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.cassandra.locator;
  
  import com.google.common.base.Preconditions;
  import com.google.common.collect.ImmutableMap;
  import com.google.common.collect.Maps;
  import org.apache.cassandra.dht.Range;
  import org.apache.cassandra.dht.Token;
  import org.apache.cassandra.locator.ReplicaCollection.Builder.Conflict;
  
  import java.util.Map;
  
  public class EndpointsByRange extends ReplicaMultimap<Range<Token>, EndpointsForRange>
  {
      public EndpointsByRange(Map<Range<Token>, EndpointsForRange> map)
      {
          super(map);
      }
  
      public EndpointsForRange get(Range<Token> range)
      {
          Preconditions.checkNotNull(range);
          return map.getOrDefault(range, EndpointsForRange.empty(range));
      }
  
      public static class Builder extends ReplicaMultimap.Builder<Range<Token>, EndpointsForRange.Builder>
      {
          @Override
          protected EndpointsForRange.Builder newBuilder(Range<Token> range)
          {
              return new EndpointsForRange.Builder(range);
          }
  
          // TODO: consider all ignoreDuplicates cases
          public void putAll(Range<Token> range, EndpointsForRange replicas, Conflict ignoreConflicts)
          {
              get(range).addAll(replicas, ignoreConflicts);
          }
  
          public EndpointsByRange build()
          {
              return new EndpointsByRange(
                      ImmutableMap.copyOf(
                              Maps.transformValues(this.map, EndpointsForRange.Builder::build)));
          }
      }
  
  }
  