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 Details

    • 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 Details

    • createExternalReference

      public String createExternalReference(String userId, String externalSourceGUID, String externalSourceName, String anchorGUID, String qualifiedName, String displayName, String description, String url, String referenceVersion, String organization, Map<String,String> additionalProperties, String suppliedTypeName, Map<String,Object> extendedProperties, Date effectiveFrom, Date effectiveTo, Date effectiveTime, String methodName) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Create a definition of a external reference.
      Parameters:
      userId - calling user
      externalSourceGUID - guid of the software capability entity that represented the external source - null for local
      externalSourceName - name of the software capability entity that represented the external source
      anchorGUID - optional element to link the external reference to that will act as an anchor - that is, this external reference will be deleted when the element is deleted (once the external reference is linked to the anchor).
      qualifiedName - unique name for the reference
      displayName - short display name for the reference
      description - description of the reference
      url - the location of the reference
      referenceVersion - version of the reference
      organization - owning org for the reference
      additionalProperties - additional properties for an external reference
      suppliedTypeName - type of external reference
      extendedProperties - properties for an external reference subtype
      effectiveFrom - starting time for this relationship (null for all time)
      effectiveTo - ending time for this relationship (null for all time)
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      methodName - calling method
      Returns:
      unique identifier of external reference
      Throws:
      InvalidParameterException - qualifiedName or userId is null
      PropertyServerException - problem accessing property server
      UserNotAuthorizedException - security access problem
    • updateExternalReference

      public void updateExternalReference(String userId, String externalSourceGUID, String externalSourceName, String externalReferenceGUID, String externalReferenceGUIDParameterName, String qualifiedName, String displayName, String description, String url, String referenceVersion, String organization, Map<String,String> additionalProperties, String suppliedTypeName, Map<String,Object> extendedProperties, Date effectiveFrom, Date effectiveTo, boolean isMergeUpdate, boolean forLineage, boolean forDuplicateProcessing, Date effectiveTime, String methodName) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Update the external reference.
      Parameters:
      userId - calling user
      externalSourceGUID - guid of the software capability entity that represented the external source - null for local
      externalSourceName - name of the software capability entity that represented the external source
      externalReferenceGUID - unique identifier of the external reference to update
      externalReferenceGUIDParameterName - parameter passing the externalReferenceGUID
      qualifiedName - unique name for the reference
      displayName - short display name for the reference
      description - description of the reference
      url - the location of the reference
      referenceVersion - version of the reference
      organization - owning org for the reference
      additionalProperties - additional properties for an external reference
      suppliedTypeName - name of subtype or null
      extendedProperties - properties for a governance externalReference subtype
      isMergeUpdate - should the properties be merged with existing properties or replace the existing properties?
      effectiveFrom - the date when this element is active - null for active now
      effectiveTo - the date when this element becomes inactive - null for active until deleted
      forLineage - return elements marked with the Memento classification?
      forDuplicateProcessing - do not merge elements marked as duplicates?
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      methodName - calling method
      Throws:
      InvalidParameterException - qualifiedName or userId is null
      PropertyServerException - problem accessing property server
      UserNotAuthorizedException - security access problem
    • removeExternalReference

      public void removeExternalReference(String userId, String externalSourceGUID, String externalSourceName, String externalReferenceGUID, String externalReferenceGUIDParameterName, boolean forLineage, boolean forDuplicateProcessing, Date effectiveTime, String methodName) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Remove the metadata element representing an external reference.
      Parameters:
      userId - calling user
      externalSourceGUID - guid of the software capability entity that represented the external source - null for local
      externalSourceName - name of the software capability entity that represented the external source
      externalReferenceGUID - unique identifier of the metadata element to remove
      externalReferenceGUIDParameterName - parameter supplying the externalReferenceGUID
      forLineage - return elements marked with the Memento classification?
      forDuplicateProcessing - do not merge elements marked as duplicates?
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      methodName - calling method
      Throws:
      InvalidParameterException - one of the parameters is invalid
      UserNotAuthorizedException - the user is not authorized to issue this request
      PropertyServerException - there is a problem reported in the open metadata server(s)
    • getExternalReferenceByQualifiedName

      public B getExternalReferenceByQualifiedName(String userId, String qualifiedName, String qualifiedNameParameter, boolean forLineage, boolean forDuplicateProcessing, Date effectiveTime, String methodName) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Return information about a specific external reference.
      Parameters:
      userId - calling user
      qualifiedName - unique name for the external reference
      qualifiedNameParameter - name of parameter supplying the qualifiedName
      forLineage - return elements marked with the Memento classification?
      forDuplicateProcessing - do not merge elements marked as duplicates?
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      methodName - calling method
      Returns:
      properties of the external reference
      Throws:
      InvalidParameterException - qualifiedName or userId is null
      PropertyServerException - problem accessing property server
      UserNotAuthorizedException - security access problem
    • getExternalReferencesById

      public List<B> getExternalReferencesById(String userId, String referenceId, String referenceIdParameterName, int startFrom, int pageSize, boolean forLineage, boolean forDuplicateProcessing, Date effectiveTime, String methodName) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Retrieve the list of external reference metadata elements with a matching referenceId. There are no wildcards supported on this request.
      Parameters:
      userId - calling user
      referenceId - referenceId to search for
      referenceIdParameterName - parameter supplying referenceId
      startFrom - paging start point
      pageSize - maximum results that can be returned
      forLineage - return elements marked with the Memento classification?
      forDuplicateProcessing - do not merge elements marked as duplicates?
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      methodName - calling method
      Returns:
      list of matching metadata elements
      Throws:
      InvalidParameterException - one of the parameters is invalid
      UserNotAuthorizedException - the user is not authorized to issue this request
      PropertyServerException - there is a problem reported in the open metadata server(s)
    • getExternalReferencesByName

      public List<B> getExternalReferencesByName(String userId, String name, String nameParameterName, int startFrom, int pageSize, boolean forLineage, boolean forDuplicateProcessing, Date effectiveTime, String methodName) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Retrieve the list of external reference metadata elements with a matching name. There are no wildcards supported on this request.
      Parameters:
      userId - calling user
      name - name to search for
      nameParameterName - parameter supplying name
      startFrom - paging start point
      pageSize - maximum results that can be returned
      forLineage - return elements marked with the Memento classification?
      forDuplicateProcessing - do not merge elements marked as duplicates?
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      methodName - calling method
      Returns:
      list of matching metadata elements
      Throws:
      InvalidParameterException - one of the parameters is invalid
      UserNotAuthorizedException - the user is not authorized to issue this request
      PropertyServerException - there is a problem reported in the open metadata server(s)
    • getExternalReferencesByURL

      public List<B> getExternalReferencesByURL(String userId, String url, String urlParameterName, int startFrom, int pageSize, boolean forLineage, boolean forDuplicateProcessing, Date effectiveTime, String methodName) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Retrieve the list of external reference metadata elements with a matching url. There are no wildcards supported on this request.
      Parameters:
      userId - calling user
      url - url to search for
      urlParameterName - parameter supplying url
      startFrom - paging start point
      pageSize - maximum results that can be returned
      forLineage - return elements marked with the Memento classification?
      forDuplicateProcessing - do not merge elements marked as duplicates?
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      methodName - calling method
      Returns:
      list of matching metadata elements
      Throws:
      InvalidParameterException - one of the parameters is invalid
      UserNotAuthorizedException - the user is not authorized to issue this request
      PropertyServerException - there is a problem reported in the open metadata server(s)
    • getExternalReferences

      public List<B> getExternalReferences(String userId, int startingFrom, int pageSize, boolean forLineage, boolean forDuplicateProcessing, Date effectiveTime, String methodName) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Return information about the defined external references.
      Parameters:
      userId - calling user
      startingFrom - position in the list (used when there are so many reports that paging is needed
      pageSize - maximum number of elements to return an this call
      forLineage - return elements marked with the Memento classification?
      forDuplicateProcessing - do not merge elements marked as duplicates?
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      methodName - calling method
      Returns:
      properties of the external reference
      Throws:
      InvalidParameterException - qualifiedName or userId is null
      PropertyServerException - problem accessing property server
      UserNotAuthorizedException - security access problem
    • findExternalReferences

      public List<B> findExternalReferences(String userId, String searchString, String searchStringParameterName, int startFrom, int pageSize, boolean forLineage, boolean forDuplicateProcessing, Date effectiveTime, String methodName) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Retrieve the list of metadata elements that contain the search string. The search string is treated as a regular expression.
      Parameters:
      userId - calling user
      searchString - string to find in the properties
      searchStringParameterName - name of parameter supplying the search string
      startFrom - paging start point
      pageSize - maximum results that can be returned
      forLineage - return elements marked with the Memento classification?
      forDuplicateProcessing - do not merge elements marked as duplicates?
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      methodName - calling method
      Returns:
      list of matching metadata elements
      Throws:
      InvalidParameterException - one of the parameters is invalid
      UserNotAuthorizedException - the user is not authorized to issue this request
      PropertyServerException - there is a problem reported in the open metadata server(s)