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 mir.entity.adapter.EntityAdapterModel;
33 import mir.entity.adapter.EntityIteratorAdapter;
34 import mir.util.ParameterExpander;
35 import mir.util.StringRoutines;
37 import java.util.Iterator;
39 public class EntityEnumeratingProducerNode extends ProducerNodeDecorator {
41 private EntityAdapterModel model;
42 private String definition;
43 private String mainTablePrefix;
44 private String extraTables;
47 private String whereClause;
48 private String orderByClause;
50 public EntityEnumeratingProducerNode(
52 EntityAdapterModel aModel, String aMainTablePrefix,
53 String anExtraTables, String aDefinition,
54 String aWhereClause, String anOrderByClause,
55 String aLimit, String aSkip,
56 ProducerNode aSubNode) {
60 definition = aDefinition;
62 mainTablePrefix=aMainTablePrefix;
63 extraTables = anExtraTables;
64 whereClause = aWhereClause;
65 orderByClause = anOrderByClause;
71 public void produce(ProductionContext aProductionContext) throws ProducerFailure {
75 browser = new EntityIteratorAdapter(
77 StringRoutines.splitString(ParameterExpander.expandExpression(aProductionContext.getValueSet(),
78 extraTables).trim(), ","),
79 ParameterExpander.expandExpression(aProductionContext.getValueSet(), whereClause),
80 ParameterExpander.expandExpression(aProductionContext.getValueSet(), orderByClause),
84 ParameterExpander.evaluateIntegerExpressionWithDefault(aProductionContext.getValueSet(), limit, -1),
85 ParameterExpander.evaluateIntegerExpressionWithDefault(aProductionContext.getValueSet(), skip, 0));
87 while (browser.hasNext() && !isAborted(aProductionContext)) {
88 ParameterExpander.setValueForKey(aProductionContext.getValueSet(), key, browser.next());
90 super.produce(aProductionContext);
94 aProductionContext.getLogger().warn("Exception occurred inside an EntityEnumeratingProducerNode: " +