01: /*
02: * (c) Copyright 2007 by Volker Bergmann. All rights reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, is permitted under the terms of the
06: * GNU General Public License.
07: *
08: * For redistributing this software or a derivative work under a license other
09: * than the GPL-compatible Free Software License as defined by the Free
10: * Software Foundation or approved by OSI, you must first obtain a commercial
11: * license to this software product from Volker Bergmann.
12: *
13: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
14: * WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
15: * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
16: * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
17: * HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
18: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24: * POSSIBILITY OF SUCH DAMAGE.
25: */
26:
27: package org.databene.benerator.primitive;
28:
29: import org.databene.benerator.LightweightGenerator;
30:
31: /**
32: *
33: * @author Volker Bergmann
34: * @since 0.3.04
35: */
36: public class IncrementGenerator extends LightweightGenerator<Long> {
37:
38: private static final long DEFAULT_MIN = 1;
39:
40: private long min;
41: private long cursor;
42:
43: // constructors -----------------------------------------------------------------------------------
44:
45: public IncrementGenerator() {
46: this (DEFAULT_MIN);
47: }
48:
49: public IncrementGenerator(long min) {
50: setMin(min);
51: }
52:
53: // properties ----------------------------------------------------------------------------------------
54:
55: public Long getMin() {
56: return min;
57: }
58:
59: public void setMin(Long min) {
60: this .min = min;
61: this .cursor = min;
62: }
63:
64: // Generator interface ------------------------------------------------------------------------
65:
66: public Long generate() {
67: return cursor++;
68: }
69:
70: @Override
71: public void reset() {
72: this .cursor = min;
73: }
74:
75: // java.lang.Object overrides ------------------------------------------------------------------
76:
77: @Override
78: public String toString() {
79: return getClass().getSimpleName() + '[' + cursor + ']';
80: }
81: }
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