Examples of TupleStartEqualsConstraint

org.drools.common.TupleStartEqualsConstraint
Checks if one tuple is the start subtuple of other tuple. For instance, if we have two tuples: T1 = [ a, b, c ] T2 = [ a, b, c, d, e] This constraint will evaluate to true as T1 is the starting subtuple of T2. On the other hand, if we have: T1 = [ a, c, b ] T2 = [ a, b, c, d, e ] This constraint will evaluate to false, as T1 is not the starting subtuple of T2. Besides having the same elements, the order is different. This constraint is used when joining subnetworks back into the main network.
org.drools.core.common.TupleStartEqualsConstraint
Checks if one tuple is the start subtuple of other tuple. For instance, if we have two tuples: T1 = [ a, b, c ] T2 = [ a, b, c, d, e] This constraint will evaluate to true as T1 is the starting subtuple of T2. On the other hand, if we have: T1 = [ a, c, b ] T2 = [ a, b, c, d, e ] This constraint will evaluate to false, as T1 is not the starting subtuple of T2. Besides having the same elements, the order is different. This constraint is used when joining subnetworks back into the main network.

Examples of org.drools.core.common.TupleStartEqualsConstraint


                // restore tuple source from before the start of the sub network
                context.setTupleSource( tupleSource );


                // create a tuple start equals constraint and set it in the context
                final TupleStartEqualsConstraint constraint = TupleStartEqualsConstraint.getInstance();
                final List<BetaNodeFieldConstraint> predicates = new ArrayList<BetaNodeFieldConstraint>();
                predicates.add( constraint );
                context.setBetaconstraints( predicates );
                existSubNetwort = true;

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