About: http://webisa.webdatacommons.org/336536821

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Is there, a way to detect an error condition within the classes member functions before doing what they are designed to do (so they can do nothing, except possibly log the error, if there is an error condition)?
http://www.w3.org/ns/prov#wasQuotedFrom	perlmonks.org