Package org.odpi.openmetadata.repositoryservices.enterprise.repositoryconnector.accumulators

Class RelationshipsAccumulator

java.lang.Object

org.odpi.openmetadata.repositoryservices.enterprise.repositoryconnector.accumulators.ExceptionAccumulatorBase

org.odpi.openmetadata.repositoryservices.enterprise.repositoryconnector.accumulators.QueryAccumulatorBase

org.odpi.openmetadata.repositoryservices.enterprise.repositoryconnector.accumulators.QueryInstanceAccumulatorBase

org.odpi.openmetadata.repositoryservices.enterprise.repositoryconnector.accumulators.RelationshipsAccumulator

Direct Known Subclasses:

RelationshipHistoryAccumulator

public class RelationshipsAccumulator
extends QueryInstanceAccumulatorBase

RelationshipsAccumulator accumulates and validates relationships received from a collection of open metadata repositories. It removes duplicates from the list by choosing the latest version. This class may be called simultaneously from different threads, so it must be thread-safe.

Field Summary

Fields inherited from class org.odpi.openmetadata.repositoryservices.enterprise.repositoryconnector.accumulators.QueryInstanceAccumulatorBase

locallyStoredInstancesGUIDs

Fields inherited from class org.odpi.openmetadata.repositoryservices.enterprise.repositoryconnector.accumulators.QueryAccumulatorBase

localMetadataCollectionId, repositoryValidator

Constructor Summary

Constructors

Constructor	Description
RelationshipsAccumulator(String localMetadataCollectionId, AuditLog auditLog, OMRSRepositoryValidator repositoryValidator)	Construct a relationship accumulator.

Method Summary

Modifier and Type	Method	Description
void	addRelationships(List<Relationship> relationships, String metadataCollectionId)	Add a list of relationships to the accumulator.
List<Relationship>	getResults(EnterpriseOMRSRepositoryConnector repositoryConnector)	Extract the results - this will a list of unique relationships selected from the instances supplied to this accumulator.

Methods inherited from class org.odpi.openmetadata.repositoryservices.enterprise.repositoryconnector.accumulators.QueryAccumulatorBase

areResultsComplete, captureException, captureException, captureException, captureException, captureException, captureException, captureException, captureException, captureException, captureException, captureException, captureGenericException, registerExecutor, resultsReturned

Methods inherited from class org.odpi.openmetadata.repositoryservices.enterprise.repositoryconnector.accumulators.ExceptionAccumulatorBase

throwCapturedClassificationErrorException, throwCapturedEntityNotDeletedException, throwCapturedEntityNotKnownException, throwCapturedEntityProxyOnlyException, throwCapturedFunctionNotSupportedException, throwCapturedGenericException, throwCapturedInvalidParameterException, throwCapturedInvalidTypeDefException, throwCapturedPagingErrorException, throwCapturedPropertyErrorException, throwCapturedRelationshipNotDeletedException, throwCapturedRelationshipNotKnownException, throwCapturedRepositoryErrorException, throwCapturedStatusNotSupportedException, throwCapturedTypeDefConflictException, throwCapturedTypeDefNotKnownException, throwCapturedTypeDefNotSupportedException, throwCapturedTypeErrorException, throwCapturedUserNotAuthorizedException

Methods inherited from class java.lang.Object

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

Constructor Details

RelationshipsAccumulator

public RelationshipsAccumulator(String localMetadataCollectionId,
 AuditLog auditLog,
 OMRSRepositoryValidator repositoryValidator)

Construct a relationship accumulator. Its base class manages the common variables needed to control the execution of requests across all members of the cohort(s).

Parameters:

localMetadataCollectionId - collection id of local repository - null means no local repository

auditLog - audit log provides destination for log messages

repositoryValidator - validator provides common validation routines

Method Details

addRelationships

public void addRelationships(List<Relationship> relationships,
 String metadataCollectionId)

Add a list of relationships to the accumulator. This method is included to save the executors from coding this loop to process each instance.

Parameters:

relationships - list of retrieved relationships

metadataCollectionId - source metadata collection

getResults

public List<Relationship> getResults(EnterpriseOMRSRepositoryConnector repositoryConnector)

Extract the results - this will a list of unique relationships selected from the instances supplied to this accumulator. It should be called once all the executors have completed processing their request(s).

Parameters:

repositoryConnector - enterprise connector

Returns:

list of relationships