public interface LineageGraph
  • Method Summary

    Modifier and Type
    Method
    Description
    void
    deleteClassification(Set<org.odpi.openmetadata.accessservices.assetlineage.model.GraphContext> classificationContext)
    Deletes an entity's classification in the Graph
    void
    deleteEntity(String guid, Object version)
    /** Deletes a vertex in the graph
    void
    Deletes a relationship in the graph
    Gets last asset lineage update time from the graph
    Returns whether an entity exists in the graph or not
    void
    Save last asset lineage update time in the graph
    void
    storeToGraph(Set<org.odpi.openmetadata.accessservices.assetlineage.model.GraphContext> graphContext)
    Stores a lineage event into the lineage graph database
    void
    updateClassification(Set<org.odpi.openmetadata.accessservices.assetlineage.model.GraphContext> classificationContext)
    Updates an entity's classification in the Graph
    void
    updateEntity(org.odpi.openmetadata.accessservices.assetlineage.model.LineageEntity lineageEntity)
    Updates a vertex in the Graph
    void
    updateNeighbours(org.odpi.openmetadata.accessservices.assetlineage.model.LineageSyncUpdateContext syncUpdateContext)
    Updates the neighbours of a node by removing all the relationships that no longer have a direct link to the entity.
    void
    updateRelationship(org.odpi.openmetadata.accessservices.assetlineage.model.LineageRelationship lineageRelationship)
    Updates a vertex in the Graph
    void
    upsertRelationship(org.odpi.openmetadata.accessservices.assetlineage.model.LineageRelationship lineageRelationship)
    Create or update the relationship between two edges In case the vertexes are not created, they are firstly created
  • Method Details

    • storeToGraph

      void storeToGraph(Set<org.odpi.openmetadata.accessservices.assetlineage.model.GraphContext> graphContext)
      Stores a lineage event into the lineage graph database
      Parameters:
      graphContext - graph Collection
    • updateNeighbours

      void updateNeighbours(org.odpi.openmetadata.accessservices.assetlineage.model.LineageSyncUpdateContext syncUpdateContext)
      Updates the neighbours of a node by removing all the relationships that no longer have a direct link to the entity. SyncUpdateContext contains the context for syncing the relationships of a node after an update.
    • updateEntity

      void updateEntity(org.odpi.openmetadata.accessservices.assetlineage.model.LineageEntity lineageEntity)
      Updates a vertex in the Graph
      Parameters:
      lineageEntity - entity to be updated
    • upsertRelationship

      void upsertRelationship(org.odpi.openmetadata.accessservices.assetlineage.model.LineageRelationship lineageRelationship)
      Create or update the relationship between two edges In case the vertexes are not created, they are firstly created
      Parameters:
      lineageRelationship - relationship to be updated or created
    • updateRelationship

      void updateRelationship(org.odpi.openmetadata.accessservices.assetlineage.model.LineageRelationship lineageRelationship)
      Updates a vertex in the Graph
      Parameters:
      lineageRelationship - relationship to be updated
    • updateClassification

      void updateClassification(Set<org.odpi.openmetadata.accessservices.assetlineage.model.GraphContext> classificationContext)
      Updates an entity's classification in the Graph
      Parameters:
      classificationContext - classification context
    • deleteClassification

      void deleteClassification(Set<org.odpi.openmetadata.accessservices.assetlineage.model.GraphContext> classificationContext)
      Deletes an entity's classification in the Graph
      Parameters:
      classificationContext - classification context
    • deleteRelationship

      void deleteRelationship(String guid)
      Deletes a relationship in the graph
      Parameters:
      guid - unique identifier of the entity to be deleted
    • deleteEntity

      void deleteEntity(String guid, Object version)
      /** Deletes a vertex in the graph
      Parameters:
      guid - unique identifier of the entity to be deleted
      version - version of the entity to be deleted
    • saveAssetLineageUpdateTime

      void saveAssetLineageUpdateTime(Long timestamp)
      Save last asset lineage update time in the graph
      Parameters:
      timestamp - the standard epoch time in milliseconds
    • getAssetLineageUpdateTime

      Optional<Long> getAssetLineageUpdateTime()
      Gets last asset lineage update time from the graph
      Returns:
      last update time represented as epoch time milliseconds
    • isEntityInGraph

      Boolean isEntityInGraph(String guid)
      Returns whether an entity exists in the graph or not
      Parameters:
      guid - the lineage entity guid
      Returns:
      the boolean