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DataFlowParameterResolutionResolveStringRequired Method

Resolve a string value by first looking at the parameter value provider and by using the evaluator if one was provided, throwing an exception if no value was provided.

Namespace:  com.espertech.esper.common.client.dataflow.util
Assembly:  NEsper.Common (in NEsper.Common.dll) Version: 8.0.0.0
Syntax
C#
public static string ResolveStringRequired(
	string name,
	ExprEvaluator optionalEvaluator,
	DataFlowOpInitializeContext context
)

Parameters

name
Type: SystemString
parameter name
optionalEvaluator
Type: ExprEvaluator
evaluator
context
Type: DataFlowOpInitializeContext
initialization context

Return Value

Type: String
value
See Also