com.hp.hpl.jena.graph.query
Class GuardArranger

java.lang.Object
  com.hp.hpl.jena.graph.query.GuardArranger

public class GuardArranger
extends Object

A GuardArranger is initialised with a set of triple patterns, and can then turn a set of constraints (plus a map giving the location of variables) into an array of guards, where the i'th element of the array is the set of constraints that can be evaluated as soon as the i'th triple-pattern has been processed.

Constructor Summary

GuardArranger(Triple[] triples)

Method Summary

ValuatorSet[]

makeGuards(Mapping map, ExpressionSet constraints)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GuardArranger

public GuardArranger(Triple[] triples)

Method Detail

makeGuards

public ValuatorSet[] makeGuards(Mapping map,
                                ExpressionSet constraints)