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.hive.service.cli.operation;
  
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.hadoop.hive.metastore.TableType;
  
  /**
   * ClassicTableTypeMapping.
   * Classic table type mapping :
   *  Managed Table ==> Table
   *  External Table ==> Table
   *  Virtual View ==> View
   */
  public class ClassicTableTypeMapping implements TableTypeMapping {
  
    public enum ClassicTableTypes {
      TABLE,
      VIEW,
    }
  
    private final Map<String, String> hiveToClientMap = new HashMap<String, String>();
    private final Map<String, String> clientToHiveMap = new HashMap<String, String>();
  
    public ClassicTableTypeMapping() {
      hiveToClientMap.put(TableType.MANAGED_TABLE.toString(),
          ClassicTableTypes.TABLE.toString());
      hiveToClientMap.put(TableType.EXTERNAL_TABLE.toString(),
          ClassicTableTypes.TABLE.toString());
      hiveToClientMap.put(TableType.VIRTUAL_VIEW.toString(),
          ClassicTableTypes.VIEW.toString());
  
      clientToHiveMap.put(ClassicTableTypes.TABLE.toString(),
          TableType.MANAGED_TABLE.toString());
      clientToHiveMap.put(ClassicTableTypes.VIEW.toString(),
          TableType.VIRTUAL_VIEW.toString());
    }
  
    @Override
    public String mapToHiveType(String clientTypeName) {
      if (clientToHiveMap.containsKey(clientTypeName)) {
        return clientToHiveMap.get(clientTypeName);
      } else {
        return clientTypeName;
      }
    }
  
    @Override
    public String mapToClientType(String hiveTypeName) {
      if (hiveToClientMap.containsKey(hiveTypeName)) {
        return hiveToClientMap.get(hiveTypeName);
      } else {
        return hiveTypeName;
      }
    }
  
    @Override
    public Set<String> getTableTypeNames() {
      Set<String> typeNameSet = new HashSet<String>();
      for (ClassicTableTypes typeNames : ClassicTableTypes.values()) {
        typeNameSet.add(typeNames.toString());
      }
      return typeNameSet;
    }
  
  }
  