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

Class JsonPathAddEvaluator

java.lang.Object

org.apache.nifi.attribute.expression.language.evaluation.StringEvaluator

org.apache.nifi.attribute.expression.language.evaluation.functions.JsonPathBaseEvaluator

org.apache.nifi.attribute.expression.language.evaluation.functions.JsonPathUpdateEvaluator

org.apache.nifi.attribute.expression.language.evaluation.functions.JsonPathAddEvaluator

All Implemented Interfaces:

Evaluator<String>

public class JsonPathAddEvaluator
extends JsonPathUpdateEvaluator

JsonPathAddEvaluator allows adding a value to an array at the specified existing path

Field Summary

Fields inherited from class org.apache.nifi.attribute.expression.language.evaluation.functions.JsonPathUpdateEvaluator

valueEvaluator

Fields inherited from class org.apache.nifi.attribute.expression.language.evaluation.functions.JsonPathBaseEvaluator

EMPTY_RESULT, JSON_PROVIDER, jsonPathExp, precompiledJsonPathExp, STRICT_PROVIDER_CONFIGURATION, subject

Constructor Summary

Constructors

Constructor	Description
JsonPathAddEvaluator(Evaluator<String> subject, Evaluator<String> jsonPathExp, Evaluator<?> valueEvaluator)

Method Summary

Modifier and Type	Method	Description
com.jayway.jsonpath.DocumentContext	updateAttribute(com.jayway.jsonpath.DocumentContext documentContext, com.jayway.jsonpath.JsonPath jsonPath, Object value)	Update the attribute at the specified path.

Methods inherited from class org.apache.nifi.attribute.expression.language.evaluation.functions.JsonPathUpdateEvaluator

evaluate

Methods inherited from class org.apache.nifi.attribute.expression.language.evaluation.functions.JsonPathBaseEvaluator

compileJsonPathExpression, getDocumentContext, getJsonPath, getResultRepresentation, getSubjectEvaluator, isJsonScalar, validateAndEstablishJsonContext

Methods inherited from class org.apache.nifi.attribute.expression.language.evaluation.StringEvaluator

getEvaluationsRemaining, getResultType, getToken, setToken

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

JsonPathAddEvaluator

public JsonPathAddEvaluator(Evaluator<String> subject,
 Evaluator<String> jsonPathExp,
 Evaluator<?> valueEvaluator)

Method Details

updateAttribute

public com.jayway.jsonpath.DocumentContext updateAttribute(com.jayway.jsonpath.DocumentContext documentContext,
 com.jayway.jsonpath.JsonPath jsonPath,
 Object value)

Description copied from class: JsonPathUpdateEvaluator

Update the attribute at the specified path. The subclasses will need to implement this method.

Overrides:

updateAttribute in class JsonPathUpdateEvaluator

Parameters:

documentContext - the document to be updated

jsonPath - the path to update

value - the value to be applied at the specified path

Returns:

the updated DocumentContext