SplitJson

Bundle: org.apache.nifi | nifi-standard-nar
Description: Splits a JSON File into multiple, separate FlowFiles for an array element specified by a JsonPath expression. Each generated FlowFile is comprised of an element of the specified array and transferred to relationship 'split,' with the original file transferred to the 'original' relationship. If the specified JsonPath is not found or does not evaluate to an array element, the original file is routed to 'failure' and no files are generated.
Tags: json, jsonpath, split
Input Requirement: REQUIRED
Supports Sensitive Dynamic Properties: false

Properties

System Resource Considerations

Resource	Description
MEMORY	The entirety of the FlowFile's content (as a JsonNode object) is read into memory, in addition to all of the generated FlowFiles representing the split JSON. If many splits are generated due to the size of the JSON, or how the JSON is configured to be split, a two-phase approach may be necessary to avoid excessive use of memory.

Relationships

Name	Description
split	All segments of the original FlowFile will be routed to this relationship
original	The original FlowFile that was split into segments. If the FlowFile fails processing, nothing will be sent to this relationship
failure	If a FlowFile fails processing for any reason (for example, the FlowFile is not valid JSON or the specified path does not exist), it will be routed to this relationship

Writes Attributes

Name	Description
fragment.identifier	All split FlowFiles produced from the same parent FlowFile will have the same randomly generated UUID added for this attribute
fragment.index	A one-up number that indicates the ordering of the split FlowFiles that were created from a single parent FlowFile
fragment.count	The number of split FlowFiles generated from the parent FlowFile
segment.original.filename	The filename of the parent FlowFile