package org.neo4j.graphdb;
import org.neo4j.helpers.Predicate;
/**
* This interface is an extension of the {@link RelationshipExpander} interface
* that makes it possible to build customized versions of an {@link Expander}.
*/
public interface Expander extends RelationshipExpander
{
// Expansion<Relationship> expand( Node start );
Expander reversed();
/**
* Add a {@link RelationshipType} to the {@link Expander}.
*
* @param type relationship type
* @return new instance
*/
Expander add( RelationshipType type );
/**
* Add a {@link RelationshipType} with a {@link Direction} to the
* {@link Expander}.
*
* @param type relationship type
* @param direction expanding direction
* @return new instance
*/
Expander add( RelationshipType type, Direction direction );
/**
* Remove a {@link RelationshipType} from the {@link Expander}.
*
* @param type relationship type
* @return new instance
*/
Expander remove( RelationshipType type );
/**
* Add a {@link Node} filter.
*
* @param filter filter to use
* @return new instance
*/
Expander addNodeFilter( Predicate<? super Node> filter );
/**
* Add a {@link Relationship} filter.
*
* @param filter filter to use
* @return new instance
*/
Expander addRelationsipFilter( Predicate<? super Relationship> filter );
}