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;
35 import mir.entity.adapter.EntityAdapterModel;
36 import mir.entity.adapter.EntityIteratorAdapter;
37 import mir.log.LoggerWrapper;
38 import mir.util.ParameterExpander;
40 public class EntityEnumeratingProducerNode extends ProducerNodeDecorator {
42 private EntityAdapterModel model;
43 private String definition;
46 private String whereClause;
47 private String orderByClause;
49 public EntityEnumeratingProducerNode(
51 EntityAdapterModel aModel, String aDefinition,
52 String aWhereClause, String anOrderByClause,
53 String aLimit, String aSkip,
54 ProducerNode aSubNode) {
58 definition = aDefinition;
61 whereClause = aWhereClause;
62 orderByClause = anOrderByClause;
68 public void produce(Map aValueMap, String aVerb, LoggerWrapper aLogger) throws ProducerFailure {
72 browser = new EntityIteratorAdapter(
73 ParameterExpander.expandExpression( aValueMap, whereClause ),
74 ParameterExpander.expandExpression( aValueMap, orderByClause ),
78 ParameterExpander.evaluateIntegerExpressionWithDefault( aValueMap, limit, -1),
79 ParameterExpander.evaluateIntegerExpressionWithDefault( aValueMap, skip, 0));
81 while (browser.hasNext() && !isAborted(aValueMap)) {
82 ParameterExpander.setValueForKey( aValueMap, key, browser.next());
83 super.produce(aValueMap, aVerb, aLogger);
87 aLogger.error("Exception occurred inside an EntityEnumeratingProducerNode: " + t.getMessage());