 | DataFlowParameterResolutionResolveStringOptional Method |
Resolve a string value by first looking at the parameter value provider and by using the evaluator if one was provided
or returning null if no value was found.
Namespace:
com.espertech.esper.common.client.dataflow.util
Assembly:
NEsper.Common (in NEsper.Common.dll) Version: 8.0.0.0
Syntaxpublic static string ResolveStringOptional(
string name,
ExprEvaluator optionalEvaluator,
DataFlowOpInitializeContext context
)
Parameters
- name
- Type: SystemString
parameter name - optionalEvaluator
- Type: ExprEvaluator
evaluator - context
- Type: DataFlowOpInitializeContext
initialization context
Return Value
Type:
Stringvalue
See Also