private bool RelationshipExistsByQuery(RelationshipIndex index, Node startNode, Node endNode, bool specifyStartNode)
{
bool found = false;
using (Transaction tx = Db.beginTx(), IndexHits <Relationship> query = index.Query("key", QueryContext.numericRange("key", 0, 3), specifyStartNode ? startNode : null, null))
{
foreach (Relationship relationship in query)
{
if (relationship.StartNodeId == startNode.Id && relationship.EndNodeId == endNode.Id)
{
found = true;
break;
}
}
tx.Success();
}
return(found);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void indexContentsShouldStillBeOrderedAfterRemovalOfKey()
public virtual void IndexContentsShouldStillBeOrderedAfterRemovalOfKey()
{
string indexName = "index";
using (Transaction tx = Db.beginTx())
{
Db.index().forNodes(indexName);
tx.Success();
}
long delete;
long first;
long second;
long third;
long fourth;
using (Transaction tx = Db.beginTx())
{
Index <Node> nodeIndex = Db.index().forNodes(indexName);
Node node = Db.createNode();
delete = node.Id;
nodeIndex.Add(node, "keydelte", "delete");
node = Db.createNode();
second = node.Id;
nodeIndex.Add(node, "key", ValueContext.numeric(2));
nodeIndex.Add(node, "keydelte", "delete");
node = Db.createNode();
fourth = node.Id;
nodeIndex.Add(node, "key", ValueContext.numeric(4));
nodeIndex.Add(node, "keydelte", "delete");
node = Db.createNode();
first = node.Id;
nodeIndex.Add(node, "key", ValueContext.numeric(1));
nodeIndex.Add(node, "keydelte", "delete");
node = Db.createNode();
third = node.Id;
nodeIndex.Add(node, "key", ValueContext.numeric(3));
nodeIndex.Add(node, "keydelte", "delete");
tx.Success();
}
using (Transaction tx = Db.beginTx())
{
Index <Node> nodeIndex = Db.index().forNodes(indexName);
IndexHits <Node> query = nodeIndex.query("key", QueryContext.numericRange("key", 2, 3));
assertEquals(2, query.Size());
query.forEachRemaining(node => assertTrue(node.Id == second || node.Id == third));
}
using (Transaction tx = Db.beginTx())
{
Index <Node> nodeIndex = Db.index().forNodes(indexName);
nodeIndex.Remove(Db.getNodeById(delete), "keydelete");
nodeIndex.Remove(Db.getNodeById(first), "keydelete");
nodeIndex.Remove(Db.getNodeById(second), "keydelete");
nodeIndex.Remove(Db.getNodeById(third), "keydelete");
nodeIndex.Remove(Db.getNodeById(fourth), "keydelete");
tx.Success();
}
using (Transaction tx = Db.beginTx())
{
Index <Node> nodeIndex = Db.index().forNodes(indexName);
IndexHits <Node> query = nodeIndex.query("key", QueryContext.numericRange("key", 2, 3));
assertEquals(2, query.Size());
query.forEachRemaining(node => assertTrue(node.Id == second || node.Id == third));
}
}
