com.watchrabbit.executor.command.SilentFailExecutorCommand Maven / Gradle / Ivy
/*
* Copyright 2014 Mariusz.
*
* 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.watchrabbit.executor.command;
import com.watchrabbit.executor.wrapper.CheckedRunnable;
import com.watchrabbit.executor.wrapper.CommandConfig;
import java.util.concurrent.Callable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author Mariusz
*/
public class SilentFailExecutorCommand extends ExecutorCommand {
private static final Logger LOGGER = LoggerFactory.getLogger(SilentFailExecutorCommand.class);
protected SilentFailExecutorCommand(CommandConfig config) {
super(config);
}
/**
* Suppressing exceptions version of the same method from
* {@code ExecutorCommand}. Invokes code synchronously with circuit breaker
* and cache if configured.
*
* @param type of returned value
* @param callable invoked by executor to return value
* @return {@code V} value returned by callable
*/
@Override
public V invoke(Callable callable) {
try {
return super.invoke(callable);
} catch (Exception ex) {
LOGGER.debug("Catched exception, suppressing, returning null", ex);
return null;
}
}
/**
* Suppressing exceptions version of the same method from
* {@code ExecutorCommand}. Invokes code synchronously with circuit breaker.
*
* @param runnable invoked by executor
*/
@Override
public void invoke(CheckedRunnable runnable) {
try {
super.invoke(runnable);
} catch (Exception ex) {
LOGGER.debug("Catched exception, suppressing", ex);
}
}
}