public interface NodeSelector<Node> extends LDPathConstruct<Node>
Modifier and Type | Method and Description |
---|---|
String |
getName(NodeBackend<Node> backend)
Return a name for this selector to be used as the name for the whole path if not explicitly
specified.
|
Collection<Node> |
select(RDFBackend<Node> backend,
Node context,
List<Node> path,
Map<Node,List<Node>> resultPaths)
Apply the selector to the context node passed as argument and return the collection
of selected nodes in appropriate order.
|
getPathExpression
Collection<Node> select(RDFBackend<Node> backend, Node context, List<Node> path, Map<Node,List<Node>> resultPaths)
context
- the node where to start the selectionpath
- the path leading to and including the context node in the current evaluation of LDPath; may be null,
in which case path tracking is disabledresultPaths
- a map where each of the result nodes maps to a path leading to the result node in the LDPath evaluation;
if null, path tracking is disabled and the path argument is ignoredString getName(NodeBackend<Node> backend)
UnsupportedOperationException
- in case returning a name is not reasonableCopyright © 2012–2018 The Apache Software Foundation. All rights reserved.