01: /***************************************************************
02: * This file is part of the [fleXive](R) project.
03: *
04: * Copyright (c) 1999-2008
05: * UCS - unique computing solutions gmbh (http://www.ucs.at)
06: * All rights reserved
07: *
08: * The [fleXive](R) project is free software; you can redistribute
09: * it and/or modify it under the terms of the GNU General Public
10: * License as published by the Free Software Foundation;
11: * either version 2 of the License, or (at your option) any
12: * later version.
13: *
14: * The GNU General Public License can be found at
15: * http://www.gnu.org/copyleft/gpl.html.
16: * A copy is found in the textfile GPL.txt and important notices to the
17: * license from the author are found in LICENSE.txt distributed with
18: * these libraries.
19: *
20: * This library is distributed in the hope that it will be useful,
21: * but WITHOUT ANY WARRANTY; without even the implied warranty of
22: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23: * GNU General Public License for more details.
24: *
25: * For further information about UCS - unique computing solutions gmbh,
26: * please see the company website: http://www.ucs.at
27: *
28: * For further information about [fleXive](R), please see the
29: * project website: http://www.flexive.org
30: *
31: *
32: * This copyright notice MUST APPEAR in all copies of the file!
33: ***************************************************************/package com.flexive.shared.search.query;
34:
35: import com.flexive.shared.exceptions.FxInvalidParameterException;
36: import com.flexive.shared.exceptions.FxInvalidQueryNodeException;
37: import com.flexive.shared.exceptions.FxRuntimeException;
38: import com.flexive.shared.structure.FxAssignment;
39: import com.flexive.shared.structure.FxSelectListItem;
40: import com.flexive.shared.value.FxSelectOne;
41:
42: import java.util.Arrays;
43: import java.util.List;
44:
45: /**
46: * Select node
47: *
48: * @author Daniel Lichtenberger (daniel.lichtenberger@flexive.com), UCS - unique computing solutions gmbh (http://www.ucs.at)
49: * @version $Rev: 181 $
50: */
51: public class SelectValueNode extends
52: QueryValueNode<FxSelectOne, PropertyValueComparator> {
53: private static final long serialVersionUID = 251709443170235315L;
54: private final FxAssignment assignment;
55:
56: public SelectValueNode(int id, FxAssignment assignment,
57: FxSelectListItem item) {
58: super (id);
59: if (item == null || item.getList() == null) {
60: throw new FxInvalidParameterException("ITEM",
61: "ex.queryNode.select.empty", this )
62: .asRuntimeException();
63: }
64: this .assignment = assignment;
65: this .comparator = PropertyValueComparator.EQ;
66: setValue(new FxSelectOne(item));
67: }
68:
69: /** {@inheritDoc} */
70: @Override
71: public List<PropertyValueComparator> getNodeComparators() {
72: return Arrays.asList(PropertyValueComparator.EQ,
73: PropertyValueComparator.NE);
74: }
75:
76: /** {@inheritDoc} */
77: @Override
78: public boolean isValid() {
79: return true;
80: }
81:
82: /** {@inheritDoc} */
83: @Override
84: protected void buildSqlQuery(SqlQueryBuilder builder) {
85: try {
86: builder.condition(assignment, getComparator(), getValue());
87: } catch (FxRuntimeException e) {
88: throw new FxInvalidQueryNodeException(getId(), e
89: .getConverted()).asRuntimeException();
90: }
91: }
92: }
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