public Annotation[] GetAnnotations()
{
if (!typeMap.ContainsKey("Annotation"))
{
throw new Exception("Not configured for annotations");
}
string text = GetText();
XmlNodeList annotationNodes = this.SelectNodes(".//" + typeMap["Annotation"]);
List<Annotation> annotations = new List<Annotation>();
foreach (XmlNode node in annotationNodes)
{
Annotation sentence = new Annotation()
{
ID = int.Parse(node.Attributes["annotationID"].Value),
StartPosition = (node.Attributes["begin"].Value == string.Empty ? null : new Nullable<int>(int.Parse(node.Attributes["begin"].Value))),
EndPosition = (node.Attributes["end"].Value == string.Empty ? null : new Nullable<int>(int.Parse(node.Attributes["end"].Value))),
Scope = (UIMA.NET.Annotation.AnnotationScope)byte.Parse(node.Attributes["scope"].Value),
EntityLinkID = SafeGetAttribute(node, "linkID", null),
Details = (node.Attributes["details"] != null ? node.Attributes["details"].Value : "")
};
annotations.Add(sentence);
}
return annotations.ToArray<Annotation>();
}
public void DeleteAnnotation(Annotation annotation)
{
if (!typeMap.ContainsKey("Annotation"))
{
throw new Exception("Not configured for annotations");
}
// Does an annotation exist in the document with the ID?
XmlNodeList annotationNodes = this.SelectNodes(string.Format(".//{0}[@annotationID='{1}'][@linkID='{2}']",
typeMap["Annotation"],
annotation.ID,
annotation.EntityLinkID));
foreach (XmlNode annotationNode in annotationNodes)
{
// Why replace instead of update? This is just a faster way by reusing existing code.
FirstChild.RemoveChild(annotationNode);
}
}
public Annotation UpdateOrAddAnnotation(Annotation annotation)
{
if (!typeMap.ContainsKey("Annotation"))
{
throw new Exception("Not configured for annotations");
}
// Does an annotation exist in the document with the ID?
XmlNode annotationNode = this.SelectSingleNode(string.Format(".//{0}[@annotationID='{1}'][@linkID='{2}']",
typeMap["Annotation"],
annotation.ID,
annotation.EntityLinkID));
if (annotationNode == null)
{
XmlNodeList list = this.SelectNodes(string.Format(".//{0}", typeMap["Annotation"]));
annotation.ID = GetMaxID(list, "annotationID");
annotationNode = annotation.ConvertToNode(typeMap["Annotation"]);
FirstChild.AppendChild(ImportNode(annotationNode, true));
}
else
{
// Why replace instead of update? This is just a faster way by reusing existing code.
FirstChild.ReplaceChild(
ImportNode(annotation.ConvertToNode(typeMap["Annotation"]), true),
annotationNode);
}
return annotation;
}