01: /*
02: * Copyright 2002-2005 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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:
17: package org.springframework.jdbc.support.incrementer;
18:
19: import javax.sql.DataSource;
20:
21: /**
22: * Class to retrieve the next value of a given PostgreSQL Sequence.
23: *
24: * @author Tomislav Urban
25: * @author Juergen Hoeller
26: */
27: public class PostgreSQLSequenceMaxValueIncrementer extends
28: AbstractSequenceMaxValueIncrementer {
29:
30: /**
31: * Default constructor.
32: **/
33: public PostgreSQLSequenceMaxValueIncrementer() {
34: }
35:
36: /**
37: * Convenience constructor.
38: * @param ds the DataSource to use
39: * @param incrementerName the name of the sequence/table to use
40: */
41: public PostgreSQLSequenceMaxValueIncrementer(DataSource ds,
42: String incrementerName) {
43: setDataSource(ds);
44: setIncrementerName(incrementerName);
45: afterPropertiesSet();
46: }
47:
48: protected String getSequenceQuery() {
49: return "select nextval('" + getIncrementerName() + "')";
50: }
51:
52: }
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