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GwtFluentFutureCatchingSpecialization.java
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GwtFluentFutureCatchingSpecialization.java
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/*
* Copyright (C) 2006 The Guava 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 com.google.common.util.concurrent;
import com.google.common.base.Function;
import java.util.concurrent.Executor;
/**
* Hidden superclass of {@link FluentFuture} that provides us a place to declare special GWT
* versions of the {@link FluentFuture#catching(Class, com.google.common.base.Function)
* FluentFuture.catching} family of methods. Those versions have slightly different signatures.
*/
abstract class GwtFluentFutureCatchingSpecialization<V> extends AbstractFuture<V> {
/*
* In the GWT versions of the methods (below), every exceptionType parameter is required to be
* Class<Throwable>. To handle only certain kinds of exceptions under GWT, you'll need to write
* your own instanceof tests.
*/
public final FluentFuture<V> catching(
Class<Throwable> exceptionType,
Function<? super Throwable, ? extends V> fallback,
Executor executor) {
return (FluentFuture<V>) Futures.catching(this, exceptionType, fallback, executor);
}
public final FluentFuture<V> catchingAsync(
Class<Throwable> exceptionType,
AsyncFunction<? super Throwable, ? extends V> fallback,
Executor executor) {
return (FluentFuture<V>) Futures.catchingAsync(this, exceptionType, fallback, executor);
}
}