org.apache.nifi.attribute.expression.language

Interface Expression

All Known Implementing Classes:

CompiledExpression, ParameterExpression, StringLiteralExpression

public interface Expression

Method Summary

Modifier and Type	Method and Description
String	evaluate(EvaluationContext evaluationContext, AttributeValueDecorator decorator) Evaluates this Expression against the given variables, attribute decorator, and state variables

Method Detail

evaluate

String evaluate(EvaluationContext evaluationContext,
                AttributeValueDecorator decorator)

Evaluates this Expression against the given variables, attribute decorator, and state variables

Parameters:

evaluationContext - the context used to evaluate the Expression

decorator - decorator to decorate variable values

Returns:

the evaluated value