LogicalParserHasNextObservationRecordAsync Method

Determines whether there are any more ObservationRecords to be read from the PQDIF file.

Definition

Namespace: Gemstone.PQDIF.Logical
Assembly: Gemstone.PQDIF (in Gemstone.PQDIF.dll) Version: 1.0.171 -- Release Build+af1e6271f2015b03a58bc9ef784f0f2b9eeab0d2
public Task<bool> HasNextObservationRecordAsync()

Return Value

TaskBoolean
true if there is another observation record to be read from PQDIF file; false otherwise

Exceptions

InvalidOperationException

The PQDIF file is not open.

- OR -

PQDIF file has more than one container record.

InvalidDataExceptionObservation record found with no corresponding data source record.
EndOfStreamExceptionEnd of stream encountered while reading the next observation record.

See Also