/// <summary>
/// Cria a expresão de agrupamento por.
/// </summary>
/// <returns></returns>
protected override LambdaExpression CreateGroupByExpression()
{
MemberAccessExpressionBuilderBase base2 = ExpressionBuilderFactory.MemberAccess(this.Queryable, this._groupDescriptor.MemberType, this._groupDescriptor.Member);
base2.ParameterExpression = base.ParameterExpression;
return(base2.CreateLambdaExpression());
}
/// <summary>
/// Cria uma expressão seletora do membro.
/// </summary>
/// <returns></returns>
private System.Linq.Expressions.LambdaExpression CreateMemberSelectorExpression()
{
var base2 = ExpressionBuilderFactory.MemberAccess(base.ItemType, (Type)null, this.Function.SourceField);
base2.Options.CopyFrom(base.Options);
var memberExpression = base2.CreateMemberAccessExpression();
return(System.Linq.Expressions.Expression.Lambda(this.ConvertMemberAccessExpression(memberExpression), new System.Linq.Expressions.ParameterExpression[] {
base2.ParameterExpression
}));
}
/// <summary>
/// Cria a expressão do membro.
/// </summary>
/// <returns></returns>
protected virtual Expression CreateMemberExpression()
{
Type memberType = this.FilterDescriptor.MemberType;
MemberAccessExpressionBuilderBase base2 = ExpressionBuilderFactory.MemberAccess(base.ParameterExpression.Type, memberType, this.FilterDescriptor.Member);
base2.Options.CopyFrom(base.Options);
base2.ParameterExpression = base.ParameterExpression;
Expression expression = base2.CreateMemberAccessExpression();
if ((memberType != null) && (expression.Type.GetNonNullableType() != memberType.GetNonNullableType()))
{
expression = Expression.Convert(expression, memberType);
}
return(expression);
}
