/
LoggingCallback.java
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/
LoggingCallback.java
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/*
* Copyright (c) 2010-2018. Axon Framework
*
* 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 org.axonframework.commandhandling.callbacks;
import org.axonframework.commandhandling.CommandCallback;
import org.axonframework.commandhandling.CommandMessage;
import org.axonframework.commandhandling.CommandResultMessage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* CommandCallback implementation that simply logs the results of a command.
*
* @author Allard Buijze
* @since 2.0
*/
public class LoggingCallback implements CommandCallback<Object, Object> {
private static final Logger logger = LoggerFactory.getLogger(LoggingCallback.class);
/**
* The singleton instance for this callback
*/
public static final LoggingCallback INSTANCE = new LoggingCallback();
private LoggingCallback() {
}
@Override
public void onSuccess(CommandMessage message, CommandResultMessage commandResultMessage) {
logger.info("Command executed successfully: {}", message.getCommandName());
}
@Override
public void onFailure(CommandMessage<?> message, Throwable cause) {
logger.warn("Command resulted in exception: {}", message.getCommandName(), cause);
}
}