public IReadOnlyList <T> Find(Specification <T> specification, int page = 0, int pageSize = 100)
{
using (ISession session = SessionFactory.OpenSession())
{
return(session.Query <T>()
.Where(specification.ToExpression())
.Skip(page * pageSize)
.Take(pageSize)
.ToList());
}
}
public override Expression <Func <T, bool> > ToExpression()
{
var leftExpression = _left.ToExpression();
var rightExpression = _right.ToExpression();
var paramExpr = Expression.Parameter(typeof(T));
var exprBody = Expression.OrElse(leftExpression.Body, rightExpression.Body);
exprBody = (BinaryExpression) new ParameterReplacer(paramExpr).Visit(exprBody);
var finalExpr = Expression.Lambda <Func <T, bool> >(exprBody, paramExpr);
return(finalExpr);
}