private bool GetImplicationType(string s, out FilterImplication implication)
{
implication = FilterImplication.AND;
if(s == null || s.Length == 0) {
return false;
}
if(s == AndImplication) {
implication = FilterImplication.AND;
return true;
}
else if(s == OrImplication) {
implication = FilterImplication.OR;
return true;
}
return false;
}