2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
32 import java.util.Iterator;
33 import java.util.List;
36 import mir.entity.adapter.EntityAdapterModel;
37 import mir.entity.adapter.EntityIteratorAdapter;
38 import mir.log.LoggerWrapper;
39 import mir.util.ParameterExpander;
41 public class EntityEnumeratingProducerNode extends ProducerNodeDecorator {
43 private EntityAdapterModel model;
44 private String definition;
45 private String mainTablePrefix;
46 private List extraTables;
49 private String whereClause;
50 private String orderByClause;
52 public EntityEnumeratingProducerNode(
54 EntityAdapterModel aModel, String aMainTablePrefix,
55 List someExtraTables, String aDefinition,
56 String aWhereClause, String anOrderByClause,
57 String aLimit, String aSkip,
58 ProducerNode aSubNode) {
62 definition = aDefinition;
64 mainTablePrefix=aMainTablePrefix;
65 extraTables=someExtraTables;
66 whereClause = aWhereClause;
67 orderByClause = anOrderByClause;
73 public void produce(Map aValueMap, String aVerb, LoggerWrapper aLogger) throws ProducerFailure {
77 browser = new EntityIteratorAdapter(
80 ParameterExpander.expandExpression( aValueMap, whereClause ),
81 ParameterExpander.expandExpression( aValueMap, orderByClause ),
85 ParameterExpander.evaluateIntegerExpressionWithDefault( aValueMap, limit, -1),
86 ParameterExpander.evaluateIntegerExpressionWithDefault( aValueMap, skip, 0));
88 while (browser.hasNext() && !isAborted(aValueMap)) {
89 ParameterExpander.setValueForKey( aValueMap, key, browser.next());
90 super.produce(aValueMap, aVerb, aLogger);
94 aLogger.error("Exception occurred inside an EntityEnumeratingProducerNode: " + t.getMessage());