public ReportingDataQuery(IReportingDataSource dataSource, IEntity entity, Expression expression)
{
if (!typeof(T).IsAssignableFrom(entity.ClrType))
{
throw new ArgumentException("The underline clr type of the resource entity doesn't match the generic type T");
}
this.dataSource = dataSource;
this.entity = entity;
this.expression = expression;
}
public ReportingDataQuery(IReportingDataSource dataSource, IEntity entity, Expression expression, Expression expressionWithouSelect)
{
if (expressionWithouSelect == null)
{
throw new ArgumentNullException("expressionWithouSelect");
}
this.dataSource = dataSource;
this.entity = entity;
this.expression = expression;
this.expressionWithouSelect = expressionWithouSelect;
}
public ReportingDataQuery(IReportingDataSource dataSource, IEntity entity) : this(dataSource, entity, null)
{
this.expression = Expression.Constant(this);
}