/// <summary>
/// Populates external updates from the update queue if there are {@code queueThreshold} or more queued updates.
/// </summary>
/// <returns> whether or not there were external updates applied. </returns>
internal virtual bool PopulateFromQueue(int queueThreshold, long currentlyIndexedNodeId)
{
int queueSize = UpdatesQueue.Count;
if (queueSize > 0 && queueSize >= queueThreshold)
{
if (PrintDebug)
{
Log.info("Populating from queue at %d", currentlyIndexedNodeId);
}
// Before applying updates from the updates queue any pending scan updates needs to be applied, i.e. flushed.
// This is because 'currentlyIndexedNodeId' is based on how far the scan has come.
FlushAll();
using (MultipleIndexUpdater updater = NewPopulatingUpdater(_storeView))
{
do
{
// no need to check for null as nobody else is emptying this queue
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: org.neo4j.kernel.api.index.IndexEntryUpdate<?> update = updatesQueue.poll();
IndexEntryUpdate <object> update = UpdatesQueue.RemoveFirst();
_storeScan.acceptUpdate(updater, update, currentlyIndexedNodeId);
if (PrintDebug)
{
Log.info("Applied %s from queue" + update);
}
} while (UpdatesQueue.Count > 0);
}
if (PrintDebug)
{
Log.info("Done applying updates from queue");
}
return(true);
}
return(false);
}
public override void AcceptUpdate <T1>(MultipleIndexUpdater updater, IndexEntryUpdate <T1> update, long currentlyIndexedNodeId)
{
Delegate.acceptUpdate(updater, update, currentlyIndexedNodeId);
}