text: /*
   * 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.zookeeper.server.quorum;
  
  import org.apache.zookeeper.server.ZooKeeperServerMXBean;
  
  /**
   * Leader MBean.
   */
  public interface LeaderMXBean extends ZooKeeperServerMXBean {
  
      /**
       * Current zxid of cluster.
       */
      String getCurrentZxid();
  
      /**
       * @return information on current followers
       */
      String followerInfo();
  
      /**
       * @return information about current non-voting followers
       */
      String nonVotingFollowerInfo();
  
      /**
       * @return time taken for leader election in milliseconds.
       */
      long getElectionTimeTaken();
  
      /**
       * @return size of latest generated proposal
       */
      int getLastProposalSize();
  
      /**
       * @return size of smallest generated proposal
       */
      int getMinProposalSize();
  
      /**
       * @return size of largest generated proposal
       */
      int getMaxProposalSize();
  
      /**
       * Resets statistics of proposal size (min/max/last)
       */
      void resetProposalStatistics();
  
      /**
       * @return Number of concurrent snapshots permitted to send to observers
       */
      int getMaxConcurrentSnapSyncs();
  
      /**
       * @param maxConcurrentSnapSyncs Number of concurrent snapshots permitted to send to observers
       */
      void setMaxConcurrentSnapSyncs(int maxConcurrentSnapSyncs);
  
      /**
       * @return Number of concurrent diff syncs permitted to send to observers
       */
      int getMaxConcurrentDiffSyncs();
  
      /**
       * @param maxConcurrentDiffSyncs Number of concurrent diff syncs permitted to send to observers
       */
      void setMaxConcurrentDiffSyncs(int maxConcurrentDiffSyncs);
  
  }
  