org.odpi.openmetadata.governanceservers.openlineage.handlers

Class OpenLineageHandler

java.lang.Object

org.odpi.openmetadata.governanceservers.openlineage.handlers.OpenLineageHandler

public class OpenLineageHandler
extends Object

Constructor Summary

Constructors

Constructor and Description
OpenLineageHandler(MainGraph mainGraph)

Method Summary

Modifier and Type	Method and Description
void	dumpMainGraph() Write an entire graph to disc in the Egeria root folder, in the .GraphMl format.
String	exportMainGraph() Return an entire graph, in GraphSon format.
LineageResponse	lineage(Scope scope, View view, String guid, String displayNameMustContain, boolean includeProcesses) Returns a lineage subgraph.

Methods inherited from class java.lang.Object

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

Constructor Detail

OpenLineageHandler

public OpenLineageHandler(MainGraph mainGraph)

Method Detail

lineage

public LineageResponse lineage(Scope scope,
                               View view,
                               String guid,
                               String displayNameMustContain,
                               boolean includeProcesses)
                        throws OpenLineageException

Returns a lineage subgraph.

Parameters:

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.

displayNameMustContain -

includeProcesses -

Returns:

A subgraph containing all relevant paths, in graphSON format.

Throws:

OpenLineageException

dumpMainGraph

public void dumpMainGraph()
                   throws OpenLineageException

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

Throws:

OpenLineageException

exportMainGraph

public String exportMainGraph()
                       throws OpenLineageException

Return an entire graph, in GraphSon format.

Returns:

The queried graph, in graphSON format.

Throws:

OpenLineageException