javax.management: class: InitialSubStringQueryExp

javax.management
class: InitialSubStringQueryExp [javadoc | source]

java.lang.Object
   javax.management.QueryExpSupport
      javax.management.InitialSubStringQueryExp

All Implemented Interfaces:
QueryExp

An Initial Substring Query Expression.

Returns true when an attribute value starts with the string expression.

Revisions:

20020317 Adrian Brock:

Make queries thread safe

author:

 -  href="mailto:Adrian.Brock@HappeningTimes.com">Adrian Brock.

version: $ - Revision: 1.2 $










    







    
Field Summary
  AttributeValueExp  attr    The attribute to test 
  StringValueExp  string    The string to test 











    
Constructor:
 public InitialSubStringQueryExp(AttributeValueExp attr,
    StringValueExp string) {
      this.attr = attr;
      this.string = string;
}
Construct a new Initial Substring query expression
Parameters:
attr -  the attribute to test
string -  the string to test










    Method from javax.management.InitialSubStringQueryExp Summary:

apply,   toString
Methods from javax.management.QueryExpSupport:

apply,   setMBeanServer
Methods from java.lang.Object:

clone,   equals,   finalize,   getClass,   hashCode,   notify,   notifyAll,   toString,   wait,   wait,   wait
Method from javax.management.InitialSubStringQueryExp Detail:
 public boolean apply(ObjectName name) throws BadStringOperationException, BadBinaryOpValueExpException, BadAttributeValueExpException, InvalidApplicationException {
      ValueExp calcAttr = attr.apply(name);
      ValueExp calcString = string.apply(name);
      if (calcAttr instanceof StringValueExp)
      {
         return ((StringValueExp)calcAttr).toString().startsWith(
                ((StringValueExp)calcString).toString());
      }
      // REVIEW: correct?
      return false;
}
 public String toString() {
      return new String("(" + attr.toString() + " initialSubString " +
                        string.toString() + ")");
}

Field Summary
AttributeValueExp	attr	The attribute to test
StringValueExp	string	The string to test