/**
* Copyright 2011-2014 Asakusa Framework Team.
*
* Licensed 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 com.asakusafw.directio.hive.serde;
import org.apache.hadoop.hive.serde2.io.DoubleWritable;
import org.apache.hadoop.hive.serde2.objectinspector.primitive.DoubleObjectInspector;
import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory;
import com.asakusafw.runtime.value.DoubleOption;
import com.asakusafw.runtime.value.ValueOption;
/**
* Inspects {@link DoubleOption} object.
* @since 0.7.0
*/
public class DoubleOptionInspector extends AbstractValueInspector implements DoubleObjectInspector {
/**
* Creates a new instance.
*/
public DoubleOptionInspector() {
super(TypeInfoFactory.doubleTypeInfo);
}
@Override
protected ValueOption<?> newObject() {
return new DoubleOption();
}
@Override
public Object getPrimitiveJavaObject(Object o) {
DoubleOption object = (DoubleOption) o;
if (object == null || object.isNull()) {
return null;
}
return object.get();
}
@Override
public Object getPrimitiveWritableObject(Object o) {
DoubleOption object = (DoubleOption) o;
if (object == null || object.isNull()) {
return null;
}
return new DoubleWritable(object.get());
}
@Override
public double get(Object o) {
return ((DoubleOption) o).get();
}
}