/**
* 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.primitive;
import org.apache.hadoop.hive.common.type.HiveVarchar;
import org.apache.hadoop.hive.serde2.io.HiveVarcharWritable;
import org.apache.hadoop.hive.serde2.typeinfo.BaseCharUtils;
import org.apache.hadoop.hive.serde2.typeinfo.VarcharTypeInfo;
public class JavaHiveVarcharObjectInspector extends AbstractPrimitiveJavaObjectInspector
implements SettableHiveVarcharObjectInspector {
// no-arg ctor required for Kyro serialization
public JavaHiveVarcharObjectInspector() {
}
public JavaHiveVarcharObjectInspector(VarcharTypeInfo typeInfo) {
super(typeInfo);
}
@Override
public HiveVarchar getPrimitiveJavaObject(Object o) {
if (o == null) {
return null;
}
HiveVarchar value = (HiveVarchar) o;
if (BaseCharUtils.doesPrimitiveMatchTypeParams(value, (VarcharTypeInfo) typeInfo)) {
return value;
}
// value needs to be converted to match the type params (length, etc).
return getPrimitiveWithParams(value);
}
@Override
public HiveVarcharWritable getPrimitiveWritableObject(Object o) {
if (o == null) {
return null;
}
return getWritableWithParams((HiveVarchar) o);
}
@Override
public Object set(Object o, HiveVarchar value) {
if (BaseCharUtils.doesPrimitiveMatchTypeParams(value, (VarcharTypeInfo) typeInfo)) {
return value;
} else {
// Otherwise value may be too long, convert to appropriate value based on params
return new HiveVarchar(value, getMaxLength());
}
}
@Override
public Object set(Object o, String value) {
return new HiveVarchar(value, getMaxLength());
}
@Override
public Object create(HiveVarchar value) {
return new HiveVarchar(value, getMaxLength());
}
public int getMaxLength() {
VarcharTypeInfo ti = (VarcharTypeInfo) typeInfo;
return ti.getLength();
}
private HiveVarchar getPrimitiveWithParams(HiveVarchar val) {
return new HiveVarchar(val, getMaxLength());
}
private HiveVarcharWritable getWritableWithParams(HiveVarchar val) {
HiveVarcharWritable newValue = new HiveVarcharWritable();
newValue.set(val, getMaxLength());
return newValue;
}
}