org.odpi.openmetadata.governanceservers.openlineage

Class OpenLineageConnectorBase

java.lang.Object

org.odpi.openmetadata.frameworks.connectors.Connector

org.odpi.openmetadata.frameworks.connectors.ConnectorBase

org.odpi.openmetadata.governanceservers.openlineage.OpenLineageConnectorBase

All Implemented Interfaces:

OpenLineageGraphStore

public class OpenLineageConnectorBase
extends ConnectorBase
implements OpenLineageGraphStore

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
OpenLineageConnectorBase()

Method Summary

Modifier and Type	Method and Description
void	addEntity(ProcessLineageEvent processLineageEvent) Process the serialized information view event
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

OpenLineageConnectorBase

public OpenLineageConnectorBase()

Method Detail

initialize

public void initialize(String connectorInstanceId,
                       ConnectionProperties connectionProperties)

Initialize the connector.

Overrides:

initialize in class ConnectorBase

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)

Process the serialized information view event

Specified by:

addEntity in interface OpenLineageGraphStore

Parameters:

processLineageEvent - event

lineage

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

Returns a lineage subgraph.

Specified by:

lineage in interface OpenLineageGraphStore

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

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

Parameters:

graphName - MAIN, BUFFER, MOCK, HISTORY.

Returns:

The queried graph, in graphSON format.