/// <summary>
/// Tries to load an annotation schema from disk.
/// </summary>
/// <param name="fileName">The full path and filename of the annotation schema to load.</param>
/// <param name="annotationSchema">The loaded annotation schema if successful.</param>
/// <returns>True if the annotation schema is loaded successfully, otherwise null.</returns>
public static bool TryLoadFrom(string fileName, out AnnotationSchema annotationSchema)
{
annotationSchema = null;
if (!File.Exists(fileName))
{
return(false);
}
try
{
annotationSchema = LoadFrom(fileName);
}
catch (Exception)
{
return(false);
}
return(true);
}
/// <summary>
/// Unregisters an annotation schema with the registry.
/// </summary>
/// <param name="schema">The annotation schema to unregister.</param>
public void Unregister(AnnotationSchema schema)
{
this.InternalSchemas.Remove(schema);
}
/// <summary>
/// Registers an annotation schema with the registry.
/// </summary>
/// <param name="schema">The annotation schema to register.</param>
public void Register(AnnotationSchema schema)
{
this.InternalSchemas.Add(schema);
}
/// <summary>
/// Adds an annotation schema to the annotated event schemas.
/// </summary>
/// <param name="schema">The annotation schema to add.</param>
public void AddSchema(AnnotationSchema schema)
{
this.InternalSchemas.Add(schema);
}
/// <summary>
/// Sets an annotation on the annotated event.
/// </summary>
/// <param name="index">The index of the annotation to set.</param>
/// <param name="value">Value of the annotation.</param>
/// <param name="schema">Schema of the annotation.</param>
public void SetAnnotation(int index, string value, AnnotationSchema schema)
{
this.InternalAnnotations[index] = value;
}
/// <summary>
/// Adds a new annotation to the annotated event.
/// </summary>
/// <param name="value">Value of the annotation.</param>
/// <param name="schema">Schema of the annotation.</param>
public void AddAnnotation(string value, AnnotationSchema schema)
{
this.InternalAnnotations.Add(value);
}
