/**
* 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.lazybinary.objectinspector;
import java.util.List;
import org.apache.hadoop.hive.serde2.lazybinary.LazyBinaryStruct;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
import org.apache.hadoop.hive.serde2.objectinspector.StandardStructObjectInspector;
import org.apache.hadoop.hive.serde2.objectinspector.StructField;
/**
* ObjectInspector for LazyBinaryStruct.
*
* @see LazyBinaryStruct
*/
public class LazyBinaryStructObjectInspector extends
StandardStructObjectInspector {
protected LazyBinaryStructObjectInspector(List<String> structFieldNames,
List<ObjectInspector> structFieldObjectInspectors) {
super(structFieldNames, structFieldObjectInspectors);
}
protected LazyBinaryStructObjectInspector(List<String> structFieldNames,
List<ObjectInspector> structFieldObjectInspectors,
List<String> structFieldComments) {
super(structFieldNames, structFieldObjectInspectors, structFieldComments);
}
protected LazyBinaryStructObjectInspector(List<StructField> fields) {
super(fields);
}
@Override
public Object getStructFieldData(Object data, StructField fieldRef) {
if (data == null) {
return null;
}
LazyBinaryStruct struct = (LazyBinaryStruct) data;
MyField f = (MyField) fieldRef;
int fieldID = f.getFieldID();
assert (fieldID >= 0 && fieldID < fields.size());
return struct.getField(fieldID);
}
@Override
public List<Object> getStructFieldsDataAsList(Object data) {
if (data == null) {
return null;
}
LazyBinaryStruct struct = (LazyBinaryStruct) data;
return struct.getFieldsAsList();
}
}