| /** |
| * 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.yarn; |
| |
| import org.apache.hadoop.classification.InterfaceAudience.Public; |
| import org.apache.hadoop.classification.InterfaceStability.Unstable; |
| import org.apache.log4j.RollingFileAppender; |
| |
| import java.io.File; |
| import java.io.Flushable; |
| |
| /** |
| * A simple log4j-appender for container's logs. |
| * |
| */ |
| @Public |
| @Unstable |
| public class ContainerRollingLogAppender extends RollingFileAppender |
| implements Flushable { |
| private String containerLogDir; |
| private String containerLogFile; |
| |
| @Override |
| public void activateOptions() { |
| synchronized (this) { |
| setFile(new File(this.containerLogDir, containerLogFile).toString()); |
| setAppend(true); |
| super.activateOptions(); |
| } |
| } |
| |
| @Override |
| public void flush() { |
| if (qw != null) { |
| qw.flush(); |
| } |
| } |
| |
| /** |
| * Getter/Setter methods for log4j. |
| */ |
| |
| public String getContainerLogDir() { |
| return this.containerLogDir; |
| } |
| |
| public void setContainerLogDir(String containerLogDir) { |
| this.containerLogDir = containerLogDir; |
| } |
| |
| public String getContainerLogFile() { |
| return containerLogFile; |
| } |
| |
| public void setContainerLogFile(String containerLogFile) { |
| this.containerLogFile = containerLogFile; |
| } |
| } |