Examples with VarPropertyInternal ai.grakn.graql.internal.pattern.property.VarPropertyInternal used on opensource projects

Example 1 with VarPropertyInternal

use of ai.grakn.graql.internal.pattern.property.VarPropertyInternal in project grakn by graknlabs.

the class ConjunctionQuery method equivalentFragmentSetsOfVar.

private static Stream<EquivalentFragmentSet> equivalentFragmentSetsOfVar(VarPatternAdmin var) {
    Collection<EquivalentFragmentSet> traversals = new HashSet<>();
    Var start = var.var();
    var.getProperties().forEach(property -> {
        VarPropertyInternal propertyInternal = (VarPropertyInternal) property;
        Collection<EquivalentFragmentSet> newTraversals = propertyInternal.match(start);
        traversals.addAll(newTraversals);
    });
    if (!traversals.isEmpty()) {
        return traversals.stream();
    } else {
        // If this variable has no properties, only confirm that it is not internal and nothing else.
        return Stream.of(EquivalentFragmentSets.notInternalFragmentSet(null, start));
    }
}