Examples with PathExpanderBuilder org.neo4j.graphdb.PathExpanderBuilder used on opensource projects

Example 6 with PathExpanderBuilder

use of org.neo4j.graphdb.PathExpanderBuilder in project neo4j by neo4j.

the class DatabaseActions method getNodeRelationships.

@SuppressWarnings("unchecked")
public ListRepresentation getNodeRelationships(long nodeId, RelationshipDirection direction, Collection<String> types) throws NodeNotFoundException {
    Node node = node(nodeId);
    PathExpander expander;
    if (types.isEmpty()) {
        expander = PathExpanders.forDirection(direction.internal);
    } else {
        PathExpanderBuilder builder = PathExpanderBuilder.empty();
        for (String type : types) {
            builder = builder.add(RelationshipType.withName(type), direction.internal);
        }
        expander = builder.build();
    }
    return RelationshipRepresentation.list(expander.expand(Paths.singleNodePath(node), BranchState.NO_STATE));
}