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.bifromq.basekv.localengine.memory;
  
  import org.apache.bifromq.basekv.localengine.IKVSpaceCheckpoint;
  import org.apache.bifromq.basekv.localengine.metrics.KVSpaceOpMeters;
  import com.google.protobuf.ByteString;
  import java.util.Map;
  import java.util.concurrent.ConcurrentSkipListMap;
  import org.slf4j.Logger;
  
  class InMemKVSpaceCheckpoint extends InMemKVSpaceReader implements IKVSpaceCheckpoint {
      private final String cpId;
      private final Map<ByteString, ByteString> metadataMap;
      private final ConcurrentSkipListMap<ByteString, ByteString> rangeData;
  
      protected InMemKVSpaceCheckpoint(String id,
                                       String cpId,
                                       Map<ByteString, ByteString> metadataMap,
                                       ConcurrentSkipListMap<ByteString, ByteString> rangeData,
                                       KVSpaceOpMeters opMeters,
                                       Logger logger) {
          super(id, opMeters, logger);
          this.cpId = cpId;
          this.metadataMap = metadataMap;
          this.rangeData = rangeData;
      }
  
      @Override
      public String cpId() {
          return cpId;
      }
  
      @Override
      protected Map<ByteString, ByteString> metadataMap() {
          return metadataMap;
      }
  
      @Override
      protected ConcurrentSkipListMap<ByteString, ByteString> rangeData() {
          return rangeData;
      }
  }
  