/**
* 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.HiveDecimal;
import org.apache.hadoop.hive.serde2.io.HiveDecimalWritable;
import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo;
import org.apache.hadoop.hive.serde2.typeinfo.HiveDecimalUtils;
public class WritableHiveDecimalObjectInspector extends AbstractPrimitiveWritableObjectInspector
implements SettableHiveDecimalObjectInspector {
public WritableHiveDecimalObjectInspector() {
}
protected WritableHiveDecimalObjectInspector(DecimalTypeInfo typeInfo) {
super(typeInfo);
}
@Override
public HiveDecimalWritable getPrimitiveWritableObject(Object o) {
return enforcePrecisionScale(((HiveDecimalWritable) o));
}
@Override
public HiveDecimal getPrimitiveJavaObject(Object o) {
return enforcePrecisionScale(((HiveDecimalWritable)o).getHiveDecimal());
}
@Override
public Object copyObject(Object o) {
return o == null ? null : new HiveDecimalWritable((HiveDecimalWritable) o);
}
@Override
public Object set(Object o, byte[] bytes, int scale) {
HiveDecimalWritable writable = (HiveDecimalWritable)create(bytes, scale);
if (writable != null) {
((HiveDecimalWritable)o).set(writable);
return o;
} else {
return null;
}
}
@Override
public Object set(Object o, HiveDecimal t) {
HiveDecimal dec = enforcePrecisionScale(t);
if (dec != null) {
((HiveDecimalWritable) o).set(dec);
return o;
} else {
return null;
}
}
@Override
public Object set(Object o, HiveDecimalWritable t) {
HiveDecimalWritable writable = enforcePrecisionScale(t);
if (writable == null) {
return null;
}
((HiveDecimalWritable) o).set(writable);
return o;
}
@Override
public Object create(byte[] bytes, int scale) {
return new HiveDecimalWritable(bytes, scale);
}
@Override
public Object create(HiveDecimal t) {
return t == null ? null : new HiveDecimalWritable(t);
}
private HiveDecimal enforcePrecisionScale(HiveDecimal dec) {
return HiveDecimalUtils.enforcePrecisionScale(dec, (DecimalTypeInfo)typeInfo);
}
private HiveDecimalWritable enforcePrecisionScale(HiveDecimalWritable writable) {
return HiveDecimalUtils.enforcePrecisionScale(writable, (DecimalTypeInfo)typeInfo);
}
}