private String TryConstant(Object value)
{
StringWriter writer = new StringWriter();
EPStatementObjectModelHelper.RenderEPL(writer, value);
return(writer.ToString());
}
public override void ToPrecedenceFreeEPL(TextWriter writer)
{
if (!_isSatisfied)
{
ToPrecedenceFreeEPLUnsatisfied(writer);
}
else
{
EPStatementObjectModelHelper.RenderEPL(writer, _constant);
}
}
public override void ToPrecedenceFreeEPL(TextWriter writer)
{
var constant = Constant;
if (constant is IDictionary <string, object> )
{
var map = (IDictionary <string, object>)constant;
writer.Write("{");
var delimiter = "";
foreach (var entry in map)
{
writer.Write(delimiter);
writer.Write(entry.Key);
writer.Write(": ");
DataFlowOperatorParameter.RenderValue(writer, entry.Value);
delimiter = ",";
}
writer.Write("}");
}
else if (constant is string)
{
EPStatementObjectModelHelper.RenderEPL(writer, constant);
}
else if (constant is IEnumerable)
{
var iterable = (IEnumerable)constant;
writer.Write("[");
var delimiter = "";
foreach (var next in iterable)
{
writer.Write(delimiter);
DataFlowOperatorParameter.RenderValue(writer, next);
delimiter = ",";
}
writer.Write("]");
}
else
{
EPStatementObjectModelHelper.RenderEPL(writer, constant);
}
}
public override void ToPrecedenceFreeEPL(TextWriter writer)
{
writer.Write(
EPStatementObjectModelHelper.RenderValue(_constantValue));
}