/**
* 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.DateWritable;
import org.apache.hadoop.hive.serde2.objectinspector.primitive.DateObjectInspector;
import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory;
import com.asakusafw.runtime.value.Date;
import com.asakusafw.runtime.value.DateOption;
import com.asakusafw.runtime.value.DateUtil;
import com.asakusafw.runtime.value.ValueOption;
/**
* Inspects {@link DateOption} object.
* @since 0.7.0
*/
public class DateOptionInspector extends AbstractValueInspector implements DateObjectInspector {
private static final int EPOCH_OFFSET = DateUtil.getDayFromDate(1970, 1, 1);
/**
* Creates a new instance.
*/
public DateOptionInspector() {
super(TypeInfoFactory.dateTypeInfo);
}
@Override
protected ValueOption<?> newObject() {
return new DateOption();
}
@Override
public java.sql.Date getPrimitiveJavaObject(Object o) {
DateOption object = (DateOption) o;
if (object == null || object.isNull()) {
return null;
}
Date value = object.get();
// FIXME for optimization
@SuppressWarnings("deprecation")
java.sql.Date result = new java.sql.Date(value.getYear() - 1900, value.getMonth() - 1, value.getDay());
return result;
}
@Override
public DateWritable getPrimitiveWritableObject(Object o) {
DateOption object = (DateOption) o;
if (object == null || object.isNull()) {
return null;
}
Date value = object.get();
return new DateWritable(value.getElapsedDays() - EPOCH_OFFSET);
}
}