Package org.odpi.openmetadata.integrationservices.catalog.connector

Class OpenMetadataExchangeService

java.lang.Object
org.odpi.openmetadata.integrationservices.catalog.connector.OpenMetadataExchangeService
public class OpenMetadataExchangeService extends Object
OpenMetadataExchangeService provides a native open metadata interface. It is possible to find and maintain any type of metadata through this interface. However, it is recommended to only use this interface when the other, more specialized interfaces do not meet your needs.

  • Method Details

    • isAssetManagerHome

      public boolean isAssetManagerHome()
      Return whether any metadata elements, classifications and relationships created though this interface will be members of the local cohort or members of an external metadata collection.
      Returns:
      boolean flag

    • setAssetManagerIsHome

      public void setAssetManagerIsHome(boolean assetManagerIsHome)
      Set up whether any metadata elements, classifications and relationships created though this interface will be members of the local cohort or members of an external metadata collection.
      Parameters:
      assetManagerIsHome - boolean flag

    • isForLineage

      public boolean isForLineage()
      Return whether retrieval requests from this service are to include elements with the Memento classification attached or not.
      Returns:
      boolean flag

    • setForLineage

      public void setForLineage(boolean forLineage)
      Set up whether retrieval requests from this service are to include elements with the Memento classification attached or not.
      Parameters:
      forLineage - boolean flag

    • isForDuplicateProcessing

      public boolean isForDuplicateProcessing()
      Return whether retrieval requests from this service are to avoid merging duplicates or not.
      Returns:
      boolean flag

    • setForDuplicateProcessing

      public void setForDuplicateProcessing(boolean forDuplicateProcessing)
      Set up whether retrieval requests from this service are to avoid merging duplicates or not.
      Parameters:
      forDuplicateProcessing - boolean flag

    • getMetadataElementByGUID

      public OpenMetadataElement getMetadataElementByGUID(String elementGUID, Date effectiveTime) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Retrieve the metadata element using its unique identifier.
      Parameters:
      elementGUID - unique identifier for the metadata element
      effectiveTime - only return the element if it is effective at this time. Null means anytime. Use "new Date()" for now.
      Returns:
      metadata element properties
      Throws:
      InvalidParameterException - the unique identifier is null or not known.
      UserNotAuthorizedException - the governance action service is not able to access the element
      PropertyServerException - there is a problem accessing the metadata store

    • getMetadataElementByUniqueName

      public OpenMetadataElement getMetadataElementByUniqueName(String uniqueName, String uniquePropertyName, Date effectiveTime) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Retrieve the metadata element using its unique name (typically the qualified name).
      Parameters:
      uniqueName - unique name for the metadata element
      uniquePropertyName - name of property name to test in the open metadata element - if null "qualifiedName" is used
      effectiveTime - only return the element if it is effective at this time. Null means anytime. Use "new Date()" for now.
      Returns:
      metadata element properties or null if not found
      Throws:
      InvalidParameterException - the unique identifier is null.
      UserNotAuthorizedException - the governance action service is not able to access the element
      PropertyServerException - there is a problem accessing the metadata store

    • getMetadataElementGUIDByUniqueName

      public String getMetadataElementGUIDByUniqueName(String uniqueName, String uniquePropertyName, Date effectiveTime) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Retrieve the unique identifier of a metadata element using its unique name (typically the qualified name).
      Parameters:
      uniqueName - unique name for the metadata element
      uniquePropertyName - name of property name to test in the open metadata element - if null "qualifiedName" is used
      effectiveTime - only return the element if it is effective at this time. Null means anytime. Use "new Date()" for now.
      Returns:
      metadata element unique identifier (guid)
      Throws:
      InvalidParameterException - the unique identifier is null or not known.
      UserNotAuthorizedException - the governance action service is not able to access the element
      PropertyServerException - there is a problem accessing the metadata store

    • findMetadataElementsWithString

      public List<OpenMetadataElement> findMetadataElementsWithString(String searchString, Date effectiveTime, int startFrom, int pageSize) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Retrieve the metadata elements that contain the requested string.
      Parameters:
      searchString - name to retrieve
      effectiveTime - only return an element if it is effective at this time. Null means anytime. Use "new Date()" for now.
      startFrom - paging start point
      pageSize - maximum results that can be returned
      Returns:
      list of matching metadata elements (or null if no elements match the name)
      Throws:
      InvalidParameterException - the qualified name is null
      UserNotAuthorizedException - the governance action service is not able to access the element
      PropertyServerException - there is a problem accessing the metadata store

    • getRelatedMetadataElements

      public List<RelatedMetadataElement> getRelatedMetadataElements(String elementGUID, int startingAtEnd, String relationshipTypeName, Date effectiveTime, int startFrom, int pageSize) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Retrieve the metadata elements connected to the supplied element.
      Parameters:
      elementGUID - unique identifier for the starting metadata element
      startingAtEnd - indicates which end to retrieve from (0 is "either end"; 1 is end1; 2 is end 2)
      relationshipTypeName - type name of relationships to follow (or null for all)
      effectiveTime - only return an element if it is effective at this time. Null means anytime. Use "new Date()" for now.
      startFrom - paging start point
      pageSize - maximum results that can be returned
      Returns:
      list of related elements
      Throws:
      InvalidParameterException - the unique identifier is null or not known; the relationship type is invalid
      UserNotAuthorizedException - the governance action service is not able to access the elements
      PropertyServerException - there is a problem accessing the metadata store

    • findMetadataElements

      public List<OpenMetadataElement> findMetadataElements(String metadataElementTypeName, List<String> metadataElementSubtypeName, SearchProperties searchProperties, List<ElementStatus> limitResultsByStatus, SearchClassifications matchClassifications, String sequencingProperty, SequencingOrder sequencingOrder, Date effectiveTime, int startFrom, int pageSize) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Return a list of metadata elements that match the supplied criteria. The results can be returned over many pages.
      Parameters:
      metadataElementTypeName - type of interest (null means any element type)
      metadataElementSubtypeName - optional list of the subtypes of the metadataElementTypeName to include in the search results. Null means all subtypes.
      searchProperties - Optional list of entity property conditions to match.
      limitResultsByStatus - By default, entities in all statuses (other than DELETE) are returned. However, it is possible to specify a list of statuses (eg ACTIVE) to restrict the results to. Null means all status values.
      matchClassifications - Optional list of classifications to match.
      sequencingProperty - String name of the property that is to be used to sequence the results. Null means do not sequence on a property name (see SequencingOrder).
      sequencingOrder - Enum defining how the results should be ordered.
      effectiveTime - only return the element if it is effective at this time. Null means anytime. Use "new Date()" for now.
      startFrom - paging start point
      pageSize - maximum results that can be returned
      Returns:
      a list of elements matching the supplied criteria; null means no matching elements in the metadata store.
      Throws:
      InvalidParameterException - one of the search parameters are is invalid
      UserNotAuthorizedException - the governance action service is not able to access the elements
      PropertyServerException - there is a problem accessing the metadata store

    • findRelationshipsBetweenMetadataElements

      public List<RelatedMetadataElements> findRelationshipsBetweenMetadataElements(String relationshipTypeName, SearchProperties searchProperties, String sequencingProperty, SequencingOrder sequencingOrder, Date effectiveTime, int startFrom, int pageSize) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Return a list of relationships that match the requested conditions. The results can be received as a series of pages.
      Parameters:
      relationshipTypeName - relationship's type. Null means all types (but may be slow so not recommended).
      searchProperties - Optional list of relationship property conditions to match.
      sequencingProperty - String name of the property that is to be used to sequence the results. Null means do not sequence on a property name (see SequencingOrder).
      sequencingOrder - Enum defining how the results should be ordered.
      effectiveTime - only return an element if it is effective at this time. Null means anytime. Use "new Date()" for now.
      startFrom - paging start point
      pageSize - maximum results that can be returned
      Returns:
      a list of relationships. Null means no matching relationships.
      Throws:
      InvalidParameterException - one of the search parameters are is invalid
      UserNotAuthorizedException - the governance action service is not able to access the elements
      PropertyServerException - there is a problem accessing the metadata store

    • createMetadataElementInStore

      public String createMetadataElementInStore(String metadataElementTypeName, ElementStatus initialStatus, Date effectiveFrom, Date effectiveTo, ElementProperties properties, String templateGUID) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Create a new metadata element in the metadata store. The type name comes from the open metadata types. The selected type also controls the names and types of the properties that are allowed. This version of the method allows access to advanced features such as multiple states and effectivity dates.
      Parameters:
      metadataElementTypeName - type name of the new metadata element
      initialStatus - initial status of the metadata element
      effectiveFrom - the date when this element is active - null for active on creation
      effectiveTo - the date when this element becomes inactive - null for active until deleted
      properties - properties of the new metadata element
      templateGUID - the unique identifier of the existing asset to copy (this will copy all the attachments such as nested content, schema connection etc)
      Returns:
      unique identifier of the new metadata element
      Throws:
      InvalidParameterException - the type name, status or one of the properties is invalid
      UserNotAuthorizedException - the governance action service is not authorized to create this type of element
      PropertyServerException - there is a problem with the metadata store

    • updateMetadataElementInStore

      public void updateMetadataElementInStore(String metadataElementGUID, boolean replaceProperties, ElementProperties properties, Date effectiveTime) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Update the properties of a specific metadata element. The properties must match the type definition associated with the metadata element when it was created. However, it is possible to update a few properties, or replace all them by the value used in the replaceProperties flag.
      Parameters:
      metadataElementGUID - unique identifier of the metadata element to update
      replaceProperties - flag to indicate whether to completely replace the existing properties with the new properties, or just update the individual properties specified on the request.
      properties - new properties for the metadata element
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      Throws:
      InvalidParameterException - either the unique identifier or the properties are invalid in some way
      UserNotAuthorizedException - the governance action service is not authorized to update this element
      PropertyServerException - there is a problem with the metadata store

    • updateMetadataElementStatusInStore

      public void updateMetadataElementStatusInStore(String metadataElementGUID, ElementStatus newElementStatus, Date effectiveTime) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Update the status of specific metadata element. The new status must match a status value that is defined for the element's type assigned when it was created. The effectivity dates control the visibility of the element through specific APIs.
      Parameters:
      metadataElementGUID - unique identifier of the metadata element to update
      newElementStatus - new status value - or null to leave as is
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      Throws:
      InvalidParameterException - either the unique identifier or the status are invalid in some way
      UserNotAuthorizedException - the governance action service is not authorized to update this element
      PropertyServerException - there is a problem with the metadata store

    • updateMetadataElementEffectivityInStore

      public void updateMetadataElementEffectivityInStore(String metadataElementGUID, Date effectiveFrom, Date effectiveTo, Date effectiveTime) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Update the status of specific metadata element. The new status must match a status value that is defined for the element's type assigned when it was created. The effectivity dates control the visibility of the element through specific APIs.
      Parameters:
      metadataElementGUID - unique identifier of the metadata element to update
      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
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      Throws:
      InvalidParameterException - either the unique identifier or the status are invalid in some way
      UserNotAuthorizedException - the governance action service is not authorized to update this element
      PropertyServerException - there is a problem with the metadata store

    • deleteMetadataElementInStore

      public void deleteMetadataElementInStore(String metadataElementGUID, Date effectiveTime) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Delete a specific metadata element.
      Parameters:
      metadataElementGUID - unique identifier of the metadata element to update
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      Throws:
      InvalidParameterException - the unique identifier is null or invalid in some way
      UserNotAuthorizedException - the governance action service is not authorized to delete this element
      PropertyServerException - there is a problem with the metadata store

    • classifyMetadataElementInStore

      public void classifyMetadataElementInStore(String metadataElementGUID, String classificationName, Date effectiveFrom, Date effectiveTo, ElementProperties properties, Date effectiveTime) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Add a new classification to the metadata element. Note that only one classification with the same name can be attached to a metadata element.
      Parameters:
      metadataElementGUID - unique identifier of the metadata element to update
      classificationName - name of the classification to add (if the classification is already present then use reclassify)
      effectiveFrom - the date when this classification is active - null for active now
      effectiveTo - the date when this classification becomes inactive - null for active until deleted
      properties - properties to store in the new classification. These must conform to the valid properties associated with the classification name
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      Throws:
      InvalidParameterException - the unique identifier or classification name is null or invalid in some way; properties do not match the valid properties associated with the classification's type definition
      UserNotAuthorizedException - the governance action service is not authorized to update this element
      PropertyServerException - there is a problem with the metadata store

    • reclassifyMetadataElementInStore

      public void reclassifyMetadataElementInStore(String metadataElementGUID, String classificationName, boolean replaceProperties, ElementProperties properties, Date effectiveTime) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Update the properties of a classification that is currently attached to a specific metadata element.
      Parameters:
      metadataElementGUID - unique identifier of the metadata element to update
      classificationName - unique name of the classification to update
      replaceProperties - flag to indicate whether to completely replace the existing properties with the new properties, or just update the individual properties specified on the request.
      properties - new properties for the classification
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      Throws:
      InvalidParameterException - the unique identifier or classification name is null or invalid in some way; properties do not match the valid properties associated with the classification's type definition
      UserNotAuthorizedException - the governance action service is not authorized to update this element/classification
      PropertyServerException - there is a problem with the metadata store

    • updateClassificationEffectivityInStore

      public void updateClassificationEffectivityInStore(String metadataElementGUID, String classificationName, Date effectiveFrom, Date effectiveTo, Date effectiveTime) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Update the effectivity dates of a specific classification attached to a metadata element. The effectivity dates control the visibility of the classification through specific APIs.
      Parameters:
      metadataElementGUID - unique identifier of the metadata element to update
      classificationName - unique name of the classification to update
      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
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      Throws:
      InvalidParameterException - either the unique identifier or the status are invalid in some way
      UserNotAuthorizedException - the governance action service is not authorized to update this element
      PropertyServerException - there is a problem with the metadata store

    • unclassifyMetadataElementInStore

      public void unclassifyMetadataElementInStore(String metadataElementGUID, String classificationName, Date effectiveTime) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Remove the named classification from a specific metadata element.
      Parameters:
      metadataElementGUID - unique identifier of the metadata element to update
      classificationName - unique name of the classification to remove
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      Throws:
      InvalidParameterException - the unique identifier or classification name is null or invalid in some way
      UserNotAuthorizedException - the governance action service is not authorized to remove this classification
      PropertyServerException - there is a problem with the metadata store

    • createRelatedElementsInStore

      public String createRelatedElementsInStore(String relationshipTypeName, String metadataElement1GUID, String metadataElement2GUID, Date effectiveFrom, Date effectiveTo, ElementProperties properties, Date effectiveTime) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Create a relationship between two metadata elements. It is important to put the right element at each end of the relationship according to the type definition since this will affect how the relationship is interpreted.
      Parameters:
      relationshipTypeName - name of the type of relationship to create. This will determine the types of metadata elements that can be related and the properties that can be associated with this relationship.
      metadataElement1GUID - unique identifier of the metadata element at end 1 of the relationship
      metadataElement2GUID - unique identifier of the metadata element at end 2 of the relationship
      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
      properties - the properties of the relationship
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      Returns:
      unique identifier of the new relationship
      Throws:
      InvalidParameterException - the unique identifier's of the metadata elements are null or invalid in some way; the properties are not valid for this type of relationship
      UserNotAuthorizedException - the governance action service is not authorized to create this type of relationship
      PropertyServerException - there is a problem with the metadata store

    • updateRelatedElementsInStore

      public void updateRelatedElementsInStore(String relationshipGUID, boolean replaceProperties, ElementProperties properties, Date effectiveTime) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Update the properties associated with a relationship.
      Parameters:
      relationshipGUID - unique identifier of the relationship to update
      replaceProperties - flag to indicate whether to completely replace the existing properties with the new properties, or just update the individual properties specified on the request.
      properties - new properties for the relationship
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      Throws:
      InvalidParameterException - the unique identifier of the relationship is null or invalid in some way; the properties are not valid for this type of relationship
      UserNotAuthorizedException - the governance action service is not authorized to update this relationship
      PropertyServerException - there is a problem with the metadata store

    • updateRelatedElementsEffectivityInStore

      public void updateRelatedElementsEffectivityInStore(String relationshipGUID, Date effectiveFrom, Date effectiveTo, Date effectiveTime) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Update the effectivity dates of a specific relationship between metadata elements. The effectivity dates control the visibility of the classification through specific APIs.
      Parameters:
      relationshipGUID - unique identifier of the relationship to update
      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
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      Throws:
      InvalidParameterException - either the unique identifier or the status are invalid in some way
      UserNotAuthorizedException - the governance action service is not authorized to update this element
      PropertyServerException - there is a problem with the metadata store

    • deleteRelatedElementsInStore

      public void deleteRelatedElementsInStore(String relationshipGUID, Date effectiveTime) throws InvalidParameterException, UserNotAuthorizedException, PropertyServerException
      Delete a relationship between two metadata elements.
      Parameters:
      relationshipGUID - unique identifier of the relationship to delete
      effectiveTime - the time that the retrieved elements must be effective for (null for any time, new Date() for now)
      Throws:
      InvalidParameterException - the unique identifier of the relationship is null or invalid in some way
      UserNotAuthorizedException - the governance action service is not authorized to delete this relationship
      PropertyServerException - there is a problem with the metadata store