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Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
Declaration.java | 75% | 93.8% | 100% | 93.1% |
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1 | package org.drools.rule; | |
2 | ||
3 | /* | |
4 | * $Id: Declaration.java,v 1.33 2005/02/02 00:23:22 mproctor Exp $ | |
5 | * | |
6 | * Copyright 2001-2003 (C) The Werken Company. All Rights Reserved. | |
7 | * | |
8 | * Redistribution and use of this software and associated documentation | |
9 | * ("Software"), with or without modification, are permitted provided that the | |
10 | * following conditions are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain copyright statements and | |
13 | * notices. Redistributions must also contain a copy of this document. | |
14 | * | |
15 | * 2. Redistributions in binary form must reproduce the above copyright notice, | |
16 | * this list of conditions and the following disclaimer in the documentation | |
17 | * and/or other materials provided with the distribution. | |
18 | * | |
19 | * 3. The name "drools" must not be used to endorse or promote products derived | |
20 | * from this Software without prior written permission of The Werken Company. | |
21 | * For written permission, please contact bob@werken.com. | |
22 | * | |
23 | * 4. Products derived from this Software may not be called "drools" nor may | |
24 | * "drools" appear in their names without prior written permission of The Werken | |
25 | * Company. "drools" is a trademark of The Werken Company. | |
26 | * | |
27 | * 5. Due credit should be given to The Werken Company. (http://werken.com/) | |
28 | * | |
29 | * THIS SOFTWARE IS PROVIDED BY THE WERKEN COMPANY AND CONTRIBUTORS ``AS IS'' | |
30 | * AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
31 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
32 | * ARE DISCLAIMED. IN NO EVENT SHALL THE WERKEN COMPANY OR ITS CONTRIBUTORS BE | |
33 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
34 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
35 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
36 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
37 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
38 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
39 | * POSSIBILITY OF SUCH DAMAGE. | |
40 | * | |
41 | */ | |
42 | ||
43 | import java.io.Serializable; | |
44 | ||
45 | import org.drools.spi.ObjectType; | |
46 | ||
47 | /** | |
48 | * A typed, named variable for <code>Condition</code> evaluation. | |
49 | * | |
50 | * @see ObjectType | |
51 | * @see org.drools.spi.Condition | |
52 | * | |
53 | * @author <a href="mailto:bob@eng.werken.com">bob mcwhirter </a> | |
54 | * @author <a href="mailto:simon@redhillconsulting.com.au">Simon Harris </a> | |
55 | */ | |
56 | public class Declaration | |
57 | implements | |
58 | Serializable, | |
59 | Comparable | |
60 | { | |
61 | // ------------------------------------------------------------ | |
62 | // Instance members | |
63 | // ------------------------------------------------------------ | |
64 | ||
65 | /** The identifier for the variable. */ | |
66 | private final String identifier; | |
67 | ||
68 | /** The type of the variable. */ | |
69 | // TODO: Would like to make this final if we can. Requires rejigging the xml | |
70 | // handler stuff. | |
71 | private ObjectType objectType; | |
72 | ||
73 | /** The index within a rule. */ | |
74 | private final int index; | |
75 | ||
76 | // ------------------------------------------------------------ | |
77 | // Constructors | |
78 | // ------------------------------------------------------------ | |
79 | ||
80 | /** | |
81 | * Construct. | |
82 | * | |
83 | * @param identifier The name of the variable. | |
84 | * @param objectType The type of this variable declaration. | |
85 | * @param order The index within a rule. | |
86 | */ | |
87 | 252 | Declaration( String identifier, |
88 | ObjectType objectType, | |
89 | int order ) | |
90 | { | |
91 | 252 | this.objectType = objectType; |
92 | 252 | this.identifier = identifier; |
93 | 252 | this.index = order; |
94 | } | |
95 | ||
96 | // ------------------------------------------------------------ | |
97 | // Instance methods | |
98 | // ------------------------------------------------------------ | |
99 | ||
100 | /** | |
101 | * Retrieve the <code>ObjectType</code>. | |
102 | * | |
103 | * @return The object-type. | |
104 | */ | |
105 | 753 | public ObjectType getObjectType() |
106 | { | |
107 | 753 | return this.objectType; |
108 | } | |
109 | ||
110 | // TODO: Remove this if possible | |
111 | 164 | public void setObjectType( ObjectType objectType ) |
112 | { | |
113 | 164 | this.objectType = objectType; |
114 | } | |
115 | ||
116 | /** | |
117 | * Retrieve the variable's identifier. | |
118 | * | |
119 | * @return The variable's identifier. | |
120 | */ | |
121 | 1343 | public String getIdentifier() |
122 | { | |
123 | 1343 | return this.identifier; |
124 | } | |
125 | ||
126 | 85363 | public int getIndex() |
127 | { | |
128 | 85363 | return this.index; |
129 | } | |
130 | ||
131 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | |
132 | ||
133 | 3 | public int compareTo( Object object ) |
134 | { | |
135 | 3 | return this.index - ( ( Declaration ) object ).index; |
136 | } | |
137 | ||
138 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | |
139 | ||
140 | 10 | public String toString() |
141 | { | |
142 | 10 | return "[Declaration: " + this.identifier + "]"; |
143 | } | |
144 | ||
145 | 11282 | public int hashCode() |
146 | { | |
147 | 11282 | return this.index; |
148 | } | |
149 | ||
150 | 1690 | public boolean equals( Object object ) |
151 | { | |
152 | 1690 | if ( this == object ) |
153 | { | |
154 | 111 | return true; |
155 | } | |
156 | ||
157 | 1579 | if ( object == null || getClass( ) != object.getClass( ) ) |
158 | { | |
159 | 0 | return false; |
160 | } | |
161 | ||
162 | 1579 | Declaration other = ( Declaration ) object; |
163 | ||
164 | 1579 | return this.index == other.index |
165 | && this.identifier.equals( other.identifier ) | |
166 | && this.objectType.equals( other.objectType ); | |
167 | } | |
168 | } |
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