Package org.odpi.openmetadata.governanceservers.lineagewarehouse.handlers

Class LineageWarehouseHandler

java.lang.Object

org.odpi.openmetadata.governanceservers.lineagewarehouse.handlers.LineageWarehouseHandler

public class LineageWarehouseHandler
extends Object

Constructor Summary

Constructors

Constructor	Description
LineageWarehouseHandler(LineageWarehouseQueryService lineageWarehouseQueryService)

Method Summary

Modifier and Type	Method	Description
LineageResponse	getElementHierarchy(ElementHierarchyRequest elementHierarchyRequest)	Returns a subraph representing the hierarchy of a certain node, based on the request
LineageVertexResponse	getEntityDetails(String guid)	Gets entity details.
LineageNodeNamesResponse	getNodes(NodeNamesSearchCriteria searchCriteria)	Gets nodes names of certain type with display name containing a certain value - case insensitive
LineageTypesResponse	getTypes()	Gets available entities types from lineage repository.
LineageResponse	lineage(Scope scope, String guid, boolean includeProcesses)	Returns a lineage subgraph.
LineageSearchResponse	search(LineageSearchRequest request)	Gets entity details.

Methods inherited from class java.lang.Object

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

Constructor Details

LineageWarehouseHandler

public LineageWarehouseHandler(LineageWarehouseQueryService lineageWarehouseQueryService)

Method Details

lineage

public LineageResponse lineage(Scope scope,
 String guid,
 boolean includeProcesses)
                        throws LineageWarehouseException

Returns a lineage subgraph.

Parameters:

scope - source-and-destination, end-to-end, ultimate-source, ultimate-destination, glossary.

guid - The guid of the node of which the lineage is queried from.

includeProcesses -

Returns:

A subgraph containing all relevant paths, in graphSON format.

Throws:

LineageWarehouseException

getEntityDetails

public LineageVertexResponse getEntityDetails(String guid)

Gets entity details.

Parameters:

guid - the guid

Returns:

the entity details

search

public LineageSearchResponse search(LineageSearchRequest request)

Gets entity details.

Parameters:

request - the request

Returns:

the entity details

getTypes

public LineageTypesResponse getTypes()

Gets available entities types from lineage repository.

Returns:

the available entities types

getNodes

public LineageNodeNamesResponse getNodes(NodeNamesSearchCriteria searchCriteria)

Gets nodes names of certain type with display name containing a certain value - case insensitive

Parameters:

searchCriteria - contains the type of the node names to search for, a search string being part of the display name of the nodes, the maximum number of node names to retrieve

Returns:

the node names that match criteria

getElementHierarchy

public LineageResponse getElementHierarchy(ElementHierarchyRequest elementHierarchyRequest)

Returns a subraph representing the hierarchy of a certain node, based on the request

Parameters:

elementHierarchyRequest - contains the guid of the queried node and the hierarchyType of the display name of the nodes, the maximum number of node names to retrieve

Returns:

nodes and edges representing the element hierarchy