| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.crail.namenode.rpc.darpc; |
| |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| import org.apache.crail.rpc.RpcFuture; |
| |
| import com.ibm.darpc.DaRPCFuture; |
| |
| public class DaRPCNameNodeFuture<T> implements RpcFuture<T> { |
| private DaRPCFuture<DaRPCNameNodeRequest, DaRPCNameNodeResponse> future; |
| private boolean prefetched; |
| private T response; |
| |
| public DaRPCNameNodeFuture(DaRPCFuture<DaRPCNameNodeRequest, DaRPCNameNodeResponse> future, T response) { |
| this.future = future; |
| this.response = response; |
| this.prefetched = false; |
| } |
| |
| @Override |
| public T get() throws InterruptedException, ExecutionException { |
| future.get(); |
| return response; |
| } |
| |
| @Override |
| public T get(long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException { |
| future.get(timeout, unit); |
| return response; |
| } |
| |
| @Override |
| public boolean isDone() { |
| return future.isDone(); |
| } |
| |
| @Override |
| public int getTicket() { |
| return future.getTicket(); |
| } |
| |
| @Override |
| public boolean isPrefetched() { |
| return prefetched; |
| } |
| |
| @Override |
| public void setPrefetched(boolean prefetched) { |
| this.prefetched = prefetched; |
| } |
| |
| @Override |
| public boolean cancel(boolean mayInterruptIfRunning) { |
| return future.cancel(mayInterruptIfRunning); |
| } |
| |
| @Override |
| public boolean isCancelled() { |
| return future.isCancelled(); |
| } |
| } |