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.proto;
  
  import io.netty.buffer.ByteBuf;
  import java.util.Map;
  import java.util.TreeMap;
  
  /**
      Mock ledger data.
   */
  public class MockLedgerData {
      final long ledgerId;
      boolean isFenced;
      private TreeMap<Long, ByteBuf> entries = new TreeMap<>();
  
      MockLedgerData(long ledgerId) {
          this.ledgerId = ledgerId;
      }
  
      boolean isFenced() {
          return isFenced;
      }
  
      void fence() {
          isFenced = true;
      }
  
      void addEntry(long entryId, ByteBuf entry) {
          entries.put(entryId, entry);
      }
  
      ByteBuf getEntry(long entryId) {
          if (entryId == BookieProtocol.LAST_ADD_CONFIRMED) {
              Map.Entry<Long, ByteBuf> lastEntry = entries.lastEntry();
              if (lastEntry != null) {
                  return lastEntry.getValue();
              } else {
                  return null;
              }
          } else {
              return entries.get(entryId);
          }
      }
  }
  