/// <summary>
/// Returns the GroupId if available otherwise a valid identifier cmposed of endpoint url and hash
/// </summary>
public static string GetGroupId(this PublishedNodesEntryModel model)
{
if (model == null)
{
return(string.Empty);
}
return(!string.IsNullOrEmpty(model.DataSetWriterGroup) ?
model.DataSetWriterGroup :
$"{model.EndpointUrl.OriginalString}_{model.GetGroupHashCode()}");
}
/// <summary>
/// Returns the hashcode for a group
/// </summary>
public static int GetGroupHashCode(this PublishedNodesEntryModel model)
{
return(HashCode.Combine(
model.EndpointUrl,
model.UseSecurity,
model.OpcAuthenticationMode,
model.OpcAuthenticationUsername,
model.OpcAuthenticationPassword,
model.EncryptedAuthUsername,
model.EncryptedAuthPassword));
}
/// <summary>
/// Validates if the entry has same group as the model
/// </summary>
public static bool HasSameGroup(this PublishedNodesEntryModel model, PublishedNodesEntryModel that)
{
if (model == that)
{
return(true);
}
if (model == null || that == null)
{
return(false);
}
if (string.Compare(model.DataSetWriterGroup, that.DataSetWriterGroup, StringComparison.InvariantCulture) != 0)
{
return(false);
}
if (model.EndpointUrl != that.EndpointUrl)
{
return(false);
}
if (model.UseSecurity != that.UseSecurity)
{
return(false);
}
if (model.OpcAuthenticationMode != that.OpcAuthenticationMode)
{
return(false);
}
if (string.Compare(model.OpcAuthenticationUsername, that.OpcAuthenticationUsername, StringComparison.InvariantCulture) != 0)
{
return(false);
}
if (string.Compare(model.OpcAuthenticationPassword, that.OpcAuthenticationPassword, StringComparison.InvariantCulture) != 0)
{
return(false);
}
if (string.Compare(model.EncryptedAuthUsername, that.EncryptedAuthUsername, StringComparison.InvariantCulture) != 0)
{
return(false);
}
if (string.Compare(model.EncryptedAuthPassword, that.EncryptedAuthPassword, StringComparison.InvariantCulture) != 0)
{
return(false);
}
return(true);
}
/// <summary>
/// Validates if the entry has same data set definition as the model. Comarison excludes OpcNodes.
/// </summary>
public static bool HasSameDataSet(this PublishedNodesEntryModel model, PublishedNodesEntryModel that)
{
return(model.HasSameGroup(that) &&
string.Equals(model.DataSetWriterId, that.DataSetWriterId, StringComparison.InvariantCulture) &&
model.GetNormalizedDataSetPublishingInterval() == that.GetNormalizedDataSetPublishingInterval());
}
/// <summary>
/// Retrieves the timespan flavor of a PublishedNodesEntryModel's DataSetPublishingInterval
/// </summary>
public static TimeSpan?GetNormalizedDataSetPublishingInterval(
this PublishedNodesEntryModel model, TimeSpan?defaultPublishingTimespan = null)
{
return(model.DataSetPublishingIntervalTimespan
.GetTimeSpanFromMiliseconds(model.DataSetPublishingInterval, defaultPublishingTimespan));
}