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

Class LineageGraphStorageService

java.lang.Object

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

All Implemented Interfaces:

LineageGraph

public class LineageGraphStorageService
extends Object
implements LineageGraph

Constructor Summary

Constructors

Constructor	Description
LineageGraphStorageService(GraphHelper graphHelper, AuditLog auditLog)

Method Summary

Modifier and Type	Method	Description
void	deleteClassification(Set<GraphContext> classificationContext)	Deletes a classification of a vertex
void	deleteEntity(String guid, Object version)
void	deleteRelationship(String guid)
Optional<Long>	getAssetLineageUpdateTime()
void	handleSaveAssetLineageUpdateTimeException(Exception e)
Boolean	isEntityInGraph(String guid)
void	saveAssetLineageUpdateTime(Long lastUpdateTime)
void	storeToGraph(Set<GraphContext> graphContext)	Creates vertices and the relationships between them
void	updateClassification(Set<GraphContext> classificationContext)	Updates the classification of a vertex
void	updateEntity(LineageEntity lineageEntity)	Updates the properties of a vertex
void	updateNeighbours(LineageSyncUpdateContext syncUpdateContext)	Updates the neighbours of a node by removing all the entities that no longer have a relationship with it.
void	updateRelationship(LineageRelationship lineageRelationship)	Updates the properties of an edge
void	upsertRelationship(LineageRelationship lineageRelationship)	Create or update the relationship between two edges In case the vertexes are not created, they are firstly created

Methods inherited from class java.lang.Object

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

Constructor Detail

LineageGraphStorageService

public LineageGraphStorageService(GraphHelper graphHelper,
                                  AuditLog auditLog)

Method Detail

storeToGraph

public void storeToGraph(Set<GraphContext> graphContext)

Creates vertices and the relationships between them

Specified by:

storeToGraph in interface LineageGraph

Parameters:

graphContext - - graph Collection that contains vertices and edges to be stored

updateNeighbours

public void updateNeighbours(LineageSyncUpdateContext syncUpdateContext)

Updates the neighbours of a node by removing all the entities that no longer have a relationship with it.

SyncUpdateContext contains the context for syncing the relationships of a node after an update.

Specified by:

updateNeighbours in interface LineageGraph

updateEntity

public void updateEntity(LineageEntity lineageEntity)

Updates the properties of a vertex

Specified by:

updateEntity in interface LineageGraph

Parameters:

lineageEntity - - LineageEntity object that has the updated values

upsertRelationship

public void upsertRelationship(LineageRelationship lineageRelationship)

Create or update the relationship between two edges In case the vertexes are not created, they are firstly created

Specified by:

upsertRelationship in interface LineageGraph

Parameters:

lineageRelationship - relationship to be updated or created

updateRelationship

public void updateRelationship(LineageRelationship lineageRelationship)

Updates the properties of an edge

Specified by:

updateRelationship in interface LineageGraph

Parameters:

lineageRelationship - - lineageRelationship object that has the updated values

updateClassification

public void updateClassification(Set<GraphContext> classificationContext)

Updates the classification of a vertex

Specified by:

updateClassification in interface LineageGraph

Parameters:

classificationContext - - LineageEntity object that has the updated values

deleteClassification

public void deleteClassification(Set<GraphContext> classificationContext)

Deletes a classification of a vertex

Specified by:

deleteClassification in interface LineageGraph

Parameters:

classificationContext - - any remaining classifications, empty map if none

deleteRelationship

public void deleteRelationship(String guid)

Specified by:

deleteRelationship in interface LineageGraph

deleteEntity

public void deleteEntity(String guid,
                         Object version)

Specified by:

deleteEntity in interface LineageGraph

saveAssetLineageUpdateTime

public void saveAssetLineageUpdateTime(Long lastUpdateTime)

Specified by:

saveAssetLineageUpdateTime in interface LineageGraph

handleSaveAssetLineageUpdateTimeException

public void handleSaveAssetLineageUpdateTimeException(Exception e)

getAssetLineageUpdateTime

public Optional<Long> getAssetLineageUpdateTime()

Specified by:

getAssetLineageUpdateTime in interface LineageGraph

isEntityInGraph

public Boolean isEntityInGraph(String guid)

Specified by:

isEntityInGraph in interface LineageGraph

Returns: