org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector

Class JanusConnector

java.lang.Object

org.odpi.openmetadata.frameworks.connectors.Connector

org.odpi.openmetadata.frameworks.connectors.ConnectorBase

org.odpi.openmetadata.governanceservers.openlineage.OpenLineageConnectorBase

org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.JanusConnector

All Implemented Interfaces:

OpenLineageGraphStore

public class JanusConnector
extends OpenLineageConnectorBase

Nested Class Summary

Nested classes/interfaces inherited from class org.odpi.openmetadata.frameworks.connectors.ConnectorBase

ConnectorBase.ProtectedConnection

Field Summary

Fields inherited from class org.odpi.openmetadata.frameworks.connectors.ConnectorBase

connectedAssetProperties, connectionBean, connectionProperties, connectorInstanceId, isActive, securedProperties

Constructor Summary

Constructors

Constructor and Description
JanusConnector()

Method Summary

Modifier and Type	Method and Description
void	addEntity(ProcessLineageEvent processLineageEvent)
void	dumpGraph(String graphName) Write an entire graph to disc in the Egeria root folder, in the .GraphMl format.
String	exportGraph(String graphName) Return an entire graph, in GraphSon format.
void	initialize(String connectorInstanceId, ConnectionProperties connectionProperties) Initialize the connector.
String	lineage(String graphName, Scope scope, View view, String guid) Returns a lineage subgraph.

Methods inherited from class org.odpi.openmetadata.frameworks.connectors.ConnectorBase

disconnect, equals, getConnectedAssetProperties, getConnection, getConnectorInstanceId, hashCode, initializeConnectedAssetProperties, isActive, start, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

JanusConnector

public JanusConnector()

Method Detail

initialize

public void initialize(String connectorInstanceId,
                       ConnectionProperties connectionProperties)

Initialize the connector.

Overrides:

initialize in class OpenLineageConnectorBase

Parameters:

connectorInstanceId - - unique id for the connector instance - useful for messages etc

connectionProperties - - POJO for the configuration used to create the connector.

addEntity

public void addEntity(ProcessLineageEvent processLineageEvent)

Specified by:

addEntity in interface OpenLineageGraphStore

Overrides:

addEntity in class OpenLineageConnectorBase

lineage

public String lineage(String graphName,
                      Scope scope,
                      View view,
                      String guid)

Returns a lineage subgraph.

Specified by:

lineage in interface OpenLineageGraphStore

Overrides:

lineage in class OpenLineageConnectorBase

Parameters:

graphName - main, buffer, mock, history.

scope - source-and-destination, end-to-end, ultimate-source, ultimate-destination, glossary.

view - The view queried by the user: hostview, tableview, columnview.

guid - The guid of the node of which the lineage is queried from.

Returns:

A subgraph containing all relevant paths, in graphSON format.

dumpGraph

public void dumpGraph(String graphName)

Write an entire graph to disc in the Egeria root folder, in the .GraphMl format.

Specified by:

dumpGraph in interface OpenLineageGraphStore

Overrides:

dumpGraph in class OpenLineageConnectorBase

Parameters:

graphName - MAIN, BUFFER, MOCK, HISTORY.

exportGraph

public String exportGraph(String graphName)

Return an entire graph, in GraphSon format.

Specified by:

exportGraph in interface OpenLineageGraphStore

Overrides:

exportGraph in class OpenLineageConnectorBase

Parameters:

graphName - MAIN, BUFFER, MOCK, HISTORY.

Returns:

The queried graph, in graphSON format.