Package org.odpi.openmetadata.adapters.repositoryservices.xtdb.repositoryconnector.readops

Class GetLinkingEntities

java.lang.Object

org.odpi.openmetadata.adapters.repositoryservices.xtdb.repositoryconnector.readops.AbstractReadOperation

org.odpi.openmetadata.adapters.repositoryservices.xtdb.repositoryconnector.readops.AbstractGraphOperation

org.odpi.openmetadata.adapters.repositoryservices.xtdb.repositoryconnector.readops.GetLinkingEntities

public class GetLinkingEntities
extends AbstractGraphOperation

Implements the 'getLinkingEntities' operation of the OMRS metadata collection interface.

Field Summary

Fields inherited from class org.odpi.openmetadata.adapters.repositoryservices.xtdb.repositoryconnector.readops.AbstractGraphOperation

limitResultsByStatus, startEntityGUID

Fields inherited from class org.odpi.openmetadata.adapters.repositoryservices.xtdb.repositoryconnector.readops.AbstractReadOperation

asOfTime, existingDB, xtdb

Constructor Summary

Constructors

Constructor	Description
GetLinkingEntities(XTDBOMRSRepositoryConnector xtdb, String startEntityGUID, String endEntityGUID, List<InstanceStatus> limitResultsByStatus, Date asOfTime)	Create a new getLinkingEntities operation.

Method Summary

Modifier and Type	Method	Description
InstanceGraph	execute()	Execute the getLinkingEntities operation.

Methods inherited from class org.odpi.openmetadata.adapters.repositoryservices.xtdb.repositoryconnector.readops.AbstractGraphOperation

findDirectNeighbors, findNeighborhood, getEntityRefFromGraphTuple, getNextLevelNeighbors, resultsToGraph

Methods inherited from class org.odpi.openmetadata.adapters.repositoryservices.xtdb.repositoryconnector.readops.AbstractReadOperation

getXtdbObjectByReference

Methods inherited from class java.lang.Object

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

Constructor Details

GetLinkingEntities

public GetLinkingEntities(XTDBOMRSRepositoryConnector xtdb,
 String startEntityGUID,
 String endEntityGUID,
 List<InstanceStatus> limitResultsByStatus,
 Date asOfTime)

Create a new getLinkingEntities operation.

Parameters:

xtdb - connectivity to XTDB

startEntityGUID - the starting point of the query

endEntityGUID - the finishing point of the query

limitResultsByStatus - list of statuses by which to limit results

asOfTime - the point-in-time for which to retrieve results

Method Details

execute

public InstanceGraph execute()
                      throws EntityNotKnownException,
RepositoryErrorException

Execute the getLinkingEntities operation.

Returns:

InstanceGraph containing all relationships and entities between the start and end

Throws:

EntityNotKnownException - if the requested starting point is not known to the repository

RepositoryErrorException - if any issue closing an open XTDB resource