public DataFlowOperator Operator(DataFlowOpInitializeContext context)
{
var container = context.Container;
var adapterInputSourceValue = DataFlowParameterResolution.ResolveOptionalInstance <AdapterInputSource>(
"adapterInputSource",
AdapterInputSource,
context);
var fileName = DataFlowParameterResolution.ResolveWithDefault <string>(
"file",
File,
null,
context);
if (adapterInputSourceValue == null)
{
if (fileName != null)
{
adapterInputSourceValue = new AdapterInputSource(container, new FileInfo(fileName));
}
else
{
throw new EPException("Failed to find required parameter, either the file or the adapterInputSource parameter is required");
}
}
var formatValue = DataFlowParameterResolution.ResolveStringOptional("format", Format, context);
switch (formatValue)
{
case null:
case "csv": {
var hasHeaderLineFlag = DataFlowParameterResolution.ResolveWithDefault <bool?>(
"hasHeaderLine",
HasHeaderLine,
false,
context);
var hasTitleLineFlag = DataFlowParameterResolution.ResolveWithDefault <bool?>(
"hasTitleLine",
HasTitleLine,
false,
context);
var numLoopsValue = DataFlowParameterResolution.ResolveWithDefault <int?>(
"numLoops",
NumLoops,
null,
context);
var dateFormatValue = DataFlowParameterResolution.ResolveStringOptional(
"dateFormat",
DateFormat,
context);
return(new FileSourceCSV(
this,
context,
adapterInputSourceValue,
hasHeaderLineFlag ?? false,
hasTitleLineFlag ?? false,
numLoopsValue,
PropertyNames,
dateFormatValue));
}
case "line": {
var propertyNameLineValue = DataFlowParameterResolution.ResolveStringOptional("propertyNameLine", PropertyNameLine, context);
var propertyNameFileValue = DataFlowParameterResolution.ResolveStringOptional("propertyNameFile", PropertyNameFile, context);
return(new FileSourceLineUnformatted(this, context, adapterInputSourceValue, fileName, propertyNameLineValue, propertyNameFileValue));
}
default:
throw new ArgumentException("Unrecognized file format '" + formatValue + "'");
}
}
public DataFlowOperator Operator(DataFlowOpInitializeContext context)
{
var collectorInstance = DataFlowParameterResolution.ResolveOptionalInstance<EPDataFlowEventBeanCollector>(
"collector", Collector, context);
return new EventBusSourceOp(this, context.AgentInstanceContext, collectorInstance);
}