/* | |
* Copyright 1999-2011 Alibaba Group. | |
* | |
* Licensed 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 com.alibaba.dubbo.rpc.protocol.dubbo; | |
import java.util.concurrent.ExecutionException; | |
import java.util.concurrent.Future; | |
import java.util.concurrent.TimeUnit; | |
import java.util.concurrent.TimeoutException; | |
import com.alibaba.dubbo.common.utils.StringUtils; | |
import com.alibaba.dubbo.remoting.RemotingException; | |
import com.alibaba.dubbo.remoting.exchange.ResponseFuture; | |
import com.alibaba.dubbo.rpc.Result; | |
import com.alibaba.dubbo.rpc.RpcException; | |
/** | |
* FutureAdapter | |
* | |
* @author william.liangf | |
*/ | |
public class FutureAdapter<V> implements Future<V> { | |
private final ResponseFuture future; | |
public FutureAdapter(ResponseFuture future){ | |
this.future = future; | |
} | |
public ResponseFuture getFuture() { | |
return future; | |
} | |
public boolean cancel(boolean mayInterruptIfRunning) { | |
return false; | |
} | |
public boolean isCancelled() { | |
return false; | |
} | |
public boolean isDone() { | |
return future.isDone(); | |
} | |
@SuppressWarnings("unchecked") | |
public V get() throws InterruptedException, ExecutionException { | |
try { | |
return (V) (((Result) future.get()).recreate()); | |
} catch (RemotingException e) { | |
throw new ExecutionException(e.getMessage(), e); | |
} catch (Throwable e) { | |
throw new RpcException(e); | |
} | |
} | |
@SuppressWarnings("unchecked") | |
public V get(long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException { | |
int timeoutInMillis = (int) unit.convert(timeout, TimeUnit.MILLISECONDS); | |
try { | |
return (V) (((Result) future.get(timeoutInMillis)).recreate()); | |
} catch (com.alibaba.dubbo.remoting.TimeoutException e) { | |
throw new TimeoutException(StringUtils.toString(e)); | |
} catch (RemotingException e) { | |
throw new ExecutionException(e.getMessage(), e); | |
} catch (Throwable e) { | |
throw new RpcException(e); | |
} | |
} | |
} |