Class LLBLGenDataContext

A data context for the LLBLGen infrastructure.

Inheritance
System.Object
System.Dynamic.DynamicObject
ExpandoBase
Expando
Context
DataContextBase
LLBLGenDataContext
Implements
System.Dynamic.IDynamicMetaObjectProvider
System.IDisposable
Inherited Members
System.Dynamic.DynamicObject.GetMetaObject(System.Linq.Expressions.Expression)
System.Dynamic.DynamicObject.TryBinaryOperation(System.Dynamic.BinaryOperationBinder, System.Object, System.Object)
System.Dynamic.DynamicObject.TryConvert(System.Dynamic.ConvertBinder, System.Object)
System.Dynamic.DynamicObject.TryCreateInstance(System.Dynamic.CreateInstanceBinder, System.Object[], System.Object)
System.Dynamic.DynamicObject.TryDeleteIndex(System.Dynamic.DeleteIndexBinder, System.Object[])
System.Dynamic.DynamicObject.TryDeleteMember(System.Dynamic.DeleteMemberBinder)
System.Dynamic.DynamicObject.TryGetIndex(System.Dynamic.GetIndexBinder, System.Object[], System.Object)
System.Dynamic.DynamicObject.TryInvoke(System.Dynamic.InvokeBinder, System.Object[], System.Object)
System.Dynamic.DynamicObject.TrySetIndex(System.Dynamic.SetIndexBinder, System.Object[], System.Object)
System.Dynamic.DynamicObject.TryUnaryOperation(System.Dynamic.UnaryOperationBinder, System.Object)
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: Kephas.Data.LLBLGen
Assembly: Kephas.Data.LLBLGen.dll
Syntax
[SupportedDataStoreKinds(new string[]{"LLBLGen"})]
public class LLBLGenDataContext : DataContextBase, ILLBLGenDataContext, IDataContext, IContext, IExpando, IDynamicMetaObjectProvider, IIndexable, ILoggable, IIdentifiable, IDisposable, IInitializable

Constructors

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LLBLGenDataContext(ICompositionContext, IDataCommandProvider, IDataAccessAdapterFactory, IModelTypeResolver, IDataBehaviorProvider, IQueryFactoryProvider)

Initializes a new instance of the LLBLGenDataContext class.

Declaration
public LLBLGenDataContext(ICompositionContext compositionContext, IDataCommandProvider dataCommandProvider, IDataAccessAdapterFactory dataAccessAdapterFactory, IModelTypeResolver modelTypeResolver, IDataBehaviorProvider dataBehaviorProvider, IQueryFactoryProvider queryFactoryProvider)
Parameters
Type Name Description
ICompositionContext compositionContext

The composition context.
IDataCommandProvider dataCommandProvider

The data command provider.
IDataAccessAdapterFactory dataAccessAdapterFactory

The data access adapter factory.
IModelTypeResolver modelTypeResolver

The model type resolver.
IDataBehaviorProvider dataBehaviorProvider

The data behavior provider.
IQueryFactoryProvider queryFactoryProvider

The query factory provider.

Fields

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LLBLGenDataStoreKind

The LLBLGen data store kind.

Declaration
public const string LLBLGenDataStoreKind = "LLBLGen"
Field Value
Type Description
System.String

Properties

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DataAccessAdapter

Gets the data access adapter.

Declaration
public virtual DataAccessAdapterBase DataAccessAdapter { get; }
Property Value
Type Description
SD.LLBLGen.Pro.ORMSupportClasses.DataAccessAdapterBase
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LocalCache

Gets the local cache where the session entities are stored.

Declaration
public IDataContextCache LocalCache { get; }
Property Value
Type Description
IDataContextCache

The local cache.
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QueryFactory

Gets the meta-data for the construction of LINQ queries.

Declaration
public virtual IQueryFactory QueryFactory { get; }
Property Value
Type Description
IQueryFactory

Methods

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CreateEntityEntry(Object, Nullable<ChangeState>)

Creates a new entity information.

Declaration
protected override IEntityEntry CreateEntityEntry(object entity, ChangeState? changeState = default(ChangeState? ))
Parameters
Type Name Description
System.Object entity

The entity.
System.Nullable<ChangeState> changeState

The entity's change state.
Returns
Type Description
IEntityEntry

The new entity information.
Overrides
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QueryCore<T>(IQueryOperationContext)

Gets a query over the entity type for the given query operation context, if any is provided (core implementation).

Declaration
protected override IQueryable<T> QueryCore<T>(IQueryOperationContext queryOperationContext)

    where T : class
Parameters
Type Name Description
IQueryOperationContext queryOperationContext

Context for the query.
Returns
Type Description
System.Linq.IQueryable<T>

A query over the entity type.
Type Parameters
Name Description
T

The entity type.
Overrides
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ResolveAttachConflict(IEntityEntry, Object, Boolean)

Resolves the attach conflict between an existing attached entity and a challenger.

Declaration
protected override IEntityEntry ResolveAttachConflict(IEntityEntry entityEntry, object entityChallenger, bool attachEntityGraph)
Parameters
Type Name Description
IEntityEntry entityEntry

The entity information.
System.Object entityChallenger

The entity challenger.
System.Boolean attachEntityGraph

true to attach the whole entity graph.
Returns
Type Description
IEntityEntry

An resolved IEntityEntry.
Overrides
Remarks

By default, the entity challenger is ignored. A derived class may decide to update the existing entity with refreshed information.

Implements

System.Dynamic.IDynamicMetaObjectProvider
System.IDisposable

Extension Methods