| 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="RuleEngineQuery.java.html"><b><i>View Source</i></b></a>
31 *
32 * @author Michael C. Han
33 *
34 */
35 public class Query {
36
37 public static Query createCustomQuery() {
38 return new Query(QueryType.CUSTOM);
39 }
40
41 public static Query createStandardQuery() {
42 return new Query(QueryType.STANDARD);
43 }
44
45 public void addArgument(Object object) {
46 if (_queryType.equals(QueryType.STANDARD)) {
47 throw new IllegalStateException(
48 "Standard queries cannot accept query arguments");
49 }
50
51 _arguments.add(object);
52 }
53
54 public void addArguments(List<?> arguments) {
55 if (_queryType.equals(QueryType.STANDARD)) {
56 throw new IllegalStateException(
57 "Standard queries cannot accept query arguments");
58 }
59
60 _arguments.addAll(arguments);
61 }
62
63 public void addArguments(Object[] arguments) {
64 if (_queryType.equals(QueryType.STANDARD)) {
65 throw new IllegalStateException(
66 "Standard queries cannot accept query arguments");
67 }
68
69 if ((arguments != null) && (arguments.length > 0)) {
70 _arguments.addAll(Arrays.asList(arguments));
71 }
72 }
73
74 public Object[] getArguments() {
75 return _arguments.toArray(new Object[_arguments.size()]);
76 }
77
78 public String getQueryString() {
79 return _queryString;
80 }
81
82 public QueryType getQueryType() {
83 return _queryType;
84 }
85
86 public void setQueryString(String queryString) {
87 if (_queryType.equals(QueryType.STANDARD)) {
88 throw new IllegalStateException(
89 "Standard queries cannot accept query strings");
90 }
91
92 _queryString = queryString;
93 }
94
95 private Query(QueryType queryType) {
96 _queryType = queryType;
97 }
98
99 private List<Object> _arguments = new ArrayList<Object>();
100 private String _queryString;
101 private QueryType _queryType;
102
103 }