org.apache.hadoop.hive.ql.log.PidFilePatternConverter Maven / Gradle / Ivy
/*
* 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.hadoop.hive.ql.log;
import java.lang.management.ManagementFactory;
import org.apache.logging.log4j.core.config.plugins.Plugin;
import org.apache.logging.log4j.core.config.plugins.PluginFactory;
import org.apache.logging.log4j.core.pattern.AbstractPatternConverter;
import org.apache.logging.log4j.core.pattern.ArrayPatternConverter;
import org.apache.logging.log4j.core.pattern.ConverterKeys;
/**
* FilePattern converter that converts %pid pattern to @ information
* obtained at runtime.
*
* Example usage:
*
*
* Will generate output file with name containing @ like below
* [email protected]
*/
@Plugin(name = "PidFilePatternConverter", category = "FileConverter")
@ConverterKeys({ "pid" })
public class PidFilePatternConverter extends AbstractPatternConverter implements
ArrayPatternConverter {
/**
* Private constructor.
*/
private PidFilePatternConverter() {
super("pid", "pid");
}
@PluginFactory
public static PidFilePatternConverter newInstance() {
return new PidFilePatternConverter();
}
public void format(StringBuilder toAppendTo, Object... objects) {
toAppendTo.append(ManagementFactory.getRuntimeMXBean().getName());
}
public void format(Object obj, StringBuilder toAppendTo) {
toAppendTo.append(ManagementFactory.getRuntimeMXBean().getName());
}
}