google-nomulus/java/google/registry/model/UpdateAutoTimestamp.java
mcilwain f614044681 Add an auto update time field to the Cursor entity
Also adjusts the nomulus list_cursors command to output the value of this field.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=206646117
2018-08-10 13:44:25 -04:00

43 lines
1.4 KiB
Java

// Copyright 2017 The Nomulus 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 google.registry.model;
import static google.registry.util.DateTimeUtils.START_OF_TIME;
import google.registry.model.translators.UpdateAutoTimestampTranslatorFactory;
import java.util.Optional;
import javax.annotation.Nullable;
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.ofNullable(timestamp).orElse(START_OF_TIME);
}
public static UpdateAutoTimestamp create(@Nullable DateTime timestamp) {
UpdateAutoTimestamp instance = new UpdateAutoTimestamp();
instance.timestamp = timestamp;
return instance;
}
}