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.distribution.sequence;
28
29 import com.rapiddweller.benerator.NonNullGenerator;
30 import com.rapiddweller.benerator.distribution.Sequence;
31 import com.rapiddweller.benerator.wrapper.WrapperFactory;
32
33 import static com.rapiddweller.common.NumberUtil.toLong;
34
35 /**
36 * {@link Sequence} implementation for a distribution that creates the bit-reverses (r)
37 * of a continuous series, e.g. r(1), r(2), r(3), ...; the numbers produced by a related
38 * generator are unique as long as the generator is not reset.<br/>
39 * <br/>
40 * Created at 23.09.2009 18:59:30
41 *
42 * @author Volker Bergmann
43 * @since 0.6.0
44 */
45 public class BitReverseSequence extends Sequence {
46
47 @Override
48 public <T extends Number> NonNullGenerator<T> createNumberGenerator(
49 Class<T> numberType, T min, T max, T granularity, boolean unique) {
50 long lMax = (max != null ? max.longValue() : BitReverseLongGenerator.MAX_INDEX_RANGE + toLong(min));
51 NonNullGenerator<? extends Number> base = new BitReverseLongGenerator(toLong(min), lMax, toLong(granularity));
52 return WrapperFactory.asNonNullNumberGeneratorOfType(numberType, base, min, granularity);
53 }
54
55 }