google-nomulus/java/google/registry/model/UpdateAutoTimestamp.java
Justine Tunney 5012893c1d mv com/google/domain/registry google/registry
This change renames directories in preparation for the great package
rename. The repository is now in a broken state because the code
itself hasn't been updated. However this should ensure that git
correctly preserves history for each file.
2016-05-13 18:55:08 -04:00

43 lines
1.4 KiB
Java

// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
//
// 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.google.domain.registry.model;
import static com.google.domain.registry.util.DateTimeUtils.START_OF_TIME;
import com.google.common.base.Optional;
import com.google.domain.registry.model.translators.UpdateAutoTimestampTranslatorFactory;
import org.joda.time.DateTime;
/**
* A timestamp that auto-updates on each save to datastore.
*
* @see UpdateAutoTimestampTranslatorFactory
*/
public class UpdateAutoTimestamp extends ImmutableObject {
DateTime timestamp;
/** Returns the timestamp, or {@link #START_OF_TIME} if it's null. */
public DateTime getTimestamp() {
return Optional.fromNullable(timestamp).or(START_OF_TIME);
}
public static UpdateAutoTimestamp create(DateTime timestamp) {
UpdateAutoTimestamp instance = new UpdateAutoTimestamp();
instance.timestamp = timestamp;
return instance;
}
}