// Note: There are NO public constructors for this class - it is for internal
// ObjectQuery<T> use only, but must be public so that an instance thereof can be
// a public property on ObjectQuery<T>.
#region Internal Constructors
// <summary>
// This internal constructor creates a new query parameter collection and
// initializes the internal parameter storage.
// </summary>
internal ObjectParameterCollection(ClrPerspective perspective)
{
DebugCheck.NotNull(perspective);
// The perspective is required to do type-checking on parameters as they
// are added to the collection.
_perspective = perspective;
// Create a new list to store the parameters.
_parameters = new List <ObjectParameter>();
}
// Note: There are NO public constructors for this class - it is for internal
// ObjectQuery<T> use only, but must be public so that an instance thereof can be
// a public property on ObjectQuery<T>.
#region Internal Constructors
// ---------------------
// Internal Constructors
// ---------------------
#region ObjectParameterCollection (ClrPerspective)
/// <summary>
/// This internal constructor creates a new query parameter collection and
/// initializes the internal parameter storage.
/// </summary>
internal ObjectParameterCollection(ClrPerspective perspective)
{
EntityUtil.CheckArgumentNull(perspective, "perspective");
// The perspective is required to do type-checking on parameters as they
// are added to the collection.
this._perspective = perspective;
// Create a new list to store the parameters.
_parameters = new List <ObjectParameter>();
}
// <summary>
// This internal method ensures that the specified type is a scalar
// type supported by the underlying provider by ensuring that scalar
// metadata for this type is retrievable.
// </summary>
internal bool ValidateParameterType(ClrPerspective perspective)
{
TypeUsage type;
// The parameter type metadata is only valid if it's scalar or enumeration type metadata.
if ((perspective.TryGetType(_mappableType, out type)) &&
(TypeSemantics.IsScalarType(type)))
{
return(true);
}
return(false);
}
internal bool ValidateParameterType(ClrPerspective perspective)
{
TypeUsage outTypeUsage;
return(perspective.TryGetType(this._mappableType, out outTypeUsage) && TypeSemantics.IsScalarType(outTypeUsage));
}
internal ObjectParameterCollection(ClrPerspective perspective)
{
this._perspective = perspective;
this._parameters = new List <ObjectParameter>();
}
