| /* |
| * 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.ignite.internal.util.future; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.internal.IgniteFutureTimeoutCheckedException; |
| import org.apache.ignite.internal.IgniteInternalFuture; |
| import org.apache.ignite.internal.util.typedef.C2; |
| import org.apache.ignite.lang.IgniteBiClosure; |
| import org.apache.ignite.testframework.junits.GridTestKernalContext; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.junit.Test; |
| |
| import static java.util.concurrent.TimeUnit.SECONDS; |
| import static org.apache.ignite.configuration.CacheConfiguration.DFLT_MAX_CONCURRENT_ASYNC_OPS; |
| |
| /** |
| * Tests grid embedded future use cases. |
| */ |
| public class GridEmbeddedFutureSelfTest extends GridCommonAbstractTest { |
| /** |
| * Test kernal context. |
| */ |
| private GridTestKernalContext ctx; |
| |
| /** {@inheritDoc} */ |
| @Override protected void beforeTest() throws Exception { |
| ctx = new GridTestKernalContext(log); |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testFutureChain() throws Exception { |
| GridFutureAdapter<Integer> fut = new GridFutureAdapter<>(); |
| |
| IgniteInternalFuture<Integer> cur = fut; |
| |
| for (int i = 0; i < DFLT_MAX_CONCURRENT_ASYNC_OPS; i++) { |
| cur = new GridEmbeddedFuture<>(cur, |
| new IgniteBiClosure<Integer, Exception, IgniteInternalFuture<Integer>>() { |
| @Override public IgniteInternalFuture<Integer> apply(Integer o, Exception e) { |
| return new GridFinishedFuture<>(o); |
| } |
| }); |
| } |
| |
| fut.onDone(1); |
| } |
| |
| /** |
| * Test embedded future completes when internal future finishes. |
| * |
| * @throws Exception If failed. |
| */ |
| @SuppressWarnings("ErrorNotRethrown") |
| @Test |
| public void testFutureCompletesCorrectly() throws Exception { |
| List<Throwable> list = Arrays.asList( |
| null, |
| new RuntimeException("Test runtime exception (should be ignored)."), |
| new IllegalStateException("Test illegal state exception (should be ignored)."), |
| new Error("Test error (should be ignored)."), |
| new AssertionError("Test assertion (should be ignored)."), |
| new OutOfMemoryError("Test out of memory error (should be ignored)."), |
| new StackOverflowError("Test stack overflow error (should be ignored).") |
| ); |
| |
| for (final Throwable x : list) { |
| // Original future. |
| final GridFutureAdapter<Integer> origFut = new GridFutureAdapter<>(); |
| |
| // Embedded future to test. |
| GridEmbeddedFuture<Double, Integer> embFut = new GridEmbeddedFuture<>( |
| new C2<Integer, Exception, Double>() { |
| @Override public Double apply(Integer val, Exception e) { |
| if (x instanceof Error) |
| throw (Error)x; |
| |
| if (x instanceof RuntimeException) |
| throw (RuntimeException)x; |
| |
| assert x == null : "Only runtime exceptions and errors applicable for testing exception: " + x; |
| |
| return null; |
| } |
| }, |
| origFut); |
| |
| assertFalse("Expect original future is not complete.", origFut.isDone()); |
| assertFalse("Expect embedded future is not complete.", embFut.isDone()); |
| |
| // Finish original future in separate thread. |
| Thread t = new Thread() { |
| @Override public void run() { |
| origFut.onDone(100); |
| } |
| }; |
| |
| t.start(); |
| t.join(); |
| |
| assertTrue("Expect original future is complete.", origFut.isDone()); |
| assertTrue("Expect embedded future is complete.", embFut.isDone()); |
| |
| // Wait for embedded future completes. |
| try { |
| embFut.get(1, SECONDS); |
| } |
| catch (IgniteFutureTimeoutCheckedException e) { |
| fail("Failed with timeout exception: " + e); |
| } |
| catch (IgniteCheckedException e) { |
| info("Failed with unhandled exception (normal behaviour): " + e); |
| |
| assertSame(x, e.getCause(x.getClass())); |
| } |
| catch (Error e) { |
| info("Failed with unhandled error (normal behaviour): " + e); |
| |
| assertSame(x, e); |
| } |
| } |
| } |
| } |