1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.id;
18
19 /**
20 * <code>LongIdentifier</code> defines a simple interface for
21 * Long based identifier generation.
22 *
23 * @author Commons-Id team
24 * @version $Id: LongIdentifierGenerator.java 480488 2006-11-29 08:57:26Z bayard $
25 */
26 public interface LongIdentifierGenerator extends IdentifierGenerator {
27
28 /**
29 * Gets the next identifier in the sequence.
30 *
31 * @return the next Long identifier in sequence
32 */
33 Long nextLongIdentifier();
34
35 /**
36 * Returns the maximum value of an identifier from this generator.
37 *
38 * @return the maximum identifier value
39 */
40 long maxValue();
41
42 /**
43 * Returns the minimum value of an identifier from this generator.
44 *
45 * @return the minimum identifier value
46 */
47 long minValue();
48
49 }