com.hazelcast.query

Interface VisitablePredicate

All Known Implementing Classes:

SqlPredicate

public interface VisitablePredicate

Predicates which can be visited by optimizer.

Method Summary

Modifier and Type	Method and Description
Predicate	accept(com.hazelcast.query.impl.predicates.Visitor visitor, com.hazelcast.query.impl.Indexes indexes) Accept visitor.

Method Detail

accept

Predicate accept(com.hazelcast.query.impl.predicates.Visitor visitor,
                 com.hazelcast.query.impl.Indexes indexes)

Accept visitor. Predicate can either return it's own instance if no modification was done as a result of the visit. In the case there is a change needed then the predicate has to return changed copy of itself. Predicates has to be treated as immutable for optimization purposes.

Parameters:

visitor - visitor to accept

indexes - indexes

Returns:

itself or its changed copy