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.replication;
  
  import java.util.List;
  import org.apache.zookeeper.KeeperException;
  import org.apache.zookeeper.ZooKeeper;
  
  /**
   * Utility class for replication tests.
   */
  public class ReplicationTestUtil {
  
      /**
       * Checks whether ledger is in under-replication.
       */
      public static boolean isLedgerInUnderReplication(ZooKeeper zkc, long id,
              String basePath) throws KeeperException, InterruptedException {
          List<String> children;
          try {
              children = zkc.getChildren(basePath, true);
          } catch (KeeperException.NoNodeException nne) {
              return false;
          }
  
          boolean isMatched = false;
          for (String child : children) {
              if (child.startsWith("urL") && child.contains(String.valueOf(id))) {
                  isMatched = true;
                  break;
              } else {
                  String path = basePath + '/' + child;
                  try {
                      if (zkc.getChildren(path, false).size() > 0) {
                          isMatched = isLedgerInUnderReplication(zkc, id, path);
                      }
                  } catch (KeeperException.NoNodeException nne) {
                      return false;
                  }
              }
  
          }
          return isMatched;
      }
  }
  