/// <summary>Blocks until the intial <see cref="Couchbase.Lite.Query"/> finishes.</summary>
/// <remarks>If an error occurs while executing the <see cref="Couchbase.Lite.Query"/>, <see cref="LastError"/>
/// will contain the exception. Can be cancelled if results are not returned after <see cref="DefaultQueryTimeout"/> (90 seconds).</remarks>
public void WaitForRows()
{
Start();
while (true)
{
try
{
UpdateQueryTask.Wait(DefaultQueryTimeout, UpdateQueryTokenSource.Token);
LastError = UpdateQueryTask.Exception;
break;
}
catch (OperationCanceledException e) //TODO: Review
{
Log.D(Database.Tag, "Got operation cancel exception waiting for rows", e);
continue;
}
catch (Exception e)
{
Log.E(Database.Tag, "Got interrupted exception waiting for rows", e);
LastError = e;
}
}
}
private void RunUpdateAfterQueryFinishes()
{
if (!runningState)
{
Log.D(Database.Tag, this + ": ReRunUpdateAfterQueryFinishes() fired, but running state == false. Ignoring.");
return; // NOTE: Assuming that we don't want to lose rows we already retrieved.
}
if (UpdateQueryTask != null)
{
try
{
UpdateQueryTask.Wait(DefaultQueryTimeout, UpdateQueryTokenSource.Token);
if (!UpdateQueryTokenSource.IsCancellationRequested)
{
Update();
}
}
catch (Exception e)
{
Log.E(Database.Tag, "Got an exception waiting for Update Query Task to finish", e);
}
}
}
