Java tutorial
/* * Copyright (C) 2011 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.annotations.GwtCompatible; import javax.annotation.Nullable; /** * Unchecked variant of {@link java.util.concurrent.ExecutionException}. As with * {@code ExecutionException}, the exception's {@linkplain #getCause() cause} * comes from a failed task, possibly run in another thread. * * <p>{@code UncheckedExecutionException} is intended as an alternative to * {@code ExecutionException} when the exception thrown by a task is an * unchecked exception. However, it may also wrap a checked exception in some * cases. * * <p>When wrapping an {@code Error} from another thread, prefer {@link * ExecutionError}. When wrapping a checked exception, prefer {@code * ExecutionException}. * * @author Charles Fry * @since 10.0 */ @GwtCompatible public class UncheckedExecutionException extends RuntimeException { /** * Creates a new instance with {@code null} as its detail message. */ protected UncheckedExecutionException() { } /** * Creates a new instance with the given detail message. */ protected UncheckedExecutionException(@Nullable String message) { super(message); } /** * Creates a new instance with the given detail message and cause. */ public UncheckedExecutionException(@Nullable String message, @Nullable Throwable cause) { super(message, cause); } /** * Creates a new instance with the given cause. */ public UncheckedExecutionException(@Nullable Throwable cause) { super(cause); } private static final long serialVersionUID = 0; }