/// <summary>
/// Creates a provider that wraps the given provider.
/// </summary>
/// <param name="provider"> The provider to wrap. </param>
public DbQueryProvider(InternalContext internalContext, ObjectQueryProvider provider)
{
DebugCheck.NotNull(internalContext);
DebugCheck.NotNull(provider);
_internalContext = internalContext;
_provider = provider;
}
private TResult ExecuteQuery <TResult>(ObjectContext context, params object[] parameterValues)
{
bool isSingleton;
Type elementType = GetElementType(typeof(TResult), out isSingleton);
ObjectQueryState queryState = new CompiledELinqQueryState(elementType, context, _query, _cacheToken, parameterValues);
System.Collections.IEnumerable query = queryState.CreateQuery();
if (isSingleton)
{
return(ObjectQueryProvider.ExecuteSingle <TResult>(Enumerable.Cast <TResult>(query), _query));
}
else
{
return((TResult)query);
}
}
/// <summary>
/// Creates a provider that wraps the given provider.
/// </summary>
/// <param name="provider"> The provider to wrap. </param>
public NonGenericDbQueryProvider(InternalContext internalContext, ObjectQueryProvider provider)
: base(internalContext, provider)
{
}