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.dse.driver.internal.querybuilder.schema;
  
  import com.datastax.dse.driver.api.querybuilder.schema.AlterDseKeyspace;
  import com.datastax.dse.driver.api.querybuilder.schema.AlterDseKeyspaceStart;
  import com.datastax.oss.driver.api.core.CqlIdentifier;
  import com.datastax.oss.driver.internal.querybuilder.ImmutableCollections;
  import com.datastax.oss.driver.internal.querybuilder.schema.OptionsUtils;
  import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableMap;
  import edu.umd.cs.findbugs.annotations.NonNull;
  import java.util.Map;
  import net.jcip.annotations.Immutable;
  
  @Immutable
  public class DefaultAlterDseKeyspace implements AlterDseKeyspaceStart, AlterDseKeyspace {
  
    private final CqlIdentifier keyspaceName;
    private final ImmutableMap<String, Object> options;
  
    public DefaultAlterDseKeyspace(@NonNull CqlIdentifier keyspaceName) {
      this(keyspaceName, ImmutableMap.of());
    }
  
    public DefaultAlterDseKeyspace(
        @NonNull CqlIdentifier keyspaceName, @NonNull ImmutableMap<String, Object> options) {
      this.keyspaceName = keyspaceName;
      this.options = options;
    }
  
    @NonNull
    @Override
    public AlterDseKeyspace withDurableWrites(boolean durableWrites) {
      return withOption("durable_writes", durableWrites);
    }
  
    @NonNull
    @Override
    public AlterDseKeyspace withGraphEngine(String graphEngine) {
      return this.withOption("graph_engine", graphEngine);
    }
  
    @NonNull
    @Override
    public AlterDseKeyspace withReplicationOptions(@NonNull Map<String, Object> replicationOptions) {
      return withOption("replication", replicationOptions);
    }
  
    @NonNull
    @Override
    public AlterDseKeyspace withSimpleStrategy(int replicationFactor) {
      ImmutableMap<String, Object> replication =
          ImmutableMap.<String, Object>builder()
              .put("class", "SimpleStrategy")
              .put("replication_factor", replicationFactor)
              .build();
  
      return withReplicationOptions(replication);
    }
  
    @NonNull
    @Override
    public AlterDseKeyspace 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());
    }
  
    @NonNull
    @Override
    public AlterDseKeyspace withOption(@NonNull String name, @NonNull Object value) {
      return new DefaultAlterDseKeyspace(
          keyspaceName, ImmutableCollections.append(options, name, value));
    }
  
    @NonNull
    @Override
    public String asCql() {
      return "ALTER KEYSPACE " + keyspaceName.asCql(true) + OptionsUtils.buildOptions(options, true);
    }
  
    @NonNull
    @Override
    public Map<String, Object> getOptions() {
      return options;
    }
  
    @NonNull
    public CqlIdentifier getKeyspace() {
      return keyspaceName;
    }
  
    @Override
    public String toString() {
      return asCql();
    }
  }
  