public DefaultQLEvaluatorRegistry()
{
functionDispatchEvaluator = new Net.Vpc.Upa.Impl.Eval.FunctionDispatchEvaluatorQLTypeEvaluator(functionsEvaluators);
RegisterTypeEvaluator(null, nullEvaluator);
RegisterTypeEvaluator(typeof(Net.Vpc.Upa.Expressions.FunctionExpression), functionDispatchEvaluator);
RegisterTypeEvaluator(typeof(Net.Vpc.Upa.Expressions.Literal), Net.Vpc.Upa.Impl.Eval.LiteralTypeEvaluator.INSTANCE);
RegisterTypeEvaluator(typeof(Net.Vpc.Upa.Expressions.UnaryOperatorExpression), Net.Vpc.Upa.Impl.Eval.UnaryOperatorExpressionEvaluator.INSTANCE);
RegisterTypeEvaluator(typeof(Net.Vpc.Upa.Expressions.If), Net.Vpc.Upa.Impl.Eval.IfExpressionEvaluator.INSTANCE);
RegisterTypeEvaluator(typeof(Net.Vpc.Upa.Expressions.BinaryOperatorExpression), Net.Vpc.Upa.Impl.Eval.BinaryOperatorExpressionEvaluator.INSTANCE);
RegisterFunctionEvaluator("file_exists", Net.Vpc.Upa.Impl.Eval.Functions.FileExistsEvaluator.INSTANCE);
RegisterFunctionEvaluator("coalesce", Net.Vpc.Upa.Impl.Eval.Functions.CoalesceEvaluator.INSTANCE);
RegisterFunctionEvaluator("concat", Net.Vpc.Upa.Impl.Eval.Functions.ConcatEvaluator.INSTANCE);
RegisterFunctionEvaluator("currentDate", Net.Vpc.Upa.Impl.Eval.Functions.CurrentDateEvaluator.INSTANCE);
RegisterFunctionEvaluator("currentTime", Net.Vpc.Upa.Impl.Eval.Functions.CurrentTimeEvaluator.INSTANCE);
RegisterFunctionEvaluator("currentTimestamp", Net.Vpc.Upa.Impl.Eval.Functions.CurrentTimestampEvaluator.INSTANCE);
RegisterFunctionEvaluator("currentUser", Net.Vpc.Upa.Impl.Eval.Functions.CurrentUserEvaluator.INSTANCE);
RegisterFunctionEvaluator("d2v", Net.Vpc.Upa.Impl.Eval.Functions.D2VEvaluator.INSTANCE);
RegisterFunctionEvaluator("dateAdd", Net.Vpc.Upa.Impl.Eval.Functions.DateAddEvaluator.INSTANCE);
RegisterFunctionEvaluator("datePart", Net.Vpc.Upa.Impl.Eval.Functions.DatePartEvaluator.INSTANCE);
RegisterFunctionEvaluator("decode", Net.Vpc.Upa.Impl.Eval.Functions.DecodeEvaluator.INSTANCE);
// registerFunctionEvaluator("if", new IfEvaluator()); //already added as special evaluator
RegisterFunctionEvaluator("i2v", Net.Vpc.Upa.Impl.Eval.Functions.D2VEvaluator.INSTANCE);
RegisterFunctionEvaluator("sign", Net.Vpc.Upa.Impl.Eval.Functions.SignEvaluator.INSTANCE);
RegisterFunctionEvaluator("strlen", Net.Vpc.Upa.Impl.Eval.Functions.StrLenEvaluator.INSTANCE);
}
public virtual Net.Vpc.Upa.Expressions.Expression EvalObject(Net.Vpc.Upa.Expressions.Expression e, Net.Vpc.Upa.QLEvaluator evaluator, object context)
{
Net.Vpc.Upa.Expressions.FunctionExpression fct = (Net.Vpc.Upa.Expressions.FunctionExpression)e;
Net.Vpc.Upa.QLTypeEvaluator fe = Net.Vpc.Upa.Impl.FwkConvertUtils.GetMapValue <string, Net.Vpc.Upa.QLTypeEvaluator>(functionsEvaluators, fct.GetName().ToLower());
if (fe == null)
{
throw new System.Exception("function not found " + fct.GetName());
}
return(fe.EvalObject(fct, evaluator, context));
}
public virtual Net.Vpc.Upa.QLTypeEvaluator GetTypeEvaluator(System.Type type)
{
Net.Vpc.Upa.QLTypeEvaluator y = Net.Vpc.Upa.Impl.FwkConvertUtils.GetMapValue <System.Type, Net.Vpc.Upa.QLTypeEvaluator>(typeEvaluators, type);
if (y != null)
{
return(y);
}
if (type == null)
{
return(nullEvaluator);
}
foreach (System.Collections.Generic.KeyValuePair <System.Type, Net.Vpc.Upa.QLTypeEvaluator> en in new System.Collections.Generic.HashSet <System.Collections.Generic.KeyValuePair <System.Type, Net.Vpc.Upa.QLTypeEvaluator> >(typeEvaluators))
{
if (!System.Collections.Generic.EqualityComparer <System.Type> .Default.Equals((en).Key, null) && (en).Key.IsAssignableFrom(type))
{
return((en).Value);
}
}
return(notFoundEvaluator);
}
public virtual void RegisterTypeEvaluator(System.Type type, Net.Vpc.Upa.QLTypeEvaluator t)
{
typeEvaluators[type] = t;
}
public virtual void RegisterFunctionEvaluator(string name, Net.Vpc.Upa.QLTypeEvaluator t)
{
functionsEvaluators[name] = t;
}
