/// <summary>
/// Creates a schema definition for Mapping element for mapping desing model attributes and relations.
/// </summary>
/// <param name="builder"></param>
/// <param name="designModelTypeName"></param>
/// <param name="addAttributes"></param>
/// <param name="addRelations"></param>
/// <param name="dataTypeRegistry"></param>
/// <returns></returns>
public static ISchemaElementBuilder AddClassMappingSchema(
this ISchemaElementBuilder builder,
string designModelTypeName,
bool addAttributes,
bool addRelations,
IDataTypeRegistry dataTypeRegistry
)
{
// Define the schema elements.
var stringType = dataTypeRegistry.Get(BasePluginConstants.DataType_string);
var boolType = dataTypeRegistry.Get(BasePluginConstants.DataType_bool);
builder = builder
.CreateElement("Mapping", $"Defines a mapping from the source {designModelTypeName}")
.CreateAttribute("src", stringType, $"Source {designModelTypeName} name", c => c.IsMandatory = true)
.CreateAttribute("name", stringType, $"Mapping name. Needed if multiple mappings to the same design models are defined.")
.CreateAttribute("dest", stringType, $"Destination {designModelTypeName} name", c => c.IsMandatory = true)
.CreateAttribute("attributes", boolType, "Whether to map attributes")
.CreateAttribute("relations", boolType, "Whether to map relations")
.CreateAttribute("two-way", boolType, "Whether to to create a mapping for both directions.")
.CreateAttribute("add-missing", boolType, "Whether to all attributes and relations which exists at the source and not at the destination.");
if (addAttributes)
{
builder
.CreateElement("Attribute", "Specifies how a specific attribute will be mapped")
.CreateAttribute("src", stringType, "Source design model attribute name", c => c.IsMandatory = true)
.CreateAttribute("dest", stringType, "Destination design model attribute name", c => c.IsMandatory = true)
.Parent()
.CreateElement("SkipAttribute", "Specifies that the specific attribute will not be mapped")
.CreateAttribute("name", stringType, "Name of the attribute to skip", c => c.IsMandatory = true);
}
if (addRelations)
{
builder
.CreateElement("Relation", "Specifies how a specific attribute will be mapped")
.CreateAttribute("src", stringType, "Source design model relation name", c => c.IsMandatory = true)
.CreateAttribute("dest", stringType, "Destination design model relation name", c => c.IsMandatory = true)
.CreateAttribute("attributes", boolType, "Whether to map attributes")
.CreateAttribute("add-missing", boolType, "Whether to all attributes which exists at the source and not at the destination.")
.CreateAttribute("two-way", boolType, "Whether to to create a mapping for both directions.")
.Parent()
.CreateElement("SkipRelation", "Specifies that the specific relation will not be mapped")
.CreateAttribute("name", stringType, "Name of the attribute to skip", c => c.IsMandatory = true);
}
return(builder.Parent());
}
public override IDesignModel GenerateDesignModel(IXmlElement xmlElement, DesignModelParseContext context)
{
var entity = (Entity)context.DesignModel;
var name = xmlElement.GetStringAttributeValue("name");
var type = _dataTypeRegistry.Get(xmlElement.GetStringAttributeValue("type"));
var attribute = new EntityAttribute(name, type, xmlElement, xmlElement.ParseLocation);
entity.AddAttribute(attribute);
// Don't register this design model globally.
return(null);
}