/**
* Create a new RDF store using the provided Blueprints graph. Additionally, create edge indices
* for the provided triple patterns (potentially speeding up certain queries, while increasing
* storage overhead).
*
* @param graph the storage layer. If the provided graph implements TransactionalGraph and is in
* manual transaction mode, then this Sail will also be transactional. Any vertices and edges
* in the graph should have been previously created with GraphSail.
* @param indexedPatterns a comma-delimited list of triple patterns for index-based statement
* matching. Only p,c are required, while the default patterns are p,c,pc.
*/
public GraphSail(final T graph, final String indexedPatterns) {
// if (graph instanceof TransactionalGraph)
// ((TransactionalGraph) graph).setTransactionMode(TransactionalGraph.Mode.AUTOMATIC);
// printGraphInfo(graph);
store.sail = this;
store.graph = graph;
createIndices(graph);
store.manualTransactions = store.graph instanceof TransactionalGraph;
// && 0 == ((TransactionalGraph) store.graph).getMaxBufferSize();
store.namespaces = store.getReferenceVertex();
if (null == store.namespaces) {
if (store.manualTransactions) {
((TransactionalGraph) graph).startTransaction();
}
try {
// FIXME: with FAKE_VERTEX_IDS, an extra "namespace" called "value" is present. Perhaps
// namespaces
// should be given individual nodes, rather than being encapsulated in properties of the
// namespaces node.
store.namespaces = store.addVertex(NAMESPACES_VERTEX_ID);
} finally {
if (store.manualTransactions) {
((TransactionalGraph) graph).stopTransaction(TransactionalGraph.Conclusion.SUCCESS);
}
}
}
store.matchers[0] = new TrivialMatcher(graph);
parseTripleIndices(indexedPatterns);
assignUnassignedTriplePatterns();
}
