1 /*
2 * (c) Copyright 2006-2020 by rapiddweller GmbH & Volker Bergmann. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, is permitted under the terms of the
6 * GNU General Public License.
7 *
8 * For redistributing this software or a derivative work under a license other
9 * 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 rapiddweller GmbH & 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 com.rapiddweller.benerator.primitive.number;
28
29 import com.rapiddweller.common.ConversionException;
30 import com.rapiddweller.common.Converter;
31 import com.rapiddweller.common.converter.ThreadSafeConverter;
32
33 import java.math.BigDecimal;
34
35 /**
36 * {@link Converter} that quantizes {@link Number}s by a given 'min' value and
37 * 'granularity' and converts it into a {@link BigDecimal}.<br/><br/>
38 * Created: 11.04.2011 17:53:55
39 *
40 * @author Volker Bergmann
41 * @since 0.6.6
42 */
43 public class DecimalQuantizer extends ThreadSafeConverter<Number, BigDecimal> {
44
45 private final BigDecimal min;
46 private final BigDecimal granularity;
47
48 /**
49 * Instantiates a new Decimal quantizer.
50 *
51 * @param min the min
52 * @param granularity the granularity
53 */
54 public DecimalQuantizer(BigDecimal min, BigDecimal granularity) {
55 super(Number.class, BigDecimal.class);
56 this.min = (min != null ? min : BigDecimal.ZERO);
57 this.granularity = granularity;
58 }
59
60 @Override
61 public BigDecimal convert(Number sourceValue) throws ConversionException {
62 BigDecimal value = (sourceValue instanceof BigDecimal ? (BigDecimal) sourceValue :
63 BigDecimal.valueOf(sourceValue.doubleValue()));
64 BigDecimal ofs = value.subtract(min).divideToIntegralValue(granularity);
65 return ofs.multiply(granularity).add(min);
66 }
67
68 }