/**
 * 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 java.sql.Timestamp;
import java.util.List;

import org.apache.hadoop.hive.serde2.io.TimestampWritable;
import org.apache.hadoop.hive.serde2.lazy.LazyTimestamp;
import org.apache.hadoop.hive.serde2.objectinspector.primitive.TimestampObjectInspector;
import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory;
import org.apache.hive.common.util.TimestampParser;

public class LazyTimestampObjectInspector
    extends AbstractPrimitiveLazyObjectInspector<TimestampWritable>
    implements TimestampObjectInspector {

  protected List<String> timestampFormats = null;
  protected TimestampParser timestampParser = null;

  LazyTimestampObjectInspector() {
    super(TypeInfoFactory.timestampTypeInfo);
    timestampParser = new TimestampParser();
  }

  LazyTimestampObjectInspector(List<String> tsFormats) {
    super(TypeInfoFactory.timestampTypeInfo);
    this.timestampFormats = tsFormats;
    timestampParser = new TimestampParser(tsFormats);
  }

  public Object copyObject(Object o) {
    return o == null ? null : new LazyTimestamp((LazyTimestamp) o);
  }

  public Timestamp getPrimitiveJavaObject(Object o) {
    return o == null ? null : ((LazyTimestamp) o).getWritableObject().getTimestamp();
  }

  public List<String> getTimestampFormats() {
    return timestampFormats;
  }

  public TimestampParser getTimestampParser() {
    return timestampParser;
  }

}