| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * 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.intellij.concurrency; |
| |
| import com.google.common.util.concurrent.SettableFuture; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Executor; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| /** |
| * Author: dmitrylomov |
| */ |
| public class AsyncFutureResultImpl<V> implements AsyncFutureResult<V> { |
| private final SettableFuture<V> myFuture; |
| |
| public AsyncFutureResultImpl() { |
| myFuture = SettableFuture.create(); |
| } |
| |
| @Override |
| public void addConsumer(@NotNull Executor executor, @NotNull final ResultConsumer<V> consumer) { |
| myFuture.addListener(new Runnable() { |
| @Override |
| public void run() { |
| try { |
| final V result = myFuture.get(); |
| consumer.onSuccess(result); |
| } |
| catch (ExecutionException e) { |
| consumer.onFailure(e.getCause()); |
| } |
| catch (Throwable throwable) { |
| consumer.onFailure(throwable); |
| } |
| } |
| }, executor); |
| } |
| |
| @Override |
| public boolean cancel(boolean mayInterruptIfRunning) { |
| return myFuture.cancel(mayInterruptIfRunning); |
| } |
| |
| @Override |
| public boolean isCancelled() { |
| return myFuture.isCancelled(); |
| } |
| |
| @Override |
| public boolean isDone() { |
| return myFuture.isDone(); |
| } |
| |
| @Override |
| public V get() throws InterruptedException, ExecutionException { |
| return myFuture.get(); |
| } |
| |
| @Override |
| public V get(long timeout, @NotNull TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException { |
| return myFuture.get(timeout, unit); |
| } |
| |
| @Override |
| public void set(V value) { |
| if (!myFuture.set(value)) { |
| throw new Error("already set"); |
| } |
| } |
| |
| @Override |
| public void setException(@NotNull Throwable t) { |
| if (!myFuture.setException(t)) { |
| throw new Error("already excepted"); |
| } |
| } |
| } |