Package org.odpi.openmetadata.commonservices.generichandlers

Class ExternalReferenceHandler<B>

java.lang.Object

org.odpi.openmetadata.commonservices.generichandlers.OpenMetadataAPIGenericHandler<B>

org.odpi.openmetadata.commonservices.generichandlers.ReferenceableHandler<B>

org.odpi.openmetadata.commonservices.generichandlers.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.

Field Summary

Fields inherited from class org.odpi.openmetadata.commonservices.generichandlers.OpenMetadataAPIGenericHandler

auditLog, beanClass, converter, defaultZones, errorHandler, invalidParameterHandler, localServerUserId, publishZones, repositoryHandler, repositoryHelper, securityVerifier, serverName, serviceName, supportedZones

Constructor Summary

Constructors

Constructor

Description

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

Method Summary

Modifier and Type	Method	Description
int	countExternalReferences(String userId, String elementGUID, String methodName)	Count the number of external references attached to an anchor entity.
List<B>	getExternalReferences(String userId, String elementGUID, String elementGUIDParameterName, String elementTypeName, List<String> serviceSupportedZones, int startingFrom, int pageSize, String methodName)	Return the external references attached to an anchor entity.

Methods inherited from class org.odpi.openmetadata.commonservices.generichandlers.ReferenceableHandler

addOwner, addSecurityTags, addTemplateClassification, clearBusinessSignificant, findBeanGUIDsByQualifiedName, findBeanGUIDsByQualifiedName, findBeansByQualifiedName, findBeansByQualifiedName, getBeanByQualifiedName, getBeanByQualifiedName, getBeanGUIDByQualifiedName, getBeanGUIDByQualifiedName, getBeanGUIDsByQualifiedName, getBeanGUIDsByQualifiedName, getBeansByQualifiedName, getBeansByQualifiedName, getCollectionMembers, getEntityByUniqueQualifiedName, getMoreInformation, getMoreInformation, getVendorProperties, linkElementsAsDuplicates, removeOwner, removeResourceListMember, removeSecurityTags, removeSemanticAssignment, removeTemplateClassification, saveResourceListMember, saveSemanticAssignment, saveSemanticAssignment, setBusinessSignificant, setVendorProperties, unlinkElementsAsDuplicates

Methods inherited from class org.odpi.openmetadata.commonservices.generichandlers.OpenMetadataAPIGenericHandler

addAnchorsClassification, archiveBeanInRepository, archiveBeanInRepository, countAttachments, createBeanFromTemplate, createBeanInRepository, deleteBeanInRepository, deleteBeanInRepository, findAttachmentLinks, findBeanGUIDs, findBeans, findBeans, findBeans, findBeans, findEntities, getAllAttachmentLinks, getAnchorsForAttachedElements, getAttachedElement, getAttachedElement, getAttachedElementGUID, getAttachedElementGUID, getAttachedElementGUIDs, getAttachedElementGUIDs, getAttachedElements, getAttachedElements, getAttachedElements, getAttachedElements, getAttachedEntities, getAttachedEntities, getAttachedEntities, getAttachedEntity, getAttachedEntity, getAttachmentLinks, getAttachmentLinks, getAttachmentLinks, getBeanByUniqueName, getBeanByUniqueName, getBeanByValue, getBeanFromEntity, getBeanFromRepository, getBeanFromRepository, getBeanGUIDByUniqueName, getBeanGUIDByUniqueName, getBeanGUIDsByClassification, getBeanGUIDsByType, getBeanGUIDsByType, getBeanGUIDsByValue, getBeansByClassification, getBeansByCreator, getBeansByIntValue, getBeansByType, getBeansByType, getBeansByValue, getBeansByValue, getBeansByValue, getBeansByValue, getBeansByValue, getEntitiesByIntValue, getEntitiesByType, getEntitiesByValue, getEntitiesByValue, getEntitiesByValue, getEntitiesByValue, getEntityByValue, getEntityFromRepository, getEntityFromRepository, getEntityFromRepository, getEntityFromRepository, getEntityGUIDByValue, getEntityGUIDsByValue, getRepositoryHelper, getServiceName, getTypeDefByName, getUniqueAttachmentLink, getUniqueAttachmentLink, linkElementToElement, linkElementToElement, maintainSupplementaryProperties, relinkElementToNewElement, relinkElementToNewElement, removeClassificationFromRepository, setClassificationInRepository, setClassificationInRepository, setSecurityVerifier, unlinkAllElements, unlinkAllElements, unlinkConnectedElement, unlinkConnectedElement, unlinkElementFromElement, unlinkElementFromElement, unlinkElementFromElement, unlinkElementFromElement, updateBeanEffectivityDates, updateBeanInRepository, updateBeanInRepository, updateBeanPropertyInRepository, updateBeanStatusInRepository, updateBeanStatusInRepository, updateClassificationEffectivityDates, updateElementToElementLink, updateElementToElementLink, updateRelationshipEffectivityDates, updateRelationshipProperties, validateAnchorEntity, validateAnchorEntity, validateUniqueProperty, verifyExternalSourceIdentity

Methods inherited from class java.lang.Object

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

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

countExternalReferences

public int countExternalReferences(String userId,
                                   String elementGUID,
                                   String methodName)
                            throws InvalidParameterException,
                                   PropertyServerException,
                                   UserNotAuthorizedException

Count the number of external references attached to an anchor entity.

Parameters:

userId - calling user

elementGUID - identifier for the entity that the object is attached to

methodName - calling method

Returns:

count of attached objects or null if none found

Throws:

InvalidParameterException - the parameters are invalid

UserNotAuthorizedException - user not authorized to issue this request

PropertyServerException - problem accessing the property server

getExternalReferences

public List<B> getExternalReferences(String userId,
                                     String elementGUID,
                                     String elementGUIDParameterName,
                                     String elementTypeName,
                                     List<String> serviceSupportedZones,
                                     int startingFrom,
                                     int pageSize,
                                     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

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