content: /*
   *  Licensed 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.
   *
   *  See the NOTICE file distributed with this work for additional
   *  information regarding copyright ownership.
   */
  
  package org.seaborne.delta.server.local.patchstores.zk;
  
  public class ZkConst {
  
      /* The ZooKeeper naming:
       * /delta/lock                          Store-wide lock
       * /delta/activeLocks/NAME              Indicate a log is active.
       *
       * Per log:
       * /delta/logs/NAME
       * /delta/logs/NAME/dsd
       * /delta/logs/NAME/lock
       * /delta/logs/NAME/state               (first_version: ,  DataSourceDescription)
       * /delta/logs/NAME/versions/00000000   Patch ids.
       * /delta/logs/NAME/header/00000000     Patches, JSON state (optional).
       *
       *
       * When including patch storage:
       *   /delta/logs/NAME/patches/
       */
  
      // Convention: p* is a path, n* is a zNode name.
  
      // Server
      static final String pRootDefault    = "/delta";
      static final String pLogs           = "logs";
      static final String pStoreLock      = "lock";
      static final String pActiveLogs     = "activeLogs";
  
      // Per patch log names.
      static final String nDsd            = "dsd";
      static final String nState          = "state";
      static final String nPatches        = "patches";
      static final String nLock           = "lock";
      static final String nLockState      = "noprefixlockState";
  
      // Version to id.
      static final String nVersions       = "versions";
      // Id to (version, id, prev).
      static final String nHeaders        = "header";
  }
  