public void run()
{
if (random.nextFloat() < CHANCE_LARGE_TX)
{
// Few large transactions
using (Transaction tx = _outerInstance.db.beginTx())
{
for (int i = 0; i < LARGE_TX_SIZE; i++)
{
// Nodes are created with properties here. Whereas the properties don't have a functional
// impact on this test they do affect timings so that the issue is (was) triggered more often
// and therefore have a positive effect on this test.
_outerInstance.db.createNode(randomLabels()).setProperty("name", randomUUID().ToString());
}
tx.Success();
}
}
else
{
// Many small create/delete transactions
Node node;
using (Transaction tx = _outerInstance.db.beginTx())
{
node = _outerInstance.db.createNode(randomLabels());
_nodeHeads.set(_guy, node);
tx.Success();
}
if (random.nextFloat() < CHANCE_TO_DELETE_BY_SAME_THREAD)
{
// Most of the time delete in this thread
if (_nodeHeads.getAndSet(_guy, null) != null)
{
using (Transaction tx = _outerInstance.db.beginTx())
{
node.Delete();
tx.Success();
}
}
// Otherwise there will be other threads sitting there waiting for these nodes and deletes them if they can
}
}
}
public void run()
{
int guy = random.Next(_numberOfCreators);
Node node = _nodeHeads.getAndSet(guy, null);
if (node != null)
{
try
{
using (Transaction tx = _outerInstance.db.beginTx())
{
node.Delete();
tx.Success();
}
}
catch (NotFoundException)
{
// This is OK in this test
}
}
}