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Example 1 with StreamsInScopeResponse

use of io.pravega.controller.stream.api.grpc.v1.Controller.StreamsInScopeResponse in project pravega by pravega.

the class ControllerImpl method listStreams.

@Override
public AsyncIterator<Stream> listStreams(String scopeName) {
    Exceptions.checkNotClosed(closed.get(), this);
    long traceId = LoggerHelpers.traceEnter(log, "listStreams", scopeName);
    long requestId = requestIdGenerator.get();
    try {
        final Function<ContinuationToken, CompletableFuture<Map.Entry<ContinuationToken, Collection<Stream>>>> function = token -> this.retryConfig.runAsync(() -> {
            RPCAsyncCallback<StreamsInScopeResponse> callback = new RPCAsyncCallback<>(requestId, "listStreams", scopeName);
            ScopeInfo scopeInfo = ScopeInfo.newBuilder().setScope(scopeName).build();
            new ControllerClientTagger(client, timeoutMillis).withTag(requestId, LIST_STREAMS_IN_SCOPE, scopeName).listStreamsInScope(StreamsInScopeRequest.newBuilder().setScope(scopeInfo).setContinuationToken(token).build(), callback);
            return callback.getFuture().thenApplyAsync(x -> {
                switch(x.getStatus()) {
                    case SCOPE_NOT_FOUND:
                        log.warn(requestId, "Scope not found: {}", scopeName);
                        throw new NoSuchScopeException();
                    case FAILURE:
                        log.warn(requestId, "Internal Server Error while trying to list streams in scope: {}", scopeName);
                        throw new RuntimeException("Failure while trying to list streams");
                    case SUCCESS:
                    // compatibility reasons
                    default:
                        List<Stream> result = x.getStreamsList().stream().map(y -> new StreamImpl(y.getScope(), y.getStream())).collect(Collectors.toList());
                        return new AbstractMap.SimpleEntry<>(x.getContinuationToken(), result);
                }
            }, this.executor);
        }, this.executor);
        return new ContinuationTokenAsyncIterator<>(function, ContinuationToken.newBuilder().build());
    } finally {
        LoggerHelpers.traceLeave(log, "listStreams", traceId);
    }
}
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Example 2 with StreamsInScopeResponse

use of io.pravega.controller.stream.api.grpc.v1.Controller.StreamsInScopeResponse in project pravega by pravega.

the class ControllerImpl method listStreamsForTag.

@Override
public AsyncIterator<Stream> listStreamsForTag(String scopeName, String tag) {
    Exceptions.checkNotClosed(closed.get(), this);
    long traceId = LoggerHelpers.traceEnter(log, LIST_STREAMS_IN_SCOPE_FOR_TAG, scopeName);
    long requestId = requestIdGenerator.get();
    try {
        final Function<ContinuationToken, CompletableFuture<Map.Entry<ContinuationToken, Collection<Stream>>>> function = token -> this.retryConfig.runAsync(() -> {
            RPCAsyncCallback<StreamsInScopeResponse> callback = new RPCAsyncCallback<>(requestId, LIST_STREAMS_IN_SCOPE_FOR_TAG, scopeName);
            ScopeInfo scopeInfo = ScopeInfo.newBuilder().setScope(scopeName).build();
            StreamsInScopeWithTagRequest request = StreamsInScopeWithTagRequest.newBuilder().setScope(scopeInfo).setContinuationToken(token).setTag(tag).build();
            new ControllerClientTagger(client, timeoutMillis).withTag(requestId, LIST_STREAMS_IN_SCOPE_FOR_TAG, scopeName).listStreamsInScopeForTag(request, callback);
            return callback.getFuture().thenApplyAsync(x -> {
                switch(x.getStatus()) {
                    case SCOPE_NOT_FOUND:
                        log.warn(requestId, "Scope not found: {}", scopeName);
                        throw new NoSuchScopeException();
                    case FAILURE:
                        log.warn(requestId, "Internal Server Error while trying to list streams in scope: {} with tag: {}", scopeName, tag);
                        throw new RuntimeException("Failure while trying to list streams with tag");
                    case SUCCESS:
                    // compatibility reasons
                    default:
                        List<Stream> result = x.getStreamsList().stream().map(y -> new StreamImpl(y.getScope(), y.getStream())).collect(Collectors.toList());
                        return new AbstractMap.SimpleEntry<>(x.getContinuationToken(), result);
                }
            }, this.executor);
        }, this.executor);
        return new ContinuationTokenAsyncIterator<>(function, ContinuationToken.newBuilder().build());
    } finally {
        LoggerHelpers.traceLeave(log, LIST_STREAMS_IN_SCOPE_FOR_TAG, traceId);
    }
}
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Aggregations

VisibleForTesting (com.google.common.annotations.VisibleForTesting)2 Preconditions (com.google.common.base.Preconditions)2 Strings (com.google.common.base.Strings)2 ManagedChannel (io.grpc.ManagedChannel)2 ManagedChannelBuilder (io.grpc.ManagedChannelBuilder)2 Code (io.grpc.Status.Code)2 StatusRuntimeException (io.grpc.StatusRuntimeException)2 MoreCallCredentials (io.grpc.auth.MoreCallCredentials)2 GrpcSslContexts (io.grpc.netty.shaded.io.grpc.netty.GrpcSslContexts)2 NegotiationType (io.grpc.netty.shaded.io.grpc.netty.NegotiationType)2 NettyChannelBuilder (io.grpc.netty.shaded.io.grpc.netty.NettyChannelBuilder)2 SslContextBuilder (io.grpc.netty.shaded.io.netty.handler.ssl.SslContextBuilder)2 StreamObserver (io.grpc.stub.StreamObserver)2 KeyValueTableInfo (io.pravega.client.admin.KeyValueTableInfo)2 ModelHelper.encode (io.pravega.client.control.impl.ModelHelper.encode)2 Segment (io.pravega.client.segment.impl.Segment)2 InvalidStreamException (io.pravega.client.stream.InvalidStreamException)2 NoSuchScopeException (io.pravega.client.stream.NoSuchScopeException)2 PingFailedException (io.pravega.client.stream.PingFailedException)2 ReaderGroupConfig (io.pravega.client.stream.ReaderGroupConfig)2