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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.engine;
28  
29  import com.rapiddweller.benerator.Generator;
30  import com.rapiddweller.benerator.util.WrapperProvider;
31  import com.rapiddweller.benerator.wrapper.ProductWrapper;
32  
33  /**
34   * Uses a {@link Generator} to create the currently processed object.<br/><br/>
35   * Created: 01.09.2011 19:03:38
36   *
37   * @author Volker Bergmann
38   * @since 0.7.0
39   */
40  public class CurrentProductGeneration implements Statement, LifeCycleHolder {
41  
42    private final String instanceName;
43    private final Generator<Object> source;
44    private final WrapperProvider<Object> provider;
45  
46    /**
47     * Instantiates a new Current product generation.
48     *
49     * @param instanceName the instance name
50     * @param source       the source
51     */
52    @SuppressWarnings({"unchecked", "rawtypes"})
53    public CurrentProductGeneration(String instanceName, Generator<?> source) {
54      this.instanceName = instanceName;
55      this.source = (Generator) source;
56      this.provider = new WrapperProvider<>();
57    }
58  
59    @Override
60    public void init(BeneratorContext context) {
61      source.init(context);
62    }
63  
64    @Override
65    public boolean execute(BeneratorContext context) {
66      ProductWrapper<Object> wrapper = source.generate(provider.get());
67      context.setCurrentProduct(wrapper);
68      if (instanceName != null && wrapper != null) {
69        BeneratorContext parent = ((BeneratorSubContext) context).getParent();
70        parent.set(instanceName, wrapper.unwrap());
71      }
72      return (wrapper != null);
73    }
74  
75    @Override
76    public void reset() {
77      source.reset();
78    }
79  
80    @Override
81    public void close() {
82      source.close();
83    }
84  
85    @Override
86    public String toString() {
87      return instanceName + ':' + source;
88    }
89  
90  }