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.testinfra.ccm;
  
  import com.datastax.oss.driver.api.core.Version;
  import com.datastax.oss.driver.api.testinfra.requirement.BackendType;
  import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableSortedMap;
  import java.util.HashMap;
  import java.util.Map;
  
  /** Defines mapping of various distributions to shipped Apache Cassandra version. */
  public abstract class DistributionCassandraVersions {
    private static final Map<BackendType, ImmutableSortedMap<Version, Version>> mappings =
        new HashMap<>();
  
    static {
      {
        // DSE
        ImmutableSortedMap<Version, Version> dse =
            ImmutableSortedMap.of(
                Version.V1_0_0, CcmBridge.V2_1_19,
                Version.V5_0_0, CcmBridge.V3_0_15,
                CcmBridge.V5_1_0, CcmBridge.V3_10,
                CcmBridge.V6_0_0, CcmBridge.V4_0_0);
        mappings.put(BackendType.DSE, dse);
      }
      {
        // HCD
        ImmutableSortedMap<Version, Version> hcd =
            ImmutableSortedMap.of(Version.V1_0_0, CcmBridge.V4_0_11);
        mappings.put(BackendType.HCD, hcd);
      }
    }
  
    public static Version getCassandraVersion(BackendType type, Version version) {
      ImmutableSortedMap<Version, Version> mapping = mappings.get(type);
      if (mapping == null) {
        return null;
      }
      return mapping.floorEntry(version).getValue();
    }
  }
  