/// <summary>
/// Creates a new instance of the <see cref="ProjectionBindingExpression" /> class.
/// </summary>
/// <param name="queryExpression">The query expression to get the value from.</param>
/// <param name="projectionMember">The projection member to bind with query expression.</param>
/// <param name="type">The clr type of value being read.</param>
public ProjectionBindingExpression(
Expression queryExpression,
ProjectionMember projectionMember,
Type type)
{
QueryExpression = queryExpression;
ProjectionMember = projectionMember;
Type = type;
}
/// <inheritdoc />
void IPrintableExpression.Print(ExpressionPrinter expressionPrinter)
{
expressionPrinter.Append(nameof(ProjectionBindingExpression) + ": ");
if (ProjectionMember != null)
{
expressionPrinter.Append(ProjectionMember.ToString());
}
else if (Index != null)
{
expressionPrinter.Append(Index.ToString() !);
}
}
public Expression GetProjectionExpression(ProjectionMember projectionMember)
{
return(_projectionMapping[projectionMember]);
}
/// <summary> /// This is an internal API that supports the Entity Framework Core infrastructure and not subject to /// the same compatibility standards as public APIs. It may be changed or removed without notice in /// any release. You should only use it directly in your code with extreme caution and knowing that /// doing so can result in application failures when updating to a new Entity Framework Core release. /// </summary> public virtual Expression GetMappedProjection([NotNull] ProjectionMember projectionMember) => _projectionMapping[projectionMember];
public Expression GetMappedProjection(ProjectionMember projectionMember) => _projectionMapping[projectionMember];
public virtual Expression GetMappedProjection(ProjectionMember member) => _projectionMapping[member];
