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/**
* 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;
}
}
};
}
}