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 the com.oreilly.servlet library, any library
22 * licensed under the Apache Software License, The Sun (tm) Java Advanced
23 * Imaging library (JAI), The Sun JIMI library (or with modified versions of
24 * the above that use the same license as the above), and distribute linked
25 * combinations including the two. You must obey the GNU General Public
26 * License in all respects for all of the code used other than the above
27 * mentioned libraries. If you modify this file, you may extend this exception
28 * to your version of the file, but you are not obligated to do so. If you do
29 * not wish to do so, delete this exception statement from your version.
36 import mir.entity.adapter.*;
41 public class EntityEnumeratingProducerNode extends ProducerNodeDecorator {
43 private EntityAdapterModel model;
44 private String definition;
47 private String whereClause;
48 private String orderByClause;
51 public EntityEnumeratingProducerNode(
53 EntityAdapterModel aModel, String aDefinition,
54 String aWhereClause, String anOrderByClause,
55 String aLimit, String aSkip,
56 ProducerNode aSubNode) {
60 definition = aDefinition;
63 whereClause = aWhereClause;
64 orderByClause = anOrderByClause;
70 public void produce(Map aValueMap, String aVerb, PrintWriter aLogger) throws ProducerFailure {
74 browser = new EntityIteratorAdapter(
75 ParameterExpander.expandExpression( aValueMap, whereClause ),
76 ParameterExpander.expandExpression( aValueMap, orderByClause ),
80 ParameterExpander.evaluateIntegerExpressionWithDefault( aValueMap, limit, -1),
81 ParameterExpander.evaluateIntegerExpressionWithDefault( aValueMap, skip, 0));
83 while (browser.hasNext() && !isAborted(aValueMap)) {
84 ParameterExpander.setValueForKey( aValueMap, key, browser.next());
85 super.produce(aValueMap, aVerb, aLogger);
89 aLogger.println("Exception occurred inside an EntityEnumeratingProducerNode: " + t.getMessage());