org.apache.nifi.processors.standard.enrichment

Class InsertRecordFieldsJoinStrategy

java.lang.Object

org.apache.nifi.processors.standard.enrichment.IndexCorrelatedJoinStrategy

org.apache.nifi.processors.standard.enrichment.InsertRecordFieldsJoinStrategy

All Implemented Interfaces:

RecordJoinStrategy

public class InsertRecordFieldsJoinStrategy
extends IndexCorrelatedJoinStrategy

Field Summary

Fields

Modifier and Type	Field and Description
private RecordPath	recordPath
private static RecordPathCache	recordPathCache

Constructor Summary

Constructors

Constructor and Description
InsertRecordFieldsJoinStrategy(ComponentLog logger, String insertionRecordPath)

Method Summary

Modifier and Type	Method and Description
private Record	combineRecords(Record originalRecord, Record enrichmentRecord, boolean incorporateEnrichmentSchema) Creates a single record that combines both the original record and the enrichment record
protected Record	combineRecords(Record originalRecord, Record enrichmentRecord, RecordSchema resultSchema)
protected RecordSchema	createResultSchema(Record firstOriginalRecord, Record firstEnrichmentRecord)

Methods inherited from class org.apache.nifi.processors.standard.enrichment.IndexCorrelatedJoinStrategy

getLogger, join

Methods inherited from class java.lang.Object

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

Field Detail

recordPathCache

private static final RecordPathCache recordPathCache

recordPath

private final RecordPath recordPath

Constructor Detail

InsertRecordFieldsJoinStrategy

public InsertRecordFieldsJoinStrategy(ComponentLog logger,
                                      String insertionRecordPath)

Method Detail

combineRecords

protected Record combineRecords(Record originalRecord,
                                Record enrichmentRecord,
                                RecordSchema resultSchema)

Specified by:

combineRecords in class IndexCorrelatedJoinStrategy

combineRecords

private Record combineRecords(Record originalRecord,
                              Record enrichmentRecord,
                              boolean incorporateEnrichmentSchema)

Creates a single record that combines both the original record and the enrichment record

Parameters:

originalRecord - the original record

enrichmentRecord - the enrichment record

incorporateEnrichmentSchema - whether or not to update the originalRecord's schema to include the fields of the enrichmentRecord. Doing so can be expensive and is not necessary if the Record's schema will not be used.

Returns:

the combined record

createResultSchema

protected RecordSchema createResultSchema(Record firstOriginalRecord,
                                          Record firstEnrichmentRecord)

Specified by:

createResultSchema in class IndexCorrelatedJoinStrategy