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

Class LineageGraphConnectorHelper

java.lang.Object

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

public class LineageGraphConnectorHelper
extends Object

Constructor Summary

Constructors

Constructor and Description
LineageGraphConnectorHelper(org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource graphTraversalSource, boolean supportingTransactions)

Method Summary

Modifier and Type	Method and Description
Optional<LineageVerticesAndEdges>	endToEnd(String guid, boolean includeProcesses) Returns a subgraph containing all paths leading from any root node to the queried node, and all of the paths leading from the queried node to any leaf nodes.
Optional<LineageVerticesAndEdges>	sourceAndDestination(String guid, boolean includeProcesses) Returns a subgraph containing all root and leaf nodes of the full graph that are connected with the queried node.
Optional<LineageVerticesAndEdges>	ultimateDestination(String guid, boolean includeProcesses) Returns a subgraph containing all leaf nodes of the full graph that are connected with the queried node.
Optional<LineageVerticesAndEdges>	ultimateSource(String guid, boolean includeProcesses) Returns a subgraph containing all root of the full graph that are connected with the queried node.
Optional<LineageVerticesAndEdges>	verticalLineage(String guid) Returns a subgraph navigating the edges of interest based on target node type.

Methods inherited from class java.lang.Object

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

Constructor Detail

LineageGraphConnectorHelper

public LineageGraphConnectorHelper(org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource graphTraversalSource,
                                   boolean supportingTransactions)

Method Detail

ultimateSource

public Optional<LineageVerticesAndEdges> ultimateSource(String guid,
                                                        boolean includeProcesses)

Returns a subgraph containing all root of the full graph that are connected with the queried node. The queried node can be a column or table.

Parameters:

guid - The guid of the node of which the lineage is queried of. This can be a column or a table.

Returns:

a subgraph in an Open Lineage specific format.

ultimateDestination

public Optional<LineageVerticesAndEdges> ultimateDestination(String guid,
                                                             boolean includeProcesses)

Returns a subgraph containing all leaf nodes of the full graph that are connected with the queried node. The queried node can be a column or table.

Parameters:

guid - The guid of the node of which the lineage is queried of. This can be a column or table node.

Returns:

a subgraph in an Open Lineage specific format.

endToEnd

public Optional<LineageVerticesAndEdges> endToEnd(String guid,
                                                  boolean includeProcesses)

Returns a subgraph containing all paths leading from any root node to the queried node, and all of the paths leading from the queried node to any leaf nodes. The queried node can be a column or table.

Parameters:

guid - The guid of the node of which the lineage is queried of. This can be a column or a table.

Returns:

a subgraph in an Open Lineage specific format.

sourceAndDestination

public Optional<LineageVerticesAndEdges> sourceAndDestination(String guid,
                                                              boolean includeProcesses)

Returns a subgraph containing all root and leaf nodes of the full graph that are connected with the queried node. The queried node can be a column or table.

Parameters:

guid - The guid of the node of which the lineage is queried of. This can be a column or a table.

Returns:

a subgraph in an Open Lineage specific format

verticalLineage

public Optional<LineageVerticesAndEdges> verticalLineage(String guid)

Returns a subgraph navigating the edges of interest based on target node type. For more info, check glossaryVerticalLineage(java.lang.String), tabularColumnVerticalLineage(java.lang.String), relationalColumnVerticalLineage(java.lang.String)

Parameters:

guid - guid to extract vertical lineage for

Returns:

a subgraph in an Open Lineage specific format