Class ExternalReferenceHandler<B>


  • public class ExternalReferenceHandler<B>
    extends ReferenceableHandler<B>
    ExternalReferenceHandler manages ExternalReference objects. It runs server-side in the OMAG Server Platform and retrieves ExternalReference entities through the OMRSRepositoryConnector.
    • Constructor Detail

      • ExternalReferenceHandler

        public ExternalReferenceHandler​(OpenMetadataAPIGenericConverter<B> converter,
                                        Class<B> beanClass,
                                        String serviceName,
                                        String serverName,
                                        InvalidParameterHandler invalidParameterHandler,
                                        RepositoryHandler repositoryHandler,
                                        OMRSRepositoryHelper repositoryHelper,
                                        String localServerUserId,
                                        OpenMetadataServerSecurityVerifier securityVerifier,
                                        List<String> supportedZones,
                                        List<String> defaultZones,
                                        List<String> publishZones,
                                        AuditLog auditLog)
        Construct the handler information needed to interact with the repository services
        Parameters:
        converter - specific converter for this bean class
        beanClass - name of bean class that is represented by the generic class B
        serviceName - name of this service
        serverName - name of the local server
        invalidParameterHandler - handler for managing parameter errors
        repositoryHandler - manages calls to the repository services
        repositoryHelper - provides utilities for manipulating the repository services objects
        localServerUserId - userId for this server
        securityVerifier - open metadata security services verifier
        supportedZones - list of zones that the access service is allowed to serve Asset instances from.
        defaultZones - list of zones that the access service should set in all new Asset instances.
        publishZones - list of zones that the access service sets up in published Asset instances.
        auditLog - destination for audit log events.
    • Method Detail

      • getExternalReferences

        public List<B> getExternalReferences​(String userId,
                                             String elementGUID,
                                             String elementGUIDParameterName,
                                             String elementTypeName,
                                             List<String> serviceSupportedZones,
                                             int startingFrom,
                                             int pageSize,
                                             Date effectiveTime,
                                             String methodName)
                                      throws InvalidParameterException,
                                             PropertyServerException,
                                             UserNotAuthorizedException
        Return the external references attached to an anchor entity.
        Parameters:
        userId - calling user
        elementGUID - identifier for the entity that the reference is attached to
        elementGUIDParameterName - name of parameter supplying the GUID
        elementTypeName - name of the type of object being attached to
        serviceSupportedZones - supported zones for calling service
        startingFrom - where to start from in the list
        pageSize - maximum number of results that can be returned
        effectiveTime - the time that the retrieved elements must be effective for
        methodName - calling method
        Returns:
        list of retrieved objects
        Throws:
        InvalidParameterException - the input properties are invalid
        UserNotAuthorizedException - user not authorized to issue this request
        PropertyServerException - problem accessing the property server