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 org.apache.bookkeeper.metadata.etcd;
  
  import io.etcd.jetcd.ByteSequence;
  
  /**
   * Constants used in the Etcd metadata drivers.
   */
  final class EtcdConstants {
  
      private EtcdConstants() {}
  
      public static final String END_SEP = "0";
  
      public static final String LAYOUT_NODE = "layout";
      public static final String INSTANCEID_NODE = "instanceid";
      public static final String COOKIES_NODE = "cookies";
      public static final String LEDGERS_NODE = "ledgers";
      public static final String BUCKETS_NODE = "buckets";
  
      //
      // membership related constants
      //
  
      public static final String MEMBERS_NODE = "bookies";
      public static final String WRITEABLE_NODE = "writable";
      public static final String READONLY_NODE = "readonly";
  
      //
      // underreplication related constants
      //
  
      public static final String UR_NODE = "underreplication";
  
      public static final ByteSequence EMPTY_BS  = ByteSequence.from(new byte[0]);
  
  }
  