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Java > Open Source Codes > org > apache > cayenne > exp > ExpressionParameter


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19
20
21 package org.apache.cayenne.exp;
22
23 import org.apache.cayenne.util.Util;
24
25 /**
26  * Named parameter for paramterized expressions.
27  *
28  * @author Andrus Adamchik
29  */
30 public class ExpressionParameter {
31     protected String JavaDoc name;
32
33     /**
34      * Constructor for ExpressionParam.
35      */
36     public ExpressionParameter(String JavaDoc name) {
37         this.name = name;
38     }
39     
40     /**
41      * Returns the name of the expression parameter.
42      */
43     public String JavaDoc getName() {
44         return name;
45     }
46     
47     public String JavaDoc toString() {
48         return '$' + name;
49     }
50     
51     public boolean equals(Object JavaDoc o) {
52         if(!(o instanceof ExpressionParameter)) {
53             return false;
54         }
55         
56         ExpressionParameter parameter = (ExpressionParameter)o;
57         return Util.nullSafeEquals(name, parameter.name);
58     }
59 }
60
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