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.bookie;
  
  import java.io.IOException;
  import java.util.Map;
  import java.util.concurrent.ConcurrentHashMap;
  import java.util.function.BiConsumer;
  
  /**
   * In-memory metadata-store to store entry-log metadata-map in memory-map.
   */
  public class InMemoryEntryLogMetadataMap implements EntryLogMetadataMap {
  
      private final Map<Long, EntryLogMetadata> entryLogMetaMap = new ConcurrentHashMap<>();
  
      @Override
      public boolean containsKey(long entryLogId) {
          return entryLogMetaMap.containsKey(entryLogId);
      }
  
      @Override
      public void put(long entryLogId, EntryLogMetadata entryLogMeta) {
          entryLogMetaMap.put(entryLogId, entryLogMeta);
      }
  
      @Override
      public void forEach(BiConsumer<Long, EntryLogMetadata> action) {
          entryLogMetaMap.forEach(action);
      }
  
      @Override
      public void forKey(long entryLogId, BiConsumer<Long, EntryLogMetadata> action)
              throws BookieException.EntryLogMetadataMapException {
          action.accept(entryLogId, entryLogMetaMap.get(entryLogId));
      }
  
      @Override
      public void remove(long entryLogId) {
          entryLogMetaMap.remove(entryLogId);
      }
  
      @Override
      public int size() {
          return entryLogMetaMap.size();
      }
  
      @Override
      public boolean isEmpty() {
          return entryLogMetaMap.isEmpty();
      }
  
      @Override
      public void clear() {
          entryLogMetaMap.clear();
      }
  
      @Override
      public void close() throws IOException {
          entryLogMetaMap.clear();
      }
  
  }
  