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25 
26 package javax.management;
27 
28 // java import
29 import java.io.Serializable;
30 
31 
32 /**
33  * <p>Represents relational constraints similar to database query "where
34  * clauses". Instances of QueryExp are returned by the static methods of the
35  * {@link Query} class.</p>
36  *
37  * <p>It is possible, but not
38  * recommended, to create custom queries by implementing this
39  * interface.  In that case, it is better to extend the {@link
40  * QueryEval} class than to implement the interface directly, so that
41  * the {@link #setMBeanServer} method works correctly.
42  *
43  * @see MBeanServer#queryNames MBeanServer.queryNames
44  * @since 1.5
45  */
46 public interface QueryExp extends Serializable {
47 
48 
49      /**
50       * Applies the QueryExp on an MBean.
51       *
52       * @param name The name of the MBean on which the QueryExp will be applied.
53       *
54       * @return  True if the query was successfully applied to the MBean, false otherwise
55       *
56       * @throws BadStringOperationException when an invalid string
57       * operation is passed to a method for constructing a query
58       * @throws BadBinaryOpValueExpException when an invalid expression
59       * is passed to a method for constructing a query
60       * @throws BadAttributeValueExpException when an invalid MBean
61       * attribute is passed to a query constructing method
62       * @throws InvalidApplicationException when an invalid apply is attempted
63       */
apply(ObjectName name)64      public boolean apply(ObjectName name) throws BadStringOperationException, BadBinaryOpValueExpException,
65          BadAttributeValueExpException, InvalidApplicationException ;
66 
67      /**
68       * Sets the MBean server on which the query is to be performed.
69       *
70       * @param s The MBean server on which the query is to be performed.
71       */
setMBeanServer(MBeanServer s)72      public void setMBeanServer(MBeanServer s) ;
73 
74  }
75