| /** |
| * 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.bookkeeper.util; |
| |
| import java.util.function.Consumer; |
| |
| /** |
| * A SafeRunnable implementation. |
| */ |
| public abstract class SafeRunnable implements org.apache.bookkeeper.common.util.SafeRunnable { |
| |
| /** |
| * Utility method to use SafeRunnable from lambdas. |
| * |
| * <p>Eg: |
| * <pre> |
| * <code> |
| * executor.submit(SafeRunnable.safeRun(() -> { |
| * // My not-safe code |
| * }); |
| * </code> |
| * </pre> |
| */ |
| public static SafeRunnable safeRun(Runnable runnable) { |
| return new SafeRunnable() { |
| @Override |
| public void safeRun() { |
| runnable.run(); |
| } |
| }; |
| } |
| |
| /** |
| * Utility method to use SafeRunnable from lambdas with |
| * a custom exception handler. |
| * |
| * <p>Eg: |
| * <pre> |
| * <code> |
| * executor.submit(SafeRunnable.safeRun(() -> { |
| * // My not-safe code |
| * }, exception -> { |
| * // Handle exception |
| * ); |
| * </code> |
| * </pre> |
| * |
| * @param runnable |
| * @param exceptionHandler |
| * handler that will be called when there are any exception |
| * @return |
| */ |
| public static SafeRunnable safeRun(Runnable runnable, Consumer<Throwable> exceptionHandler) { |
| return new SafeRunnable() { |
| @Override |
| public void safeRun() { |
| try { |
| runnable.run(); |
| } catch (Throwable t) { |
| exceptionHandler.accept(t); |
| throw t; |
| } |
| } |
| }; |
| } |
| } |