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/**
* 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;
}
}
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