NotQueryExp.java revision 2362
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0N/A
0N/Apackage javax.management;
0N/A
0N/A
/**
* This class is used by the query-building mechanism to represent negations
* of relational expressions.
* @serial include
*
* @since 1.5
*/
class NotQueryExp extends QueryEval implements QueryExp {
/* Serial version */
private static final long serialVersionUID = 5269643775896723397L;
/**
* @serial The negated {@link QueryExp}
*/
private QueryExp exp;
/**
* Basic Constructor.
*/
public NotQueryExp() {
}
/**
* Creates a new NotQueryExp for negating the specified QueryExp.
*/
public NotQueryExp(QueryExp q) {
exp = q;
}
/**
* Returns the negated query expression of the query.
*/
public QueryExp getNegatedExp() {
return exp;
}
/**
* Applies the NotQueryExp on a MBean.
*
* @param name The name of the MBean on which the NotQueryExp will be applied.
*
* @return True if the query was successfully applied to the MBean, false otherwise.
*
* @exception BadStringOperationException
* @exception BadBinaryOpValueExpException
* @exception BadAttributeValueExpException
* @exception InvalidApplicationException
*/
public boolean apply(ObjectName name) throws BadStringOperationException, BadBinaryOpValueExpException,
BadAttributeValueExpException, InvalidApplicationException {
return exp.apply(name) == false;
}
/**
* Returns the string representing the object.
*/
@Override
public String toString() {
return "not (" + exp + ")";
}
}