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.client;
  
  import java.util.Enumeration;
  
  /**
   * Implements objects to help with the synchronization of asynchronous calls.
   *
   */
  
  class SyncCounter {
      int i;
      int rc;
      int total;
      Enumeration<LedgerEntry> seq = null;
      LedgerHandle lh = null;
  
      synchronized void inc() {
          i++;
          total++;
      }
  
      synchronized void dec() {
          i--;
          notifyAll();
      }
  
      synchronized void block(int limit) throws InterruptedException {
          while (i > limit) {
              int prev = i;
              wait();
              if (i == prev) {
                  break;
              }
          }
      }
  
      synchronized int total() {
          return total;
      }
  
      void setrc(int rc) {
          this.rc = rc;
      }
  
      int getrc() {
          return rc;
      }
  
      void setSequence(Enumeration<LedgerEntry> seq) {
          this.seq = seq;
      }
  
      Enumeration<LedgerEntry> getSequence() {
          return seq;
      }
  
      void setLh(LedgerHandle lh) {
          this.lh = lh;
      }
  
      LedgerHandle getLh() {
          return lh;
      }
  }
  