public override void Perform(long nodeId, string value)
{
Node node = _db.getNodeById(nodeId);
Label label = Label.label(value);
if (node.HasLabel(label))
{
node.RemoveLabel(label);
}
else
{
node.AddLabel(label);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldIdentifyTransactionWithNetZeroChangesAsReadOnly()
public virtual void ShouldIdentifyTransactionWithNetZeroChangesAsReadOnly()
{
// GIVEN a transaction that has seen some changes, where all those changes result in a net 0 change set
// a good way of producing such state is to add a label to an existing node, and then remove it.
GraphDatabaseAPI db = Dbr.GraphDatabaseAPI;
TransactionIdStore txIdStore = Db.DependencyResolver.resolveDependency(typeof(TransactionIdStore));
long startTxId = txIdStore.LastCommittedTransactionId;
Node node = CreateEmptyNode(db);
using (Transaction tx = Db.beginTx())
{
node.AddLabel(TestLabels.LABEL_ONE);
node.RemoveLabel(TestLabels.LABEL_ONE);
tx.Success();
} // WHEN closing that transaction
// THEN it should not have been committed
assertEquals("Expected last txId to be what it started at + 2 (1 for the empty node, and one for the label)", startTxId + 2, txIdStore.LastCommittedTransactionId);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldDetectNoChangesInCommitsAlsoForTheIndexes()
public virtual void ShouldDetectNoChangesInCommitsAlsoForTheIndexes()
{
// GIVEN a transaction that has seen some changes, where all those changes result in a net 0 change set
// a good way of producing such state is to add a label to an existing node, and then remove it.
GraphDatabaseAPI db = Dbr.GraphDatabaseAPI;
TransactionIdStore txIdStore = Db.DependencyResolver.resolveDependency(typeof(TransactionIdStore));
long startTxId = txIdStore.LastCommittedTransactionId;
Node node = CreateEmptyNode(db);
Index <Node> index = CreateNodeIndex(db);
using (Transaction tx = Db.beginTx())
{
node.AddLabel(TestLabels.LABEL_ONE);
node.RemoveLabel(TestLabels.LABEL_ONE);
index.Add(node, "key", "value");
index.Remove(node, "key", "value");
tx.Success();
} // WHEN closing that transaction
// THEN it should not have been committed
assertEquals("Expected last txId to be what it started at + 3 " + "(1 for the empty node, 1 for index, and one for the label)", startTxId + 3, txIdStore.LastCommittedTransactionId);
}
