3 changed files with 34 additions and 67 deletions
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/** |
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* Copyright © 2016-2018 The Thingsboard Authors |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.thingsboard.server.service.cluster.rpc; |
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import io.grpc.stub.StreamObserver; |
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import org.thingsboard.server.gen.cluster.ClusterAPIProtos; |
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import java.util.concurrent.*; |
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/** |
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* @author Andrew Shvayka |
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*/ |
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public class RpcSessionCreationFuture implements Future<StreamObserver<ClusterAPIProtos.ToRpcServerMessage>> { |
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private final BlockingQueue<StreamObserver<ClusterAPIProtos.ToRpcServerMessage>> queue = new ArrayBlockingQueue<>(1); |
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public void onMsg(StreamObserver<ClusterAPIProtos.ToRpcServerMessage> result) throws InterruptedException { |
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queue.put(result); |
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} |
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@Override |
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public boolean cancel(boolean mayInterruptIfRunning) { |
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return false; |
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} |
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@Override |
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public boolean isCancelled() { |
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return false; |
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} |
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@Override |
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public boolean isDone() { |
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return false; |
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} |
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@Override |
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public StreamObserver<ClusterAPIProtos.ToRpcServerMessage> get() throws InterruptedException, ExecutionException { |
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return this.queue.take(); |
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} |
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@Override |
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public StreamObserver<ClusterAPIProtos.ToRpcServerMessage> get(long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException { |
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StreamObserver<ClusterAPIProtos.ToRpcServerMessage> result = this.queue.poll(timeout, unit); |
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if (result == null) { |
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throw new TimeoutException(); |
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} else { |
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return result; |
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} |
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} |
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} |
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