private void removeFromIndexes(Relationship relationship) {
final IndexManager indexManager = delegate.index();
for (String indexName : indexManager.relationshipIndexNames()) {
RelationshipIndex relationshipIndex = indexManager.forRelationships(indexName);
if (relationshipIndex.isWriteable()) relationshipIndex.remove(relationship);
}
}
public void removeFromRelationshipIndexNoKeyValue(String indexName, long id) {
RelationshipIndex index = graphDb.index().forRelationships(indexName);
Transaction tx = graphDb.beginTx();
try {
index.remove(graphDb.getRelationshipById(id));
tx.success();
} finally {
tx.finish();
}
}
/**
* {@inheritDoc}
*
* <p>Note that this method will force a successful closing of the current thread's transaction.
* As such, once the index is dropped, the operation is committed.
*
* @param indexName the name of the index to drop
*/
public synchronized void dropIndex(final String indexName) {
this.autoStartTransaction();
if (this.rawGraph.index().existsForNodes(indexName)) {
org.neo4j.graphdb.index.Index<Node> nodeIndex = this.rawGraph.index().forNodes(indexName);
if (nodeIndex.isWriteable()) {
nodeIndex.delete();
}
} else if (this.rawGraph.index().existsForRelationships(indexName)) {
RelationshipIndex relationshipIndex = this.rawGraph.index().forRelationships(indexName);
if (relationshipIndex.isWriteable()) {
relationshipIndex.delete();
}
}
this.stopTransaction(Conclusion.SUCCESS);
}
@Test
public void testGettingAutoIndexByNameReturnsSomethingReadOnly() {
// Create the node and relationship auto-indexes
graphDb.index().getNodeAutoIndexer().setEnabled(true);
graphDb.index().getNodeAutoIndexer().startAutoIndexingProperty("nodeProp");
graphDb.index().getRelationshipAutoIndexer().setEnabled(true);
graphDb.index().getRelationshipAutoIndexer().startAutoIndexingProperty("relProp");
newTransaction();
Node node1 = graphDb.createNode();
Node node2 = graphDb.createNode();
Relationship rel = node1.createRelationshipTo(node2, DynamicRelationshipType.withName("FOO"));
node1.setProperty("nodeProp", "nodePropValue");
rel.setProperty("relProp", "relPropValue");
newTransaction();
assertEquals(1, graphDb.index().nodeIndexNames().length);
assertEquals(1, graphDb.index().relationshipIndexNames().length);
assertEquals("node_auto_index", graphDb.index().nodeIndexNames()[0]);
assertEquals("relationship_auto_index", graphDb.index().relationshipIndexNames()[0]);
Index<Node> nodeIndex = graphDb.index().forNodes("node_auto_index");
RelationshipIndex relIndex = graphDb.index().forRelationships("relationship_auto_index");
assertEquals(node1, nodeIndex.get("nodeProp", "nodePropValue").getSingle());
assertEquals(rel, relIndex.get("relProp", "relPropValue").getSingle());
try {
nodeIndex.add(null, null, null);
fail("Auto indexes should not allow external manipulation");
} catch (UnsupportedOperationException e) { // good
}
try {
relIndex.add(null, null, null);
fail("Auto indexes should not allow external manipulation");
} catch (UnsupportedOperationException e) { // good
}
}