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.
35 import mir.log.LoggerWrapper;
36 import mir.storage.Database;
37 import mir.util.ParameterExpander;
39 public class FreeQueryProducerNode implements ProducerNode {
40 public static final int QUERY_TYPE_SET = 1;
41 public static final int QUERY_TYPE_ROW = 2;
42 public static final int QUERY_TYPE_VALUE = 3;
44 private Database database = new Database();
47 private String limitExpression;
50 public FreeQueryProducerNode(String aKey, String aQuery, String aLimit, int aType) {
53 limitExpression = aLimit;
57 public void produce(Map aValueMap, String aVerb, LoggerWrapper aLogger) throws ProducerFailure {
62 case QUERY_TYPE_VALUE:
63 result = database.executeFreeSingleValueSql(ParameterExpander.expandExpression(aValueMap, query));
67 result = database.executeFreeSingleRowSql(ParameterExpander.expandExpression(aValueMap, query));
72 if (limitExpression!=null)
73 limit=ParameterExpander.evaluateIntegerExpression(aValueMap, limitExpression);
75 result = database.executeFreeSql(
76 ParameterExpander.expandExpression( aValueMap, query ),
82 aLogger.error("Error while executing free query: " + t.toString());
86 ParameterExpander.setValueForKey(
88 ParameterExpander.expandExpression(aValueMap, key),
92 aLogger.error("Error while setting key " + key + ": " + t.toString());