Interface IEntityDescriptorFactory

Namespace: LemonEdge.Core.Descriptors
Assembly: API.dll
Syntax
public interface IEntityDescriptorFactory

Properties

Options

Accessor for the configuration options for the factory.

Declaration
EntityDescriptorFactoryOptions Options { get; set; }
Property Value
Type Description
EntityDescriptorFactoryOptions

Methods

GetComplexTypeDescriptor(Type)

Returns the ComplexTypeDescriptor for the specified instance of a complex type

Declaration
ComplexTypeDescriptor GetComplexTypeDescriptor(Type type)
Parameters
Type Name Description
System.Type type

The complex type.
Returns
Type Description
ComplexTypeDescriptor

The ComplexTypeDescriptor for the specified instance of a complex type

GetComplexTypes()

Returns a ComplexTypeDescriptor for every complex type found in the system including through custom objects and addins

Declaration
IEnumerable<ComplexTypeDescriptor> GetComplexTypes()
Returns
Type Description
System.Collections.Generic.IEnumerable<ComplexTypeDescriptor>

A ComplexTypeDescriptor for every complex type found in the system including through custom objects and addins

GetDescriptor(IBaseEntity)

Returns the EntityDescriptor for the specified instance of an entity

Declaration
EntityDescriptor GetDescriptor(IBaseEntity item)
Parameters
Type Name Description
IBaseEntity item

The instance of an entity to return its associated EntityDescriptor for
Returns
Type Description
EntityDescriptor

The EntityDescriptor for the specified instance of an entity

GetDescriptor(QueryableExecuter)

Returns the EntityDescriptor for the type being queried in an QueryableExecuter

Declaration
EntityDescriptor GetDescriptor(QueryableExecuter queryItems)
Parameters
Type Name Description
QueryableExecuter queryItems

A query
Returns
Type Description
EntityDescriptor

The EntityDescriptor for the type being queried in an QueryableExecuter

GetDescriptor(Guid, Guid)

Returns the EntityDescriptor for the specified type, and specified sub type (if looking for a replicated EntityDescriptor)

Declaration
EntityDescriptor GetDescriptor(Guid id, Guid forType = default(Guid))
Parameters
Type Name Description
System.Guid id

The unique global id of an entity type
System.Guid forType

The unique global id of an entity that is the sub type for the EntityDescriptor - used when looking for a replicated EntityDescriptor
Returns
Type Description
EntityDescriptor

GetDescriptor(String)

Returns the EntityDescriptor for the specified uniqueKey of an EntityDescriptor

Declaration
EntityDescriptor GetDescriptor(string uniqueKey)
Parameters
Type Name Description
System.String uniqueKey

The UniqueKey of an EntityDescriptor
Returns
Type Description
EntityDescriptor

The EntityDescriptor for the specified uniqueKey of an EntityDescriptor

GetDescriptor(Type, Guid)

Returns the EntityDescriptor for the specified type, and specified sub type (if looking for a replicated EntityDescriptor)

Declaration
EntityDescriptor GetDescriptor(Type t, Guid forType = default(Guid))
Parameters
Type Name Description
System.Type t

The type of an entity (either its interface or class type)
System.Guid forType

The unique global id of an entity that is the sub type for the EntityDescriptor - used when looking for a replicated EntityDescriptor
Returns
Type Description
EntityDescriptor

GetDescriptor<T>(Guid)

Returns the EntityDescriptor for the specified type, and specified sub type (if looking for a replicated EntityDescriptor).

Declaration
EntityDescriptor GetDescriptor<T>(Guid forType = default(Guid))
Parameters
Type Name Description
System.Guid forType

The unique global id of an entity that is the sub type for the EntityDescriptor - used when looking for a replicated EntityDescriptor.
Returns
Type Description
EntityDescriptor
Type Parameters
Name Description
T

The type of an entity (either its interface or class type).

GetDescriptors()

Returns an EntityDescriptor for each entity within the system including those defined through custom objects and addins

This also includes replicated EntityDescriptors - in other words the complete set of all EntityDescriptors available within the system

Declaration
IEnumerable<EntityDescriptor> GetDescriptors()
Returns
Type Description
System.Collections.Generic.IEnumerable<EntityDescriptor>

An EntityDescriptor for each entity within the system including those defined through custom objects and addins

GetDescriptors(IEnumerable<Assembly>)

Returns all EntityDescriptor restricted to just those for a particular database.

This is required for task services and other processes that connect to multiple databases at once

Declaration
IEnumerable<EntityDescriptor> GetDescriptors(IEnumerable<Assembly> assemblies)
Parameters
Type Name Description
System.Collections.Generic.IEnumerable<System.Reflection.Assembly> assemblies

The database custom assemblies.
Returns
Type Description
System.Collections.Generic.IEnumerable<EntityDescriptor>

All EntityDescriptor restricted to just those for a particular database.

GetKnownTypes()

Returns all known entity types and enum types within all loaded EntityDescriptors in the system

Used for serialization

Declaration
IEnumerable<Type> GetKnownTypes()
Returns
Type Description
System.Collections.Generic.IEnumerable<System.Type>

All known entity types and enum types within all loaded EntityDescriptors in the system

IsPartOfSpecificAssembly(Guid, IEnumerable<Assembly>)

It's possible using custom objects (which dynamically create dlls) that we have the same object design (using the same typeids -> sharedkey) in two databases we can only have one entity descriptor for that typeid, so we store any other assemblies that reference the same typeid then here we can say that if specific dlls are requested we can return that typeid if it is part of our stored assemblies

Declaration
bool IsPartOfSpecificAssembly(Guid typeID, IEnumerable<Assembly> customAssemblies)
Parameters
Type Name Description
System.Guid typeID

The unique global type of an entity that needs to be checked if it is defined in the list of assemblies
System.Collections.Generic.IEnumerable<System.Reflection.Assembly> customAssemblies

A list of assemblies to check if the specified entity type is defined within it
Returns
Type Description
System.Boolean

True if the unique global id of the entity descriptor is defined as an entity in the specified list of assemblies

ReplicateEntityDescriptor(EntityDescriptor, EntityDescriptor)

Declaration
EntityDescriptor ReplicateEntityDescriptor(EntityDescriptor replicatingDescriptor, EntityDescriptor mainDescriptor)
Parameters
Type Name Description
EntityDescriptor replicatingDescriptor
EntityDescriptor mainDescriptor
Returns
Type Description
EntityDescriptor

Extension Methods