1 /*
2 * Copyright 2010, 2011 Christopher Pheby
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.jadira.usertype.dateandtime.joda;
17
18 import org.jadira.usertype.dateandtime.joda.columnmapper.LongColumnInstantMapper;
19 import org.jadira.usertype.spi.shared.AbstractVersionableUserType;
20 import org.joda.time.Instant;
21
22 /**
23 * Persist {@link Instant} via Hibernate using milliseconds of the day. This type is
24 * mostly compatible with org.joda.time.contrib.hibernate.PersistentInstantExact however
25 * you should note that JodaTime's {@link org.joda.time.Instant} has only millisecond precision,
26 * whilst JSR 310 offers nanosecond precision. When interpreting nanosecond values, Joda time will
27 * round down to the nearest millisecond.
28 * @see PersistentInstantAsNanosBigInteger
29 */
30 public class PersistentInstantAsMillisLong extends AbstractVersionableUserType<Instant, Long, LongColumnInstantMapper> {
31
32 private static final long serialVersionUID = 2654706404517200613L;
33
34 @Override
35 public int compare(Object o1, Object o2) {
36 return ((Instant) o1).compareTo((Instant) o2);
37 }
38 }