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25 
26 package javax.management;
27 
28 
29 
30 /**
31  * This class is used by the query-building mechanism to represent
32  * disjunctions of relational expressions.
33  * @serial include
34  *
35  * @since 1.5
36  */
37 class OrQueryExp extends QueryEval implements QueryExp {
38 
39     /* Serial version */
40     private static final long serialVersionUID = 2962973084421716523L;
41 
42     /**
43      * @serial The left query expression
44      */
45     private QueryExp exp1;
46 
47     /**
48      * @serial The right query expression
49      */
50     private QueryExp exp2;
51 
52 
53     /**
54      * Basic Constructor.
55      */
OrQueryExp()56     public OrQueryExp() {
57     }
58 
59     /**
60      * Creates a new OrQueryExp with the specified ValueExps
61      */
OrQueryExp(QueryExp q1, QueryExp q2)62     public OrQueryExp(QueryExp q1, QueryExp q2) {
63         exp1 = q1;
64         exp2 = q2;
65     }
66 
67 
68     /**
69      * Returns the left query expression.
70      */
getLeftExp()71     public QueryExp getLeftExp() {
72         return exp1;
73     }
74 
75     /**
76      * Returns the right query expression.
77      */
getRightExp()78     public QueryExp getRightExp() {
79         return exp2;
80     }
81 
82     /**
83      * Applies the OrQueryExp on a MBean.
84      *
85      * @param name The name of the MBean on which the OrQueryExp will be applied.
86      *
87      * @return  True if the query was successfully applied to the MBean, false otherwise.
88      *
89      *
90      * @exception BadStringOperationException The string passed to the method is invalid.
91      * @exception BadBinaryOpValueExpException The expression passed to the method is invalid.
92      * @exception BadAttributeValueExpException The attribute value passed to the method is invalid.
93      */
apply(ObjectName name)94     public boolean apply(ObjectName name) throws BadStringOperationException,
95         BadBinaryOpValueExpException, BadAttributeValueExpException,
96         InvalidApplicationException {
97         return exp1.apply(name) || exp2.apply(name);
98     }
99 
100     /**
101      * Returns a string representation of this OrQueryExp
102      */
103     @Override
toString()104     public String toString() {
105         return "(" + exp1 + ") or (" + exp2 + ")";
106     }
107 }
108