code: public void addMBeanAttribute(String mbean, String attribute,
  			String composite, GMetricType type, String units,
  			GMetricSlope slope, String publishName) throws Exception {
  		addMBeanAttribute(mbean, attribute, composite, type, units, slope,
  				publishName, 0);
  	}
docs: Adds a mbean name/attribute pair to be sampled
  
  @param mbean
  the name of the mbean
  @param attribute
  the name of the attribute
  @param composite
  the name of the composite
  @param publishName
  the name to publish this attribute on
  @throws java.lang.Exception