/// <summary>
/// Deserialize schemas and collection elements
/// </summary>
/// <param name="collection"></param>
/// <returns></returns>
public static IPropertySetCollection Deserialize(this PersistentPropertyCollection collection)
{
PropertySchemaSet schemaSet = new PropertySchemaSet(new PropertySchemaFactory());
PropertySetCollection restored = new PropertySetCollection(schemaSet);
//restore schemas
foreach (PersistentPropertyElement element in collection.Elements)
{
PersistentSchemaElement schemaElement = collection.Schemas.First(s => s.SchemaName == element.Name);
var valueSchema = JsonSchemaDeserializer.Deserialize(schemaElement.SchemaType, schemaElement.SchemaBody);
SerializationTypeHint hint = (SerializationTypeHint)schemaElement.SerializationHint;
Func <PersistentPropertyElement, object> valueRetriever;
if (!_serializationMap.TryGetValue(hint, out valueRetriever))
{
throw new ArgumentException($"{element.Name} {hint}");
}
object val = valueRetriever(element);
switch (hint)
{
case SerializationTypeHint.JsonString:
val = valueSchema.Serializer.Deserialize(val.ToString());
break;
case SerializationTypeHint.BinaryObject:
case SerializationTypeHint.Object:
byte[] data = (byte[])val;
val = valueSchema.Serializer.Deserialize(data);
break;
}
restored.Add(element.Name, val, valueSchema);
}
return(restored);
}
/// <summary>
/// Create Persistent Schema Elements
/// </summary>
/// <param name="collection"></param>
/// <param name="schemaElements"></param>
/// <param name="dataElements"></param>
public static void CreatePersistentSchemaElements(this IPropertySetCollection collection, out List <PersistentSchemaElement> schemaElements,
out List <PersistentPropertyElement> dataElements)
{
schemaElements = new List <PersistentSchemaElement>();
dataElements = new List <PersistentPropertyElement>();
foreach (var schema in collection.Schemas.Schemas)
{
SchemaJsonSerializationVisitor visitor = new SchemaJsonSerializationVisitor();
schema.Value.Accept(visitor);
PersistentSchemaElement se = new PersistentSchemaElement
{
SchemaName = schema.Key,
SchemaType = visitor.SchemaType.ToString(),
SchemaBody = visitor.JsonValue,
SerializationHint = (int)visitor.Hint
};
schemaElements.Add(se);
}
foreach (string k in collection.Keys)
{
PersistentPropertyElement element = new PersistentPropertyElement
{
Name = k
};
ValueSerializationTarget target = new ValueSerializationTarget(element);
collection.Schemas.GetSchema(k).Serializer.Serialize(collection[k], target);
dataElements.Add(element);
}
}
