Package org.apache.nifi.attribute.expression.language

Interface Expression

All Known Implementing Classes:
CompiledExpression, ParameterExpression, StringLiteralExpression
public interface Expression

  • Method Summary

    Modifier and Type
    Method
    Description
    String
    evaluate(EvaluationContext evaluationContext, org.apache.nifi.expression.AttributeValueDecorator decorator)
    Evaluates this Expression against the given variables, attribute decorator, and state variables
    String
    getExpression()
     

  • Method Details

    • evaluate

      String evaluate(EvaluationContext evaluationContext, org.apache.nifi.expression.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

    • getExpression

      String getExpression()
      Returns:
      the expression as a String