public SlicedEntityMetadata([NotNull] string name, [NotNull] EntitySchema schema,
[NotNull] IEnumerable <EntityAssociation> associations, [NotNull] ConnectorParameters connectorParameters, ApplicationSchemaDefinition appSchema,
IEnumerable <SlicedEntityMetadata> innerMetadatas, int?fetchLimit = 300, SlicedEntityMetadata unionSchema = null)
: base(name, schema, associations, connectorParameters)
{
_appSchema = appSchema;
_fetchLimit = fetchLimit;
_innerMetadatas.AddRange(innerMetadatas);
_unionSchema = unionSchema;
}
public static SlicedEntityMetadata GetInstance(EntityMetadata entityMetadata,
ApplicationSchemaDefinition appSchema, int?fetchLimit = 300, bool isUnionSchema = false)
{
var entityAttributes = entityMetadata.Schema.Attributes;
var usedRelationships = new HashSet <EntityAssociation>();
ISet <EntityAttribute> usedAttributes = new HashSet <EntityAttribute>();
foreach (var field in appSchema.NonRelationshipFields)
{
if (field.Attribute.StartsWith("#null"))
{
usedAttributes.Add(new EntityAttribute(field.Attribute, "varchar", false, true,
ConnectorParameters.DefaultInstance(), null));
}
else
{
var entityAttribute = entityAttributes.FirstOrDefault(r => field.Attribute == r.Name);
if (entityAttribute != null)
{
usedAttributes.Add(entityAttribute);
}
}
}
usedAttributes.Add(entityMetadata.Schema.IdAttribute);
if (!isUnionSchema)
{
usedAttributes.Add(entityMetadata.Schema.RowstampAttribute);
}
usedRelationships.UnionWith(HandleAssociations(appSchema.Associations, entityMetadata));
usedRelationships.UnionWith(HandleCompositions(appSchema.Compositions, entityMetadata, appSchema));
var result = SlicedRelationshipBuilderHelper.HandleRelationshipFields(appSchema.RelationshipFields.Select(r => r.Attribute), entityMetadata);
usedRelationships.UnionWith(result.DirectRelationships);
var schema = new EntitySchema(entityMetadata.Name, usedAttributes, entityMetadata.Schema.IdAttribute.Name, false, false, entityMetadata.Schema.WhereClause, entityMetadata.Schema.ParentEntity, !isUnionSchema);
SlicedEntityMetadata unionSchema = null;
if (appSchema.UnionSchema != null)
{
unionSchema = GetUnionInstance(appSchema.UnionSchema);
}
return(new SlicedEntityMetadata(entityMetadata.Name, schema,
usedRelationships, entityMetadata.ConnectorParameters, appSchema, result.InnerEntityMetadatas, fetchLimit, unionSchema));
}
