public OntologyDesc GetOntologyDesc()
{
// Keywords
var searcher = new MetadataCacheSearcher();
var keywordsList = searcher.GetKeywords();
keywordsList.Add(Constants.RootName);
var sortedKeywords = new SortedSet <string>(keywordsList);
// Ontology tree
var tree = new OntologyTree();
var parentNode = new OntologyNode(Constants.RootName);
foreach (var keyword in keywordsList.Where(keyword => keyword != Constants.RootName))
{
parentNode.Nodes.Add(new OntologyNode(keyword));
}
tree.Nodes.Add(parentNode);
// Return result
var result = new OntologyDesc
{
Keywords = sortedKeywords,
OntoloyTree = tree,
};
return(result);
}
public OntologyDesc GetOntologyDesc()
{
// Synonyms and keywords
var tmpsyndoc = ReadOntologySynonymsXmlFile();
keywordsList = new SortedSet <string>();
var synonyms = new List <OntologyPath>();
var root = tmpsyndoc.DocumentElement;
foreach (XmlElement elem in root.ChildNodes)
{
var ontoPath = new OntologyPath();
foreach (XmlElement child in elem.ChildNodes)
{
var text = child.InnerText.Trim();
if (child.Name == "conceptID")
{
int conceptID;
if (Int32.TryParse(text, out conceptID))
{
ontoPath.ConceptID = conceptID;
}
}
else if (child.Name == "ConceptName")
{
ontoPath.ConceptName = text;
}
else if (child.Name == "ConceptPath")
{
ontoPath.ConceptPath = text;
}
else if (child.Name == "SearchableKeyword")
{
ontoPath.SearchableKeyword = text;
}
}
// Add to sysnonyms, only if SearchableKeyword != ConceptName
if (!string.Equals(ontoPath.SearchableKeyword, ontoPath.ConceptName) &&
!string.IsNullOrEmpty(ontoPath.SearchableKeyword))
{
synonyms.Add(ontoPath);
}
if (!String.IsNullOrWhiteSpace(ontoPath.SearchableKeyword))
{
keywordsList.Add(ontoPath.SearchableKeyword);
}
}
// Ontology tree
var tree = new OntologyTree();
var tmpxmldoc = ReadOntologyXmlFile();
FillTree(tmpxmldoc.DocumentElement, tree.Nodes);
// Replace Hydroshpere with All
keywordsList.Remove("Hydrosphere");
keywordsList.Add(Constants.RootName);
if (tree.Nodes.Count > 0)
{
tree.Nodes[0].Text = Constants.RootName;
}
// Return result
var result = new OntologyDesc
{
OntoloyTree = tree,
Keywords = keywordsList,
Synonyms = synonyms,
};
return(result);
}
internal static List <string> RefineKeywordList(OntologyDesc desc, List <string> keywords)
{
var ontologyTree = desc.OntoloyTree;
var allKeywords = desc.Keywords;
// If searching 1st tier keywords, clear the list.
var tier1Keywords = ontologyTree.Nodes.Select(d => d.Text);
if (tier1Keywords.Any(keywords.Contains))
{
keywords.Clear();
return(keywords);
}
// Remove duplicates
keywords = keywords.Distinct().ToList();
// Remove invalid keywords
var toDelete = new HashSet <string>(keywords.Where(k => !allKeywords.Contains(k)));
// Remove keywords if their ancestors are also in the list.
foreach (var keyword in keywords)
{
if (toDelete.Contains(keyword))
{
continue;
}
var node = ontologyTree.FindNode(keyword);
if (node == null)
{
continue;
}
foreach (var other in keywords)
{
if (other == keyword)
{
continue;
}
if (toDelete.Contains(other))
{
continue;
}
if (node.HasChild(other))
{
toDelete.Add(other);
}
}
}
foreach (var del in toDelete)
{
keywords.Remove(del);
}
// Replace 2nd tier keywords with their 3rd tier child keywords.
// 2nd tier keywords cannot be searched at HIS Central.
foreach (var tier2Node in ontologyTree.Nodes.SelectMany(node => node.Nodes))
{
var tier2keyword = tier2Node.Text;
if (!keywords.Contains(tier2keyword))
{
continue;
}
// Remove 2nd tier keyword
keywords.Remove(tier2keyword);
// Add 3rd tier keywords that are children of the removed 2nd tier keyword.
var tier3Keywords = tier2Node.Nodes.Select(d => d.Text);
foreach (var tier3keyword in tier3Keywords.Where(tier3keyword => !keywords.Contains(tier3keyword)))
{
keywords.Add(tier3keyword);
}
}
return(keywords);
}
