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Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
FactHandleImpl.java | 100% | 100% | 100% | 100% |
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1 | package org.drools.reteoo; | |
2 | ||
3 | /* | |
4 | * $Id: FactHandleImpl.java,v 1.19.2.2 2005/05/10 12:11:25 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 org.drools.FactHandle; | |
44 | ||
45 | /** | |
46 | * Implementation of <code>FactHandle</code>. | |
47 | * | |
48 | * @author <a href="mailto:bob@werken.com">bob mcwhirter </a> | |
49 | * @author <a href="mailto:mproctor@codehaus.org"> mark proctor </a> | |
50 | * | |
51 | */ | |
52 | public class FactHandleImpl | |
53 | implements | |
54 | FactHandle | |
55 | { | |
56 | // ---------------------------------------------------------------------- | |
57 | // Instance members | |
58 | // ---------------------------------------------------------------------- | |
59 | ||
60 | /** Handle id. */ | |
61 | private long id; | |
62 | private final long recency; | |
63 | ||
64 | // ---------------------------------------------------------------------- | |
65 | // Constructors | |
66 | // ---------------------------------------------------------------------- | |
67 | ||
68 | 23 | protected FactHandleImpl(long id) |
69 | { | |
70 | 23 | this.id = id; |
71 | 23 | this.recency = id; |
72 | } | |
73 | ||
74 | /** | |
75 | * Construct. | |
76 | * | |
77 | * @param id | |
78 | * Handle id. | |
79 | */ | |
80 | 872 | protected FactHandleImpl(long id, |
81 | long recency) | |
82 | { | |
83 | 872 | this.id = id; |
84 | 872 | this.recency = recency; |
85 | } | |
86 | ||
87 | // ---------------------------------------------------------------------- | |
88 | // Instance members | |
89 | // ---------------------------------------------------------------------- | |
90 | ||
91 | /** | |
92 | * @see Object | |
93 | */ | |
94 | 30628 | public boolean equals( Object object ) |
95 | { | |
96 | 30628 | if ( this == object ) |
97 | { | |
98 | 7030 | return true; |
99 | } | |
100 | ||
101 | 23598 | if ( object == null || ! ( object instanceof FactHandle ) ) |
102 | { | |
103 | 3570 | return false; |
104 | } | |
105 | ||
106 | 20028 | return this.id == ( ( FactHandleImpl ) object ).id; |
107 | } | |
108 | ||
109 | /** | |
110 | * @see Object | |
111 | */ | |
112 | 48746 | public int hashCode() |
113 | { | |
114 | 48746 | return (int) this.id; |
115 | } | |
116 | ||
117 | /** | |
118 | * @see FactHandle | |
119 | */ | |
120 | 16 | public String toExternalForm() |
121 | { | |
122 | 16 | return "[fid:" + this.id + "]"; |
123 | } | |
124 | ||
125 | /** | |
126 | * @see Object | |
127 | */ | |
128 | 16 | public String toString() |
129 | { | |
130 | 16 | return toExternalForm( ); |
131 | } | |
132 | ||
133 | 110948 | public long getRecency() |
134 | { | |
135 | 110948 | return this.recency; |
136 | } | |
137 | ||
138 | 86298 | public long getId() |
139 | { | |
140 | 86298 | return this.id; |
141 | } | |
142 | ||
143 | 54 | void invalidate() |
144 | { | |
145 | 54 | this.id = -1; |
146 | } | |
147 | } |
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