org.apache.nifi.atlas.provenance

Class NiFiProvenanceEventAnalyzerFactory

java.lang.Object

org.apache.nifi.atlas.provenance.NiFiProvenanceEventAnalyzerFactory

public class NiFiProvenanceEventAnalyzerFactory
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	NiFiProvenanceEventAnalyzerFactory.AnalyzerHolder This holder class is used to implement initialization-on-demand holder idiom to avoid double-checked locking anti-pattern.

Constructor Summary

Constructors

Constructor and Description
NiFiProvenanceEventAnalyzerFactory()

Method Summary

Modifier and Type	Method and Description
static NiFiProvenanceEventAnalyzer	getAnalyzer(String typeName, String transitUri, ProvenanceEventType eventType) Find and retrieve NiFiProvenanceEventAnalyzer implementation for the specified targets.

Methods inherited from class java.lang.Object

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

Constructor Detail

NiFiProvenanceEventAnalyzerFactory

public NiFiProvenanceEventAnalyzerFactory()

Method Detail

getAnalyzer

public static NiFiProvenanceEventAnalyzer getAnalyzer(String typeName,
                                                      String transitUri,
                                                      ProvenanceEventType eventType)

Find and retrieve NiFiProvenanceEventAnalyzer implementation for the specified targets. Pattern matching is performed by following order, and the one found at first is returned:

1. Component type name. Use an analyzer supporting the Component type with its NiFiProvenanceEventAnalyzer.targetProvenanceEventType().
2. TransitUri. Use an analyzer supporting the TransitUri with its NiFiProvenanceEventAnalyzer.targetTransitUriPattern().
3. Provenance Event Type. Use an analyzer supporting the Provenance Event Type with its NiFiProvenanceEventAnalyzer.targetProvenanceEventType().

Parameters:

typeName - NiFi component type name.

transitUri - Transit URI.

eventType - Provenance event type.

Returns:

Instance of NiFiProvenanceEventAnalyzer if one is found for the specified className, otherwise null.