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 com.datastax.oss.driver.api.querybuilder.schema;
  
  import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableMap;
  import edu.umd.cs.findbugs.annotations.NonNull;
  import java.util.Map;
  
  public interface KeyspaceReplicationOptions<TargetT> {
    /**
     * Adds SimpleStrategy replication options with the given replication factor.
     *
     * <p>Note that using this will overwrite any previous use of this method or {@link
     * #withNetworkTopologyStrategy(Map)}.
     */
    @NonNull
    default TargetT withSimpleStrategy(int replicationFactor) {
      ImmutableMap<String, Object> replication =
          ImmutableMap.<String, Object>builder()
              .put("class", "SimpleStrategy")
              .put("replication_factor", replicationFactor)
              .build();
  
      return withReplicationOptions(replication);
    }
  
    /**
     * Adds NetworkTopologyStrategy replication options with the given data center replication
     * factors.
     *
     * <p>Note that using this will overwrite any previous use of this method or {@link
     * #withSimpleStrategy(int)}.
     *
     * @param replications Mapping of data center name to replication factor to use for that data
     *     center.
     */
    @NonNull
    default TargetT withNetworkTopologyStrategy(@NonNull Map<String, Integer> replications) {
      ImmutableMap.Builder<String, Object> replicationBuilder =
          ImmutableMap.<String, Object>builder().put("class", "NetworkTopologyStrategy");
  
      for (Map.Entry<String, Integer> replication : replications.entrySet()) {
        replicationBuilder.put(replication.getKey(), replication.getValue());
      }
  
      return withReplicationOptions(replicationBuilder.build());
    }
  
    /**
     * Adds 'replication' options. One should only use this when they have a custom replication
     * strategy, otherwise it is advisable to use {@link #withSimpleStrategy(int)} or {@link
     * #withNetworkTopologyStrategy(Map)}.
     */
    @NonNull
    TargetT withReplicationOptions(@NonNull Map<String, Object> replicationOptions);
  }
  