments for {}/{} with epoch {} failed: ", scope, stream, epoch, e);
        }
        LoggerHelpers.traceLeave(log, "getEpochSegments", traceId, requestId);
    });
}