content: /**
   * 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 io.jafka.mx;
  
  import java.text.SimpleDateFormat;
  import java.util.Date;
  import java.util.concurrent.atomic.AtomicLong;
  
  import io.jafka.log.Log;
  
  /**
   * @author adyliu (imxylz@gmail.com)
   * @since 1.0
   */
  public class LogStats implements LogStatsMBean, IMBeanName {
  
      final Log log;
  
      private final AtomicLong numCumulatedMessages = new AtomicLong(0);
  
      private String mbeanName;
  
      public LogStats(Log log) {
          this.log = log;
      }
  
      public String getMbeanName() {
          return mbeanName;
      }
  
      public void setMbeanName(String mbeanName) {
          this.mbeanName = mbeanName;
      }
  
      public String getName() {
          return log.name;
      }
  
      public void recordAppendedMessages(int nMessages) {
          numCumulatedMessages.getAndAdd(nMessages);
      }
  
      @Override
      public int getSegmentNum() {
          return log.getNumberOfSegments();
      }
  
      @Override
      public long getStartingAppendedMessagesNum() {
          return numCumulatedMessages.get();
      }
  
      @Override
      public long getLastSegmentSize() {
          return log.getHighwaterMark();
      }
  
      @Override
      public long getLastSegmentAddressingSize() {
          return log.getLastSegmentAddressingSize();
      }
  
      @Override
      public long getTotalSegmentSize() {
          return log.size();
      }
  
      @Override
      public long getTotalOffset() {
          return log.getTotalOffset();
      }
  
      @Override
      public String getLastFlushedTime() {
          long time = log.getLastFlushedTime();
          if (time == 0) return "--";
          SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
          return format.format(new Date(time));
      }
  }
  