/// <summary>
/// Sets a <paramref name="viewCacheFactory"/> for a mapping represented
/// by an <see cref="ObjectContext"/> derived class.
/// </summary>
/// <param name="context">A <see cref="ObjectContext"/> derived class instance containing
/// mapping to set the view cache factory for.</param>
/// <param name="viewCacheFactory">View cache factory</param>
/// <remarks>
/// This method must be called before EntityFramework generates views for the mapping
/// (which typically happens on the first query).
/// <paramref name="viewCacheFactory"/> cannot be set more than once for the same
/// <paramref name="context"/>.
/// </remarks>
public static void SetViewCacheFactory(ObjectContext context, DbMappingViewCacheFactory viewCacheFactory)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (viewCacheFactory == null)
{
throw new ArgumentNullException("viewCacheFactory");
}
lock (objToLock)
{
var storageMappingItemCollection =
(StorageMappingItemCollection)context.MetadataWorkspace.GetItemCollection(DataSpace.CSSpace);
try
{
if (storageMappingItemCollection.MappingViewCacheFactory == null)
{
storageMappingItemCollection.MappingViewCacheFactory = viewCacheFactory;
}
if (_mappingItemCollectionLookUp.Count == 0)
{
_mappingItemCollectionLookUp.TryAdd(viewCacheFactory, storageMappingItemCollection);
}
}
catch { }
}
}
/// <summary>
/// Returns a <see cref="StorageMappingItemCollection"/> instance for the <paramref name="viewCacheFactory" />.
/// </summary>
/// <param name="viewCacheFactory">View cache factory to return <see cref="StorageMappingItemCollection"/> for.</param>
/// <returns>A <see cref="StorageMappingItemCollection"/> instance for the <paramref name="viewCacheFactory" />.</returns>
public static StorageMappingItemCollection GetMappingItemCollection(DbMappingViewCacheFactory viewCacheFactory)
{
Guard.NotNull(viewCacheFactory, nameof(viewCacheFactory));
if (!_lookup.TryGetValue(viewCacheFactory, out var mappingItemCollection))
{
throw new InvalidOperationException("No StorageMappingItemCollection instance found for the provided DbMappingViewCacheFactory.");
}
return(mappingItemCollection);
}
/// <summary>
/// Sets a <paramref name="viewCacheFactory"/> for a mapping represented
/// by a <see cref="DbContext"/> derived class.
/// </summary>
/// <param name="context">A <see cref="DbContext"/> derived class instance containing
/// mapping to set the view cache factory for.</param>
/// <param name="viewCacheFactory">View cache factory</param>
/// <remarks>
/// This method must be called before EntityFramework generates views for the mapping
/// (which typically happens on the first query).
/// <paramref name="viewCacheFactory"/> cannot be set more than once for the same
/// <paramref name="context"/>.
/// /// </remarks>
public static void SetViewCacheFactory(DbContext context, DbMappingViewCacheFactory viewCacheFactory)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (viewCacheFactory == null)
{
throw new ArgumentNullException("viewCacheFactory");
}
SetViewCacheFactory(((IObjectContextAdapter)context).ObjectContext, viewCacheFactory);
}
/// <summary>
/// Returns a <see cref="StorageMappingItemCollection"/> instance for the <paramref name="viewCacheFactory" />.
/// </summary>
/// <param name="viewCacheFactory">View cache factory to return <see cref="StorageMappingItemCollection"/> for.</param>
/// <returns>A <see cref="StorageMappingItemCollection"/> instance for the <paramref name="viewCacheFactory" />.</returns>
public static StorageMappingItemCollection GetMappingItemCollection(DbMappingViewCacheFactory viewCacheFactory)
{
if (viewCacheFactory == null)
{
throw new ArgumentNullException("viewCacheFactory");
}
StorageMappingItemCollection mappingItemCollection;
if (!_mappingItemCollectionLookUp.TryGetValue(viewCacheFactory, out mappingItemCollection))
{
throw new InvalidOperationException("No StorageMappingItemCollection instance found for the provided DbMappingViewCacheFactory.");
}
return(mappingItemCollection);
}
/// <summary>
/// Sets a <paramref name="viewCacheFactory"/> for a mapping represented
/// by an <see cref="ObjectContext"/> derived class.
/// </summary>
/// <param name="context">A <see cref="ObjectContext"/> derived class instance containing
/// mapping to set the view cache factory for.</param>
/// <param name="viewCacheFactory">View cache factory</param>
/// <remarks>
/// This method must be called before EntityFramework generates views for the mapping
/// (which typically happens on the first query).
/// <paramref name="viewCacheFactory"/> cannot be set more than once for the same
/// <paramref name="context"/>.
/// </remarks>
public static void SetViewCacheFactory(ObjectContext context, DbMappingViewCacheFactory viewCacheFactory)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (viewCacheFactory == null)
{
throw new ArgumentNullException("viewCacheFactory");
}
var storageMappingItemCollection =
(StorageMappingItemCollection)context.MetadataWorkspace.GetItemCollection(DataSpace.CSSpace);
storageMappingItemCollection.MappingViewCacheFactory = viewCacheFactory;
_mappingItemCollectionLookUp.TryAdd(viewCacheFactory, storageMappingItemCollection);
}
