/**
* 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.hadoop.hive.serde2.objectinspector;
import java.util.Map;
/**
* A StandardMapObjectInspector which also implements the
* ConstantObjectInspector interface.
*
* Always use the ObjectInspectorFactory to create new ObjectInspector objects,
* instead of directly creating an instance of this class.
*/
public class StandardConstantMapObjectInspector extends StandardMapObjectInspector
implements ConstantObjectInspector {
private Map<?, ?> value;
protected StandardConstantMapObjectInspector() {
super();
}
/**
* Call ObjectInspectorFactory.getStandardMapObjectInspector instead.
*/
protected StandardConstantMapObjectInspector(ObjectInspector mapKeyObjectInspector,
ObjectInspector mapValueObjectInspector, Map<?, ?> value) {
super(mapKeyObjectInspector, mapValueObjectInspector);
this.value = value;
}
@Override
public Map<?, ?> getWritableConstantValue() {
return value;
}
}