public override Property ReadJson(JsonReader reader, Type objectType, Property existingValue, bool hasExistingValue, JsonSerializer serializer)
{
if (reader.TokenType == JsonToken.Null)
{
return(null);
}
IReferenceResolver resolver = serializer.Context.Context as IReferenceResolver;
Property target = null;
string id = string.Empty;
JObject json = JObject.Load(reader);
foreach (JProperty property in json.Properties())
{
if (property.Name == "$ref")
{
target = (Property)serializer.Deserialize(json.CreateReader());
}
else if (property.Name == "$id")
{
id = (string)property.Value;
}
else if (property.Name == "identity")
{
Guid identity = new Guid((string)property.Value);
IReferenceObjectFactory factory = MetadataPersistentContext.Current.Factory;
target = factory.New <Property>(identity);
resolver.AddReference(null, id, target);
}
}
return(target);
}
private void DeserializeBooleanOperator(JsonSerializer serializer, JObject json, BooleanOperator target)
{
IReferenceResolver resolver = serializer.Context.Context as IReferenceResolver;
foreach (JProperty property in json.Properties())
{
if (property.Name == "$id")
{
string id = (string)serializer.Deserialize(property.Value.CreateReader());
resolver.AddReference(null, id, target);
}
else if (property.Name == "Consumer")
{
target.Consumer = (HermesModel)serializer.Deserialize(property.Value.CreateReader());
}
else if (property.Name == "Name")
{
target.Name = (string)property.Value;
}
else if (property.Name == "Operands")
{
target.Operands = serializer.Deserialize <List <BooleanFunction> >(property.Value.CreateReader());
}
}
}
public override PropertyReference ReadJson(JsonReader reader, Type objectType, PropertyReference existingValue, bool hasExistingValue, JsonSerializer serializer)
{
if (reader.TokenType == JsonToken.Null)
{
return(null);
}
IReferenceResolver resolver = serializer.Context.Context as IReferenceResolver;
PropertyReference target = new PropertyReference(null);
JObject json = JObject.Load(reader);
foreach (JProperty property in json.Properties())
{
if (property.Name == "$id")
{
string id = (string)serializer.Deserialize(property.Value.CreateReader());
resolver.AddReference(null, id, target);
}
else if (property.Name == "Consumer")
{
target.Consumer = (HermesModel)serializer.Deserialize(property.Value.CreateReader());
}
else if (property.Name == "Table")
{
JObject expression = JObject.Load(property.Value.CreateReader());
JProperty refProperty = expression.Properties().Where(p => p.Name == "$ref").FirstOrDefault();
if (refProperty != null)
{
target.Table = (TableExpression)serializer.Deserialize(property.Value.CreateReader());
}
else
{
JProperty typeProperty = expression.Properties().Where(p => p.Name == "$type").FirstOrDefault();
if (typeProperty == null)
{
target.Table = null;
}
else
{
string typeName = (string)serializer.Deserialize(typeProperty.Value.CreateReader());
Type type = serializer.SerializationBinder.BindToType(null, typeName);
target.Table = (TableExpression)serializer.Deserialize(property.Value.CreateReader(), type);
}
}
}
else if (property.Name == "Property")
{
target.Property = serializer.Deserialize <Property>(property.Value.CreateReader());
}
}
return(target);
}
public override SelectStatement ReadJson(JsonReader reader, Type objectType, SelectStatement existingValue, bool hasExistingValue, JsonSerializer serializer)
{
if (reader.TokenType == JsonToken.Null)
{
return(null);
}
IReferenceResolver resolver = serializer.Context.Context as IReferenceResolver;
SelectStatement target = new SelectStatement(null, null);
JObject json = JObject.Load(reader);
foreach (JProperty property in json.Properties())
{
if (property.Name == "$id")
{
string id = (string)serializer.Deserialize(property.Value.CreateReader());
resolver.AddReference(null, id, target);
}
else if (property.Name == "Consumer")
{
target.Consumer = (HermesModel)serializer.Deserialize(property.Value.CreateReader());
}
else if (property.Name == "Alias")
{
target.Alias = (string)serializer.Deserialize(property.Value.CreateReader());
}
else if (property.Name == "Hint")
{
target.Hint = (string)serializer.Deserialize(property.Value.CreateReader());
}
else if (property.Name == "FROM")
{
DeserializeFROM(serializer, property, target);
}
else if (property.Name == "SELECT")
{
DeserializeSELECT(serializer, property, target);
}
else if (property.Name == "WHERE")
{
DeserializeWHERE(serializer, property, target);
}
}
return(target);
}
public override JoinExpression ReadJson(JsonReader reader, Type objectType, JoinExpression existingValue, bool hasExistingValue, JsonSerializer serializer)
{
if (reader.TokenType == JsonToken.Null)
{
return(null);
}
IReferenceResolver resolver = serializer.Context.Context as IReferenceResolver;
JoinExpression target = new JoinExpression(null, null);
JObject json = JObject.Load(reader);
foreach (JProperty property in json.Properties())
{
if (property.Name == "$id")
{
string id = (string)serializer.Deserialize(property.Value.CreateReader());
resolver.AddReference(null, id, target);
}
else if (property.Name == "Consumer")
{
target.Consumer = (HermesModel)serializer.Deserialize(property.Value.CreateReader());
}
else if (property.Name == "Alias")
{
target.Alias = (string)serializer.Deserialize(property.Value.CreateReader());
}
else if (property.Name == "Hint")
{
target.Hint = (string)serializer.Deserialize(property.Value.CreateReader());
}
else if (property.Name == "Entity")
{
target.Entity = serializer.Deserialize <Entity>(property.Value.CreateReader());
}
else if (property.Name == "JoinType")
{
target.JoinType = (string)serializer.Deserialize(property.Value.CreateReader());
}
else if (property.Name == "ON")
{
target.ON = serializer.Deserialize <BooleanFunction>(property.Value.CreateReader());
}
}
return(target);
}
public override ParameterExpression ReadJson(JsonReader reader, Type objectType, ParameterExpression existingValue, bool hasExistingValue, JsonSerializer serializer)
{
if (reader.TokenType == JsonToken.Null)
{
return(null);
}
IReferenceResolver resolver = serializer.Context.Context as IReferenceResolver;
ParameterExpression target = new ParameterExpression(null);
JObject json = JObject.Load(reader);
foreach (JProperty property in json.Properties())
{
if (property.Name == "$id")
{
string id = (string)serializer.Deserialize(property.Value.CreateReader());
resolver.AddReference(null, id, target);
}
else if (property.Name == "Consumer")
{
target.Consumer = (HermesModel)serializer.Deserialize(property.Value.CreateReader());
}
else if (property.Name == "Name")
{
target.Name = (string)property.Value;
}
else if (property.Name == "Type")
{
target.Type = serializer.Deserialize <Entity>(property.Value.CreateReader());
}
else if (property.Name == "Value")
{
if (property.Value.Type == JTokenType.Object)
{
target.Value = serializer.Deserialize <ReferenceProxy>(property.Value.CreateReader());
}
else
{
target.Value = serializer.Deserialize(property.Value.CreateReader());
}
}
}
return(target);
}
public override ReferenceProxy ReadJson(JsonReader reader, Type objectType, ReferenceProxy existingValue, bool hasExistingValue, JsonSerializer serializer)
{
if (reader.TokenType == JsonToken.Null)
{
return(null);
}
IReferenceResolver resolver = serializer.Context.Context as IReferenceResolver;
ReferenceProxy target = null;
string id = string.Empty;
Entity entity = null;
JObject json = JObject.Load(reader);
foreach (JProperty property in json.Properties())
{
if (property.Name == "$ref")
{
target = (ReferenceProxy)serializer.Deserialize(json.CreateReader());
}
else if (property.Name == "$id")
{
id = (string)property.Value;
}
else if (property.Name == "type")
{
entity = serializer.Deserialize <Entity>(property.Value.CreateReader());
}
else if (property.Name == "identity")
{
Guid identity = new Guid((string)property.Value);
target = new ReferenceProxy(entity, identity);
resolver.AddReference(null, id, target);
}
}
return(target);
}
public void AddReference(object context, string reference, object value)
{
var representative = GetOrAddRepresentativeObject(value);
defaultResolver.AddReference(context, reference, representative);
}
private DummyAssembly ReadObject(ref Utf8JsonReader reader, JsonSerializerOptions options)
{
byte[] ID = Encoding.UTF8.GetBytes("$id");
byte[] REF = Encoding.UTF8.GetBytes("$ref");
byte[] TYPE = Encoding.UTF8.GetBytes("$type");
string reference1 = string.Empty;
string propertyName = string.Empty;
PropertyInfo propertyInfo = null;
DummyAssembly entity = null;
Type entityType = null;
while (reader.Read())
{
if (reader.TokenType == JsonTokenType.StartObject)
{
if (propertyInfo.IsOptional())
{
IOptional optional = (IOptional)propertyInfo.GetValue(entity);
ReadOption(ref reader, optional, options);
}
else
{
DummyAssembly value = ReadObject(ref reader, options);
propertyInfo.SetValue(entity, value);
}
}
else if (reader.TokenType == JsonTokenType.EndObject)
{
return(entity);
}
else if (reader.TokenType == JsonTokenType.PropertyName)
{
if (reader.ValueTextEquals(REF))
{
reader.Read();
string referenceN = reader.GetString();
entity = (DummyAssembly)_resolver.ResolveReference(referenceN);
while (reader.TokenType != JsonTokenType.EndObject)
{
if (!reader.Read())
{
break;
}
}
return(entity);
}
else if (reader.ValueTextEquals(ID))
{
reader.Read();
reference1 = reader.GetString();
}
else if (reader.ValueTextEquals(TYPE))
{
reader.Read();
string typeCode = reader.GetString();
entityType = _binder.GetType(typeCode);
entity = (DummyAssembly)Activator.CreateInstance(entityType);
_resolver.AddReference(reference1, entity);
}
else
{
propertyName = reader.GetString();
propertyInfo = entityType.GetProperty(propertyName);
}
}
else if (reader.TokenType == JsonTokenType.Null)
{
propertyInfo.SetValue(entity, null);
}
else if (reader.TokenType == JsonTokenType.True)
{
propertyInfo.SetValue(entity, true);
}
else if (reader.TokenType == JsonTokenType.False)
{
propertyInfo.SetValue(entity, false);
}
else if (reader.TokenType == JsonTokenType.Number)
{
uint intValue = reader.GetUInt32();
if (propertyInfo.PropertyType.IsEnum)
{
propertyInfo.SetValue(entity, Enum.GetValues(propertyInfo.PropertyType).GetValue(intValue));
}
else
{
propertyInfo.SetValue(entity, intValue);
}
}
else if (reader.TokenType == JsonTokenType.String)
{
string stringValue = reader.GetString();
if (propertyInfo.PropertyType == typeof(Type))
{
propertyInfo.SetValue(entity, Type.GetType(stringValue));
}
else if (propertyInfo.PropertyType == typeof(Assembly))
{
//AppDomain.CurrentDomain.GetAssemblies().SingleOrDefault(assembly => assembly.GetName().Name == name);
propertyInfo.SetValue(entity, Assembly.Load(stringValue));
}
else
{
propertyInfo.SetValue(entity, stringValue);
}
}
else if (reader.TokenType == JsonTokenType.StartArray)
{
IList list = (IList)propertyInfo.GetValue(entity);
while (reader.TokenType != JsonTokenType.EndArray)
{
if (!reader.Read() || reader.TokenType == JsonTokenType.EndArray)
{
break;
}
DummyAssembly item = ReadObject(ref reader, options);
list.Add(item);
}
}
}
return(entity); // never gets here - JsonTokenType.EndObject returns ...
}
private void DeserializeComparisonOperator(JsonSerializer serializer, JObject json, ComparisonOperator target)
{
IReferenceResolver resolver = serializer.Context.Context as IReferenceResolver;
foreach (JProperty property in json.Properties())
{
if (property.Name == "$id")
{
string id = (string)serializer.Deserialize(property.Value.CreateReader());
resolver.AddReference(null, id, target);
}
else if (property.Name == "Consumer")
{
target.Consumer = (HermesModel)serializer.Deserialize(property.Value.CreateReader());
}
else if (property.Name == "Name")
{
target.Name = (string)property.Value;
}
else if (property.Name == "LeftExpression")
{
JObject expression = JObject.Load(property.Value.CreateReader());
JProperty refProperty = expression.Properties().Where(p => p.Name == "$ref").FirstOrDefault();
if (refProperty != null)
{
target.LeftExpression = (HermesModel)serializer.Deserialize(property.Value.CreateReader());
}
else
{
JProperty typeProperty = expression.Properties().Where(p => p.Name == "$type").FirstOrDefault();
if (typeProperty == null)
{
target.LeftExpression = null;
}
else
{
string typeName = (string)serializer.Deserialize(typeProperty.Value.CreateReader());
Type type = serializer.SerializationBinder.BindToType(null, typeName);
target.LeftExpression = (HermesModel)serializer.Deserialize(property.Value.CreateReader(), type);
}
}
}
else if (property.Name == "RightExpression")
{
JObject expression = JObject.Load(property.Value.CreateReader());
JProperty refProperty = expression.Properties().Where(p => p.Name == "$ref").FirstOrDefault();
if (refProperty != null)
{
target.RightExpression = (HermesModel)serializer.Deserialize(property.Value.CreateReader());
}
else
{
JProperty typeProperty = expression.Properties().Where(p => p.Name == "$type").FirstOrDefault();
if (typeProperty == null)
{
target.RightExpression = null;
}
else
{
string typeName = (string)serializer.Deserialize(typeProperty.Value.CreateReader());
Type type = serializer.SerializationBinder.BindToType(null, typeName);
target.RightExpression = (HermesModel)serializer.Deserialize(property.Value.CreateReader(), type);
}
}
}
}
}
private Entity ReadObject(ref Utf8JsonReader reader, JsonSerializerOptions options)
{
byte[] ID = Encoding.UTF8.GetBytes("$id");
byte[] REF = Encoding.UTF8.GetBytes("$ref");
byte[] TYPE = Encoding.UTF8.GetBytes("$type");
string reference1 = string.Empty;
string propertyName = string.Empty;
PropertyInfo propertyInfo = null;
Entity entity = null;
Type entityType = null;
while (reader.Read())
{
if (reader.TokenType == JsonTokenType.StartObject)
{
Entity value = ReadObject(ref reader, options);
propertyInfo.SetValue(entity, value);
}
else if (reader.TokenType == JsonTokenType.EndObject)
{
return(entity);
}
else if (reader.TokenType == JsonTokenType.PropertyName)
{
if (reader.ValueTextEquals(REF))
{
reader.Read();
string referenceN = reader.GetString();
entity = (Entity)_resolver.ResolveReference(referenceN);
while (reader.TokenType != JsonTokenType.EndObject)
{
if (!reader.Read())
{
break;
}
}
return(entity);
}
else if (reader.ValueTextEquals(ID))
{
reader.Read();
reference1 = reader.GetString();
}
else if (reader.ValueTextEquals(TYPE))
{
reader.Read();
int typeCode = reader.GetInt32();
entityType = _binder.GetType(typeCode);
entity = (Entity)Activator.CreateInstance(entityType);
_resolver.AddReference(reference1, entity);
}
else
{
propertyName = reader.GetString();
propertyInfo = entityType.GetProperty(propertyName);
}
}
else if (reader.TokenType == JsonTokenType.Null)
{
propertyInfo.SetValue(entity, null);
}
else if (reader.TokenType == JsonTokenType.True)
{
propertyInfo.SetValue(entity, true);
}
else if (reader.TokenType == JsonTokenType.False)
{
propertyInfo.SetValue(entity, false);
}
else if (reader.TokenType == JsonTokenType.Number)
{
propertyInfo.SetValue(entity, reader.GetUInt32());
}
else if (reader.TokenType == JsonTokenType.String)
{
propertyInfo.SetValue(entity, reader.GetString());
}
else if (reader.TokenType == JsonTokenType.StartArray)
{
IList list = (IList)propertyInfo.GetValue(entity);
while (reader.TokenType != JsonTokenType.EndArray)
{
if (!reader.Read() || reader.TokenType == JsonTokenType.EndArray)
{
break;
}
Entity item = ReadObject(ref reader, options);
list.Add(item);
}
}
}
return(entity);
}
public override QueryExpression ReadJson(JsonReader reader, Type objectType, QueryExpression existingValue, bool hasExistingValue, JsonSerializer serializer)
{
if (reader.TokenType == JsonToken.Null)
{
return(null);
}
IReferenceResolver resolver = serializer.Context.Context as IReferenceResolver;
QueryExpression target = new QueryExpression();
JObject json = JObject.Load(reader);
foreach (JProperty property in json.Properties())
{
if (property.Name == "$id")
{
string id = (string)serializer.Deserialize(property.Value.CreateReader());
resolver.AddReference(null, id, target);
}
else if (property.Name == "Parameters")
{
JArray array = (JArray)serializer.Deserialize(property.Value.CreateReader());
if (array == null)
{
target.Parameters = null;
}
else if (array.Count == 0)
{
target.Parameters = new List <ParameterExpression>();
}
else
{
target.Parameters = new List <ParameterExpression>();
foreach (JObject item in array)
{
target.Parameters.Add(serializer.Deserialize <ParameterExpression>(item.CreateReader()));
}
}
}
else if (property.Name == "Expressions")
{
JArray array = (JArray)serializer.Deserialize(property.Value.CreateReader());
if (array == null)
{
target.Expressions = null;
}
else if (array.Count == 0)
{
target.Expressions = new List <HermesModel>();
}
else
{
target.Expressions = new List <HermesModel>();
foreach (JObject item in array)
{
string typeName = (string)serializer.Deserialize(item["$type"].CreateReader());
//string typeName = (string)serializer.Deserialize(item.Properties().Where(p => p.Name == "$type").FirstOrDefault().Value.CreateReader());
Type type = serializer.SerializationBinder.BindToType(null, typeName);
target.Expressions.Add((HermesModel)serializer.Deserialize(item.CreateReader(), type));
}
}
}
}
return(target);
}
