public IReadOnlyList<KnowledgeGraphProperty> GetProperties()
Public Function GetProperties() As IReadOnlyList(Of KnowledgeGraphProperty)
Return Value
IReadOnlyList of type KnowledgeGraphProperty
public IReadOnlyList<KnowledgeGraphProperty> GetProperties()
Public Function GetProperties() As IReadOnlyList(Of KnowledgeGraphProperty)
| Exception | Description |
|---|---|
| ArcGIS.Core.CalledOnWrongThreadException | This method or property must be called within the lambda passed to QueuedTask.Run. |
//Use GetDocumentEntityTypeName(KnowledgeGraphDataModel kg_dm) from //the 'Get Whether KG Has a Document Type' snippet to //get the documentNameType parameter protected bool HasGeometry(KnowledgeGraphNamedObjectType kg_named_obj) { var props = kg_named_obj.GetProperties(); return props.Any(prop => prop.FieldType == FieldType.Geometry); }
QueuedTask.Run(() =>
{
//Create a connection properties
var kg_props =
new KnowledgeGraphConnectionProperties(new Uri(url));
using (var kg = new KnowledgeGraph(kg_props))
{
//Get the KnowledgeGraph Data Model
using (var kg_datamodel = kg.GetDataModel())
{
var entities = kg_datamodel.GetEntityTypes();
var relationships = kg_datamodel.GetRelationshipTypes();
var provenance = kg_datamodel.GetMetaEntityTypes();
var all_graph_types = new List<KnowledgeGraphNamedObjectType>();
all_graph_types.AddRange(entities.Values);
all_graph_types.AddRange(relationships.Values);
all_graph_types.AddRange(provenance.Values);
System.Diagnostics.Debug.WriteLine("\r\nGraph Types");
int c = 0;
foreach (var graph_type in all_graph_types)
{
var type_name = graph_type.GetName();
var role = graph_type.GetRole().ToString();
//equivalent to:
//var fields = featClassDef.GetFields().Select(f => f.Name).ToList();
//var field_names = string.Join(",", fields);
var props = graph_type.GetProperties().Select(p => p.Name).ToList();
var prop_names = string.Join(",", props);
System.Diagnostics.Debug.WriteLine($"[{c++}]: " +
$"{type_name}, {role}, {prop_names}");
}
}
}
});
Target Platforms: Windows 11, Windows 10