/// <summary>Render to string. </summary>
/// <param name="writer">to render</param>
/// <param name="formatter">for formatting</param>
public void ToEPL(TextWriter writer, EPStatementFormatter formatter)
{
writer.Write(OperatorName);
if (Input.IsNotEmpty())
{
writer.Write("(");
String delimiter = "";
foreach (DataFlowOperatorInput inputItem in Input)
{
writer.Write(delimiter);
WriteInput(inputItem, writer);
if (inputItem.OptionalAsName != null)
{
writer.Write(" as ");
writer.Write(inputItem.OptionalAsName);
}
delimiter = ", ";
}
writer.Write(")");
}
if (Output.IsNotEmpty())
{
writer.Write(" -> ");
String delimiter = "";
foreach (DataFlowOperatorOutput outputItem in Output)
{
writer.Write(delimiter);
writer.Write(outputItem.StreamName);
WriteTypes(outputItem.TypeInfo, writer);
delimiter = ", ";
}
}
if (Parameters.IsEmpty())
{
writer.Write(" {}");
formatter.EndDataFlowOperatorDetails(writer);
}
else
{
writer.Write(" {");
formatter.BeginDataFlowOperatorDetails(writer);
String delimiter = ",";
int count = 0;
foreach (DataFlowOperatorParameter parameter in Parameters)
{
parameter.ToEPL(writer);
count++;
if (Parameters.Count > count)
{
writer.Write(delimiter);
formatter.EndDataFlowOperatorConfig(writer);
}
formatter.EndDataFlowOperatorConfig(writer);
}
writer.Write("}");
formatter.EndDataFlowOperatorDetails(writer);
}
}
