1 /**
2 * Copyright 2008 Bryan Ray
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 uk.org.bryanray.testtoys.generator.sequencegenerators;
17
18 /**
19 * <DL>
20 * <DT><B>Project:</B></DT>
21 * <DD>TestDataLoader</DD>
22 * <DT><B>Filename:</B></DT>
23 * <DD>SequenceGenerator.java</DD>
24 * <DT><B>Creation Date:</B></DT>
25 * <DD>26 May 2008</DD>
26 * </DL>
27 *
28 * An interface to generate sequence values.
29 *
30 * @author Bryan Ray
31 */
32 public interface SequenceGenerator {
33 /**
34 * @return The current sequence value. This method should be ready to call immediately after initialisation of the instance object.
35 */
36 String value();
37
38 /**
39 * Moves the sequence on one value.
40 */
41 void next();
42 }