public static string UnsupportedSourceTypeForAggregateFunction(AggregateFunctionContext context)
{
StringBuilder error = GetIntro(context.Member);
error.AppendFormat("Aggregate function '{0}' doesn't support type '{1}' as source type",
context.ImplementationType, context.Member.Type);
return(error.ToString());
}
public override IEnumerable <CodeStatement> GetInitializationStatements(AggregateFunctionContext context)
{
List <CodeStatement> statements = new List <CodeStatement>(base.GetInitializationStatements(context));
CodeStatement st = new CodeVariableDeclarationStatement(typeof(int),
GetCounterObjectName(context),
new CodeSnippetExpression("0"));
statements.Add(st);
return(statements);
}
protected override string GetFormatForExecutedExpression(AggregateFunctionContext context)
{
// todo: test
return(string.Format("FN_OBJ = FN_OBJ + CURR_ITEM; {0}++;", GetCounterObjectName(context)));
}
private static string GetCounterObjectName(AggregateFunctionContext context)
{
return(context.FunctionObjectName + "_Cnt");
}
