Frame on the choice point stack used to represent the state of some form of triple
match - this is either a direct graph query or a query to a cached set of results.
This is used in the inner loop of the interpreter and so is a pure data structure
not an abstract data type and assumes privileged access to the interpreter state.
author: Dave Reynolds version: $Revision: 1.8 $ on $Date: 2008/01/02 12:06:17 $
Initialize the triple match to preserve the current context of the given
LPInterpreter and search for the match defined by the current argument registers
Parameters: intepreter - the interpreter instance whose env, trail and arg values are to be preserved
Fields inherited from com.hp.hpl.jena.reasoner.rulesys.impl.GenericChoiceFrame