public T Get <T>(IConceptInfo conceptInfo, ConceptMetadataType <T> metadataType)
{
Func <string> missingMetadataMessage = () => "There is no metadata of requested type for concept " + conceptInfo.GetUserDescription() + ". Metadata type is " + metadataType + ".";
var conceptMetadataByType = _metadata.GetValue(conceptInfo.GetKey(), missingMetadataMessage);
var metadataValue = conceptMetadataByType.GetValue(metadataType.Id, missingMetadataMessage);
return((T)metadataValue);
}
public bool Contains <T>(IConceptInfo conceptInfo, ConceptMetadataType <T> metadataType)
{
Dictionary <Guid, object> conceptMetadataByType;
if (!_metadata.TryGetValue(conceptInfo.GetKey(), out conceptMetadataByType))
{
return(false);
}
return(conceptMetadataByType.ContainsKey(metadataType.Id));
}
public void Set <T>(IConceptInfo conceptInfo, ConceptMetadataType <T> metadataType, T value)
{
Dictionary <Guid, object> conceptMetadataByType;
string conceptKey = conceptInfo.GetKey();
if (!_metadata.TryGetValue(conceptKey, out conceptMetadataByType))
{
conceptMetadataByType = new Dictionary <Guid, object>();
_metadata.Add(conceptKey, conceptMetadataByType);
}
if (conceptMetadataByType.ContainsKey(metadataType.Id))
{
throw new FrameworkException(string.Format(
"The metadata is already set for concept {0}. Metadata type {1}.",
conceptInfo.GetUserDescription(),
metadataType));
}
conceptMetadataByType.Add(metadataType.Id, value);
}
public T GetOrDefault <T>(IConceptInfo conceptInfo, ConceptMetadataType <T> metadataType, T defaultValue)
{
return(Contains(conceptInfo, metadataType)
? Get(conceptInfo, metadataType)
: defaultValue);
}
public bool Contains <T>(IConceptInfo conceptInfo, ConceptMetadataType <T> metadataType)
{
return(_metadata.ContainsKey(conceptInfo.GetKey()));
}