Hi,
First - Thanks for your quick response.
Second - As I wrote rules conditions are saved in DB.

Conditions table example :

 
TypeName    Operation       Value                Return Value      
Var1                 >=                5                        “Segment 1”      
Var2                 matches      “someString”        “Segment 1”      
Var3                 <                  6                        “Segment 1”      
Var4                  ==               1                        “Segment 2”      
Var5                  ==                5                       “Segment 2”     

The table above should trasform to the following DRL rule -

rule "example 1"
    when
       
        Bean(var1 >= 5 ,var2 matches "someString",var3 < 6)                      
    then            
        list.add("Segment 1");
End

rule "example 2"
    when       
        Bean(var4 == 1 ,var5 == 5)                      
    then            
        list.add("Segment 2");
End

The conditions are dynamically build on Site by customer and I don’t know the number of conditions And the conditions values(the values of columns TypeName,Operation, Value and Return Value ).