kafka LogLevelConfig 源码
kafka LogLevelConfig 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/config/LogLevelConfig.java
/*
* 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.kafka.common.config;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
/**
* This class holds definitions for log level configurations related to Kafka's application logging. See KIP-412 for additional information
*/
public class LogLevelConfig {
/*
* NOTE: DO NOT CHANGE EITHER CONFIG NAMES AS THESE ARE PART OF THE PUBLIC API AND CHANGE WILL BREAK USER CODE.
*/
/**
* The <code>FATAL</code> level designates a very severe error
* that will lead the Kafka broker to abort.
*/
public static final String FATAL_LOG_LEVEL = "FATAL";
/**
* The <code>ERROR</code> level designates error events that
* might still allow the broker to continue running.
*/
public static final String ERROR_LOG_LEVEL = "ERROR";
/**
* The <code>WARN</code> level designates potentially harmful situations.
*/
public static final String WARN_LOG_LEVEL = "WARN";
/**
* The <code>INFO</code> level designates informational messages
* that highlight normal Kafka events at a coarse-grained level
*/
public static final String INFO_LOG_LEVEL = "INFO";
/**
* The <code>DEBUG</code> level designates fine-grained
* informational events that are most useful to debug Kafka
*/
public static final String DEBUG_LOG_LEVEL = "DEBUG";
/**
* The <code>TRACE</code> level designates finer-grained
* informational events than the <code>DEBUG</code> level.
*/
public static final String TRACE_LOG_LEVEL = "TRACE";
public static final Set<String> VALID_LOG_LEVELS = new HashSet<>(Arrays.asList(
FATAL_LOG_LEVEL, ERROR_LOG_LEVEL, WARN_LOG_LEVEL,
INFO_LOG_LEVEL, DEBUG_LOG_LEVEL, TRACE_LOG_LEVEL
));
}
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