public void Set <T>(IConceptInfo conceptInfo, ConceptMetadataKey <T> metadataKey, T value)
{
Dictionary <Guid, object> conceptInfoMetadata;
string conceptKey = conceptInfo.GetKey();
if (!_metadata.TryGetValue(conceptKey, out conceptInfoMetadata))
{
conceptInfoMetadata = new Dictionary <Guid, object>();
_metadata.Add(conceptKey, conceptInfoMetadata);
}
object oldValue;
if (!conceptInfoMetadata.TryGetValue(metadataKey.Id, out oldValue))
{
conceptInfoMetadata.Add(metadataKey.Id, value);
}
else
{
if (!SameValue(value, oldValue))
{
throw new FrameworkException(
$"Different metadata value is already set for concept {conceptInfo.GetUserDescription()}, key {metadataKey}." +
$" Previous value '{oldValue}', new value '{value}'.");
}
}
}
public T Get <T>(IConceptInfo conceptInfo, ConceptMetadataKey <T> metadataKey)
{
Func <string> missingMetadataMessage = () => "There is no requested metadata for concept " + conceptInfo.GetUserDescription() + ". Metadata key is " + metadataKey + ".";
var conceptInfoMetadata = _metadata.GetValue(conceptInfo.GetKey(), missingMetadataMessage);
var metadataValue = conceptInfoMetadata.GetValue(metadataKey.Id, missingMetadataMessage);
return((T)metadataValue);
}
public bool Contains <T>(IConceptInfo conceptInfo, ConceptMetadataKey <T> metadataKey)
{
Dictionary <Guid, object> conceptInfoMetadata;
if (!_metadata.TryGetValue(conceptInfo.GetKey(), out conceptInfoMetadata))
{
return(false);
}
return(conceptInfoMetadata.ContainsKey(metadataKey.Id));
}
public T GetOrDefault <T>(IConceptInfo conceptInfo, ConceptMetadataKey <T> metadataKey, T defaultValue)
{
return(Contains(conceptInfo, metadataKey)
? Get(conceptInfo, metadataKey)
: defaultValue);
}