hbase-common/src/main/java/org/apache/hadoop/hbase/AsyncConsoleAppender.java

   1 /**
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements.  See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership.  The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License.  You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18 package org.apache.hadoop.hbase;
  19
  20 import org.apache.log4j.AsyncAppender;
  21 import org.apache.log4j.ConsoleAppender;
  22 import org.apache.log4j.PatternLayout;
  23 import org.apache.yetus.audience.InterfaceAudience;
  24
  25 /**
  26  * Logger class that buffers before trying to log to the specified console.
  27  */
  28 @InterfaceAudience.Private
  29 public class AsyncConsoleAppender extends AsyncAppender {
  30   private final ConsoleAppender consoleAppender;
  31
  32   public AsyncConsoleAppender() {
  33     super();
  34     consoleAppender = new ConsoleAppender(new PatternLayout(
  35         "%d{ISO8601} %-5p [%t] %c{2}: %m%n"));
  36     this.addAppender(consoleAppender);
  37   }
  38
  39   public void setTarget(String value) {
  40     consoleAppender.setTarget(value);
  41   }
  42
  43   @Override
  44   public void activateOptions() {
  45     consoleAppender.activateOptions();
  46     super.activateOptions();
  47   }
  48
  49 }