public int Count <T>(IDbConnection connection, Expression <Func <T, bool> > expression, IDbTransaction transaction, int?commandTimeout) where T : class
{
IClassMapper classMap = SqlGenerator.Configuration.GetMap <T>();
IPredicate wherePredicate = ExpressionPredicateConvert.GetExpressionPredicate(expression);
return(Count <T>(connection, classMap, wherePredicate, transaction, commandTimeout));
}
public IEnumerable <T> GetPage <T>(IDbConnection connection, Expression <Func <T, bool> > expression, IList <ISort> sort, int page, int resultsPerPage, IDbTransaction transaction, int?commandTimeout, bool buffered) where T : class
{
IClassMapper classMap = SqlGenerator.Configuration.GetMap <T>();
IPredicate wherePredicate = ExpressionPredicateConvert.GetExpressionPredicate(expression);
return(GetPage <T>(connection, classMap, wherePredicate, sort, page, resultsPerPage, transaction, commandTimeout, buffered));
}
public void TestGroup()
{
IPredicate p = ExpressionPredicateConvert.GetExpressionPredicate <User>(u => u.Id == 1 || (u.Id == 2 && u.Name.Contains("1")));
FieldPredicate <User> f = (p as IPredicateGroup).Predicates[0] as FieldPredicate <User>;
Assert.True(System.Convert.ToInt32(f.Value) == 1);
Assert.True((p as IPredicateGroup).Operator == GroupOperator.Or);
Expression <Func <User, bool> > expr = u => u.Id == 1 || (u.Id == 2 && u.Name.Contains("1"));
}
public void TestBase()
{
IPredicate p1 = ExpressionPredicateConvert.GetExpressionPredicate <User>(u => u.Id != 1);
FieldPredicate <User> f1 = p1 as FieldPredicate <User>;
Assert.True(f1.Operator == Operator.Eq);
Assert.True(f1.Not);
IPredicate pGe = ExpressionPredicateConvert.GetExpressionPredicate <User>(u => u.Id >= 1);
FieldPredicate <User> fGe = pGe as FieldPredicate <User>;
Assert.True(fGe.Operator == Operator.Ge);
}
public void TestIn()
{
List <string> valueList = new List <string>()
{
"1", "2", "3"
};
IPredicate p = ExpressionPredicateConvert.GetExpressionPredicate <User>(u => valueList.Contains(u.Name));
FieldPredicate <User> f = p as FieldPredicate <User>;
Assert.True(f.Operator == Operator.Eq);
Assert.True((f.Value as List <string>).Count == 3);
IPredicate p2 = ExpressionPredicateConvert.GetExpressionPredicate <User>(u => !valueList.Contains(u.Name));
FieldPredicate <User> f2 = p2 as FieldPredicate <User>;
Assert.True(f.Not == true);
}
public void TestLike()
{
IPredicate p1 = ExpressionPredicateConvert.GetExpressionPredicate <User>(u => u.Name.Contains("1"));
FieldPredicate <User> f1 = p1 as FieldPredicate <User>;
Assert.True(f1.Operator == Operator.Like);
Assert.True(f1.Value.ToString() == "%1%");
IPredicate p2 = ExpressionPredicateConvert.GetExpressionPredicate <User>(u => u.Name.StartsWith("1"));
FieldPredicate <User> f2 = p2 as FieldPredicate <User>;
Assert.True(f2.Operator == Operator.Like);
Assert.True(f2.Value.ToString() == "1%");
IPredicate p3 = ExpressionPredicateConvert.GetExpressionPredicate <User>(u => u.Name.EndsWith("1"));
FieldPredicate <User> f3 = p3 as FieldPredicate <User>;
Assert.True(f3.Operator == Operator.Like);
Assert.True(f3.Value.ToString() == "%1");
}
