public NumericValueExp() 
{
     
        try {
            GetPropertyAction act = new GetPropertyAction("jmx.serial.form");
            String form = AccessController.doPrivileged(act);
            compat = (form != null && form.equals("1.0"));
        } catch (Exception e) {
            // OK: exception means no compat with 1.0, too bad
        }
        if (compat) {
            serialPersistentFields = oldSerialPersistentFields;
            serialVersionUID = oldSerialVersionUID;
        } else {
            serialPersistentFields = newSerialPersistentFields;
            serialVersionUID = newSerialVersionUID;
        }
}

Basic constructor.

 NumericValueExp(Number val) 
{
      this.val = val;
}

Creates a new NumericValue representing the numeric literal .

 public ValueExp apply(ObjectName name) throws InvalidApplicationException, BadBinaryOpValueExpException, BadStringOperationException, BadAttributeValueExpException 
{
        return this;
}

Applies the ValueExp on a MBean.

 public double doubleValue() 
{
      if (val instanceof Long || val instanceof Integer)
      {
        return (double)(val.longValue());
      }
      return val.doubleValue();
}

Returns a double numeric value

 public boolean isLong() 
{
        return (val instanceof Long || val instanceof Integer);
}

Returns true is if the numeric value is a long, false otherwise.

 public long longValue() 
{
      if (val instanceof Long || val instanceof Integer)
      {
        return val.longValue();
      }
      return (long)(val.doubleValue());
}

Returns a long numeric value

 public  void setMBeanServer(MBeanServer s) 
{
        super.setMBeanServer(s);
}

 public String toString() 
{
      if (val == null)
        return "null";
      if (val instanceof Long || val instanceof Integer)
      {
        return Long.toString(val.longValue());
      }
      double d = val.doubleValue();
      if (Double.isInfinite(d))
          return (d  > 0) ? "(1.0 / 0.0)" : "(-1.0 / 0.0)";
      if (Double.isNaN(d))
          return "(0.0 / 0.0)";
      return Double.toString(d);
}

Returns the string representing the object