AsyncResult properly propagates execution exception

Issue: SPR-14249
(cherry picked from commit 1b1aac9)
This commit is contained in:
Juergen Hoeller
2016-05-05 20:40:30 +02:00
parent 2dbc8b0381
commit 5fc0d43852
2 changed files with 101 additions and 5 deletions

View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -37,6 +37,7 @@ import org.springframework.util.concurrent.SuccessCallback;
* to the caller.
*
* @author Juergen Hoeller
* @author Rossen Stoyanchev
* @since 3.0
* @see Async
* @see #forValue(Object)
@@ -102,11 +103,17 @@ public class AsyncResult<V> implements ListenableFuture<V> {
@Override
public void addCallback(SuccessCallback<? super V> successCallback, FailureCallback failureCallback) {
try {
successCallback.onSuccess(this.value);
if (this.executionException != null) {
Throwable cause = this.executionException.getCause();
failureCallback.onFailure(cause != null ? cause : this.executionException);
}
catch (Throwable ex) {
failureCallback.onFailure(ex);
else {
try {
successCallback.onSuccess(this.value);
}
catch (Throwable ex) {
failureCallback.onFailure(ex);
}
}
}

View File

@@ -0,0 +1,89 @@
/*
* Copyright 2002-2016 the original author or authors.
*
* 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 org.springframework.scheduling.annotation;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
import org.junit.Test;
import org.springframework.util.concurrent.ListenableFuture;
import org.springframework.util.concurrent.ListenableFutureCallback;
import static org.junit.Assert.*;
/**
* @author Juergen Hoeller
*/
public class AsyncResultTests {
@Test
public void asyncResultWithCallbackAndValue() {
String value = "val";
final Set<String> values = new HashSet<>(1);
ListenableFuture<String> future = AsyncResult.forValue(value);
future.addCallback(new ListenableFutureCallback<String>() {
@Override
public void onSuccess(String result) {
values.add(result);
}
@Override
public void onFailure(Throwable ex) {
fail("Failure callback not expected: " + ex);
}
});
assertSame(value, values.iterator().next());
}
@Test
public void asyncResultWithCallbackAndException() {
IOException ex = new IOException();
final Set<Throwable> values = new HashSet<>(1);
ListenableFuture<String> future = AsyncResult.forExecutionException(ex);
future.addCallback(new ListenableFutureCallback<String>() {
@Override
public void onSuccess(String result) {
fail("Success callback not expected: " + result);
}
@Override
public void onFailure(Throwable ex) {
values.add(ex);
}
});
assertSame(ex, values.iterator().next());
}
@Test
public void asyncResultWithSeparateCallbacksAndValue() {
String value = "val";
final Set<String> values = new HashSet<>(1);
ListenableFuture<String> future = AsyncResult.forValue(value);
future.addCallback(values::add, (ex) -> fail("Failure callback not expected: " + ex));
assertSame(value, values.iterator().next());
}
@Test
public void asyncResultWithSeparateCallbacksAndException() {
IOException ex = new IOException();
final Set<Throwable> values = new HashSet<>(1);
ListenableFuture<String> future = AsyncResult.forExecutionException(ex);
future.addCallback((result) -> fail("Success callback not expected: " + result), values::add);
assertSame(ex, values.iterator().next());
}
}