/**
* Limit the root documents accessible to the query to the given list, overriding the any set
* derived from the query's context. The query will still be able to access other documents
* through bound variables or by naming them directly, though.
*
* @param rootDocs the list of root documents to limit the query to
* @return this service, to chain calls
*/
public QueryService limitRootDocuments(Collection<XMLDocument> rootDocs) {
overrideDocs = new DefaultDocumentSet();
for (XMLDocument doc : rootDocs) ((MutableDocumentSet) overrideDocs).add(doc.doc);
return this;
}
