org.apache.nifi.processors.standard.enrichment

Class IndexCorrelatedJoinStrategy

java.lang.Object

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

All Implemented Interfaces:

RecordJoinStrategy

Direct Known Subclasses:

InsertRecordFieldsJoinStrategy, WrapperJoinStrategy

public abstract class IndexCorrelatedJoinStrategy
extends Object
implements RecordJoinStrategy

Field Summary

Fields

Modifier and Type	Field and Description
private ComponentLog	logger

Constructor Summary

Constructors

Constructor and Description
IndexCorrelatedJoinStrategy(ComponentLog logger)

Method Summary

Modifier and Type	Method and Description
private void	closeQuietly(AutoCloseable... closeables)
private void	closeQuietly(AutoCloseable closeable)
protected abstract Record	combineRecords(Record originalRecord, Record enrichmentRecord, RecordSchema resultSchema)
protected abstract RecordSchema	createResultSchema(Record firstOriginalRecord, Record firstEnrichmentRecord)
protected ComponentLog	getLogger()
RecordJoinResult	join(RecordJoinInput originalInput, RecordJoinInput enrichmentInput, ProcessSession session, RecordSchema writerSchema)

Methods inherited from class java.lang.Object

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

Field Detail

logger

private final ComponentLog logger

Constructor Detail

IndexCorrelatedJoinStrategy

public IndexCorrelatedJoinStrategy(ComponentLog logger)

Method Detail

getLogger

protected ComponentLog getLogger()

join

public RecordJoinResult join(RecordJoinInput originalInput,
                             RecordJoinInput enrichmentInput,
                             ProcessSession session,
                             RecordSchema writerSchema)
                      throws Exception

Specified by:

join in interface RecordJoinStrategy

Throws:

Exception

closeQuietly

private void closeQuietly(AutoCloseable... closeables)

closeQuietly

private void closeQuietly(AutoCloseable closeable)

combineRecords

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

createResultSchema

protected abstract RecordSchema createResultSchema(Record firstOriginalRecord,
                                                   Record firstEnrichmentRecord)