org.apache.nifi.record.path.functions

Class NoArgStringFunction

java.lang.Object

org.apache.nifi.record.path.paths.RecordPathSegment

org.apache.nifi.record.path.functions.NoArgStringFunction

All Implemented Interfaces:

RecordPath

Direct Known Subclasses:

ToLowerCase, ToUpperCase, TrimString

public abstract class NoArgStringFunction
extends RecordPathSegment

Abstract class for String functions without any argument.

Field Summary

Fields

Modifier and Type	Field and Description
private RecordPathSegment	valuePath

Constructor Summary

Constructors

Constructor and Description
NoArgStringFunction(String path, RecordPathSegment valuePath, boolean absolute)

Method Summary

Modifier and Type	Method and Description
(package private) abstract String	apply(String value) Sub-classes apply its function to the given value and return the result.
Stream<FieldValue>	evaluate(RecordPathEvaluationContext context)

Methods inherited from class org.apache.nifi.record.path.paths.RecordPathSegment

equals, evaluate, evaluate, getPath, hashCode, isAbsolute, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.nifi.record.path.RecordPath

compile

Field Detail

valuePath

private final RecordPathSegment valuePath

Constructor Detail

NoArgStringFunction

public NoArgStringFunction(String path,
                           RecordPathSegment valuePath,
                           boolean absolute)

Method Detail

evaluate

public Stream<FieldValue> evaluate(RecordPathEvaluationContext context)

Specified by:

evaluate in class RecordPathSegment

apply

abstract String apply(String value)

Sub-classes apply its function to the given value and return the result.

Parameters:

value - possibly null

Returns:

the function result