/**
* 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.lazy.objectinspector.primitive;
import org.apache.hadoop.hive.common.type.HiveDecimal;
import org.apache.hadoop.hive.serde2.io.HiveDecimalWritable;
import org.apache.hadoop.hive.serde2.lazy.LazyHiveDecimal;
import org.apache.hadoop.hive.serde2.objectinspector.primitive.HiveDecimalObjectInspector;
import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo;
import org.apache.hadoop.hive.serde2.typeinfo.HiveDecimalUtils;
public class LazyHiveDecimalObjectInspector extends AbstractPrimitiveLazyObjectInspector<HiveDecimalWritable>
implements HiveDecimalObjectInspector {
protected LazyHiveDecimalObjectInspector(DecimalTypeInfo typeInfo) {
super(typeInfo);
}
@Override
public Object copyObject(Object o) {
return o == null ? null : new LazyHiveDecimal((LazyHiveDecimal) o);
}
@Override
public HiveDecimal getPrimitiveJavaObject(Object o) {
if (o == null) {
return null;
}
DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo) typeInfo;
// We do not want to modify the writable provided by the object o since it is not a copy.
HiveDecimalWritable decWritable = ((LazyHiveDecimal)o).getWritableObject();
HiveDecimalWritable result = HiveDecimalWritable.enforcePrecisionScale(
decWritable, decimalTypeInfo.getPrecision(), decimalTypeInfo.getScale());
return (result != null && result.isSet() ? result.getHiveDecimal() : null);
}
}