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Java > Open Source Codes > ch > ethz > prose > query > Tuple


1 // $Id: Tuple.java,v 1.1.1.1 2003/07/02 15:30:52 apopovic Exp $
2 // =====================================================================
3 //
4 // (history at end)
5 //
6
7 package ch.ethz.prose.query;
8
9 // used packages
10 import java.util.*;
11 import java.io.*;
12
13 /**
14  * Class Tuple XXX
15  *
16  * @version $Revision: 1.1.1.1 $
17  * @author Andrei Popovici
18  */
19 public
20 class Tuple implements java.io.Serializable JavaDoc {
21
22
23     public Tuple(AspectSurrogate as, CrosscutSurrogate cs, JoinPointRequestSurrogate js)
24     {
25     aspectSurrogate = as;
26     crosscutSurrogate = cs;
27     jpSurrogate = js;
28     }
29
30     public Tuple()
31     {
32     //Tuple(null,null,null);
33 }
34
35     AspectSurrogate aspectSurrogate;
36     CrosscutSurrogate crosscutSurrogate;
37     JoinPointRequestSurrogate jpSurrogate;
38
39     public void setAspectSurrogate(AspectSurrogate as)
40     { aspectSurrogate = as; }
41
42     public void setCrosscutSurrogate(CrosscutSurrogate cs)
43     { crosscutSurrogate = cs; }
44
45     public void setRequestSurrogate(JoinPointRequestSurrogate jprs)
46     { jpSurrogate = jprs; }
47
48     public JoinPointRequestSurrogate getRequestSurrogate()
49     { return jpSurrogate; }
50
51     public AspectSurrogate getAspectSurrogate()
52     { return aspectSurrogate; }
53
54     public CrosscutSurrogate getCrosscutSurrogate()
55     { return crosscutSurrogate; }
56
57     public String JavaDoc toString()
58     {
59     return "(" + aspectSurrogate + "," + crosscutSurrogate + "," + jpSurrogate + ")\n";
60     }
61
62     /**
63      * Indicates whether some other object is "equal to" this one. The
64      * result is <code>true</code> if and only if <code>obj</code> is
65      * not <code>null</code> and is a instance of
66      * <code>Tuple</code> and has equal contents as this
67      * object.
68      * @param obj other object with which to compare
69      * @return <code>true</code> iff <code>obj</code> is equal to this
70      * <code>Tuple</code>
71      */
72     public
73     boolean equals(Object JavaDoc obj)
74     {
75     if (obj instanceof Tuple)
76         {
77         boolean aspBool=false, croBool=false, joiBool=false;
78         Tuple other = (Tuple)obj;
79
80         if (other.aspectSurrogate == null)
81             aspBool = (this.aspectSurrogate == null);
82         else
83             aspBool = other.aspectSurrogate.equals(this.aspectSurrogate);
84
85         if (aspBool)
86             if (other.crosscutSurrogate == null)
87             croBool = (this.crosscutSurrogate == null);
88             else
89             croBool = other.crosscutSurrogate.equals(this.crosscutSurrogate);
90
91         if (croBool)
92             if (other.jpSurrogate == null)
93             joiBool = (this.jpSurrogate == null);
94             else
95             joiBool = other.jpSurrogate.equals(this.jpSurrogate);
96
97         return (aspBool && croBool && joiBool);
98     }
99       else return false;
100     }
101
102     /**
103      * Returns a hashcode for this object.
104      * @return hashcode value
105      */
106     public
107     int hashCode()
108     {
109     int retVal = 0;
110     if (jpSurrogate != null)
111         retVal += jpSurrogate.hashCode();
112     if (aspectSurrogate != null)
113         retVal += aspectSurrogate.hashCode();
114     if (crosscutSurrogate != null)
115         retVal += crosscutSurrogate.hashCode();
116     return retVal;
117     }
118
119
120
121 }
122
123
124 //======================================================================
125 //
126 // $Log: Tuple.java,v $
127 // Revision 1.1.1.1 2003/07/02 15:30:52 apopovic
128 // Imported from ETH Zurich
129 //
130 // Revision 1.1 2003/05/20 16:05:12 popovici
131 //
132 // New QueryManager replaces functionality in AspectManager (better Soc)
133 // New 'Surrogate' classes for usage in the QueryManager
134 // The 'RemoteAspectManager' and tools modified to use the Surrogates and the QueryManager
135 //
136
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