private Node addNode(EmbeddedGraphDatabase graphDb) {
Node referenceNode = graphDb.getReferenceNode();
Node node = graphDb.createNode();
node.setProperty("theId", node.getId());
referenceNode.createRelationshipTo(node, MyRels.TEST);
return node;
}
public void generate(String dbPath) {
EmbeddedGraphDatabase graphDb = new EmbeddedGraphDatabase(dbPath);
Index<Node> nodeIndex = graphDb.index().forNodes("nodes");
Index<Relationship> relationshipIndex = graphDb.index().forRelationships("relationships");
graphDb.beginTx();
Node n = graphDb.createNode();
Relationship rel = graphDb.getReferenceNode().createRelationshipTo(n, REL_TYPE);
nodeIndex.add(n, "name", "a");
relationshipIndex.add(rel, "name", "a");
}
public static void main(String[] args) {
String storeDir = args[0];
boolean setGraphProperty = args.length > 1 ? Boolean.parseBoolean(args[1]) : false;
EmbeddedGraphDatabase db = new EmbeddedGraphDatabase(storeDir);
Transaction tx = db.beginTx();
Node node = db.createNode();
node.setProperty("name", "Something");
if (setGraphProperty)
db.getNodeManager().getGraphProperties().setProperty("prop", "Some value");
tx.success();
tx.finish();
System.exit(0);
}
public Node createNode() {
return inner.createNode();
}
@Test
public void testLowGrabSize() {
Map<String, String> config = new HashMap<String, String>();
config.put("relationship_grab_size", "1");
EmbeddedGraphDatabase graphDb = new EmbeddedGraphDatabase(getStorePath("neo2"), config);
Transaction tx = graphDb.beginTx();
Node node1 = graphDb.createNode();
Node node2 = graphDb.createNode();
node1.createRelationshipTo(node2, MyRelTypes.TEST);
node2.createRelationshipTo(node1, MyRelTypes.TEST2);
node1.createRelationshipTo(node2, MyRelTypes.TEST_TRAVERSAL);
tx.success();
tx.finish();
tx = graphDb.beginTx();
Set<Relationship> rels = new HashSet<Relationship>();
RelationshipType types[] =
new RelationshipType[] {MyRelTypes.TEST, MyRelTypes.TEST2, MyRelTypes.TEST_TRAVERSAL};
graphDb.getConfig().getGraphDbModule().getNodeManager().clearCache();
for (Relationship rel : node1.getRelationships(types)) {
assertTrue(rels.add(rel));
}
assertEquals(3, rels.size());
rels.clear();
graphDb.getConfig().getGraphDbModule().getNodeManager().clearCache();
for (Relationship rel : node1.getRelationships()) {
assertTrue(rels.add(rel));
}
assertEquals(3, rels.size());
rels.clear();
graphDb.getConfig().getGraphDbModule().getNodeManager().clearCache();
for (Relationship rel : node2.getRelationships(types)) {
assertTrue(rels.add(rel));
}
assertEquals(3, rels.size());
rels.clear();
graphDb.getConfig().getGraphDbModule().getNodeManager().clearCache();
for (Relationship rel : node2.getRelationships()) {
assertTrue(rels.add(rel));
}
assertEquals(3, rels.size());
rels.clear();
graphDb.getConfig().getGraphDbModule().getNodeManager().clearCache();
for (Relationship rel : node1.getRelationships(Direction.OUTGOING)) {
assertTrue(rels.add(rel));
}
assertEquals(2, rels.size());
rels.clear();
graphDb.getConfig().getGraphDbModule().getNodeManager().clearCache();
for (Relationship rel : node1.getRelationships(Direction.INCOMING)) {
assertTrue(rels.add(rel));
}
assertEquals(1, rels.size());
rels.clear();
graphDb.getConfig().getGraphDbModule().getNodeManager().clearCache();
for (Relationship rel : node2.getRelationships(Direction.OUTGOING)) {
assertTrue(rels.add(rel));
}
assertEquals(1, rels.size());
rels.clear();
graphDb.getConfig().getGraphDbModule().getNodeManager().clearCache();
for (Relationship rel : node2.getRelationships(Direction.INCOMING)) {
assertTrue(rels.add(rel));
}
assertEquals(2, rels.size());
tx.success();
tx.finish();
graphDb.shutdown();
}