/// <summary>
/// Create and return the current DataSet for the provided dataSetWriter according to current WriterGroupPublishState
/// </summary>
/// <returns></returns>
protected DataSet CreateDataSet(DataSetWriterDataType dataSetWriter, WriterGroupPublishState state)
{
DataSet dataSet = null;
//check if dataSetWriter enabled
if (dataSetWriter.Enabled)
{
uint sequenceNumber = 0;
bool isDeltaFrame = state.IsDeltaFrame(dataSetWriter, out sequenceNumber);
dataSet = Application.DataCollector.CollectData(dataSetWriter.DataSetName);
if (dataSet != null)
{
dataSet.SequenceNumber = sequenceNumber;
dataSet.IsDeltaFrame = isDeltaFrame;
if (isDeltaFrame)
{
dataSet = state.ExcludeUnchangedFields(dataSetWriter, dataSet);
}
}
}
return(dataSet);
}
/// <summary>
/// Initializes a new instance of the <see cref="UaPublisher"/> class.
/// </summary>
internal UaPublisher(IUaPubSubConnection pubSubConnection, WriterGroupDataType writerGroupConfiguration)
{
if (pubSubConnection == null)
{
throw new ArgumentNullException(nameof(pubSubConnection));
}
if (writerGroupConfiguration == null)
{
throw new ArgumentNullException(nameof(writerGroupConfiguration));
}
m_pubSubConnection = pubSubConnection;
m_writerGroupConfiguration = writerGroupConfiguration;
m_writerGroupPublishState = new WriterGroupPublishState();
m_intervalRunner = new IntervalRunner(m_writerGroupConfiguration.Name, m_writerGroupConfiguration.PublishingInterval, CanPublish, PublishMessages);
}
/// <summary>
/// Initializes a new instance of the <see cref="UaPublisher"/> class.
/// </summary>
internal UaPublisher(IUaPubSubConnection pubSubConnection, WriterGroupDataType writerGroupConfiguration)
{
if (pubSubConnection == null)
{
throw new ArgumentNullException(nameof(pubSubConnection));
}
if (writerGroupConfiguration == null)
{
throw new ArgumentNullException(nameof(writerGroupConfiguration));
}
m_pubSubConnection = pubSubConnection;
m_writerGroupConfiguration = writerGroupConfiguration;
m_writerGroupPublishState = new WriterGroupPublishState();
Initialize();
}
/// <summary> /// Create the network messages built from the provided writerGroupConfiguration /// </summary> /// <param name="writerGroupConfiguration">The writer group configuration </param> /// <param name="state">The publish state for the writer group.</param> /// <returns>A list of the <see cref="UaNetworkMessage"/> created from the provided writerGroupConfiguration.</returns> public abstract IList <UaNetworkMessage> CreateNetworkMessages(WriterGroupDataType writerGroupConfiguration, WriterGroupPublishState state);
