| Query.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.kernel.bi.rules;
24
25 import java.util.ArrayList;
26 import java.util.Arrays;
27 import java.util.List;
28
29 /**
30 * <a href="Query.java.html"><b><i>View Source</i></b></a>
31 *
32 * <a href="RuleEngineQuery.java.html"><b><i>View Source</i></b></a>
33 *
34 * @author Michael C. Han
35 */
36 public class Query {
37
38 public static Query createCustomQuery() {
39 return new Query(QueryType.CUSTOM);
40 }
41
42 public static Query createStandardQuery() {
43 return new Query(QueryType.STANDARD);
44 }
45
46 public void addArgument(Object object) {
47 if (_queryType.equals(QueryType.STANDARD)) {
48 throw new IllegalStateException(
49 "Standard queries cannot accept query arguments");
50 }
51
52 _arguments.add(object);
53 }
54
55 public void addArguments(List<?> arguments) {
56 if (_queryType.equals(QueryType.STANDARD)) {
57 throw new IllegalStateException(
58 "Standard queries cannot accept query arguments");
59 }
60
61 _arguments.addAll(arguments);
62 }
63
64 public void addArguments(Object[] arguments) {
65 if (_queryType.equals(QueryType.STANDARD)) {
66 throw new IllegalStateException(
67 "Standard queries cannot accept query arguments");
68 }
69
70 if ((arguments != null) && (arguments.length > 0)) {
71 _arguments.addAll(Arrays.asList(arguments));
72 }
73 }
74
75 public Object[] getArguments() {
76 return _arguments.toArray(new Object[_arguments.size()]);
77 }
78
79 public String getQueryString() {
80 return _queryString;
81 }
82
83 public QueryType getQueryType() {
84 return _queryType;
85 }
86
87 public void setQueryString(String queryString) {
88 if (_queryType.equals(QueryType.STANDARD)) {
89 throw new IllegalStateException(
90 "Standard queries cannot accept query strings");
91 }
92
93 _queryString = queryString;
94 }
95
96 private Query(QueryType queryType) {
97 _queryType = queryType;
98 }
99
100 private List<Object> _arguments = new ArrayList<Object>();
101 private String _queryString;
102 private QueryType _queryType;
103
104 }