org.odpi.openmetadata.accessservices.subjectarea.handlers

Class SubjectAreaRelationshipHandler

java.lang.Object

org.odpi.openmetadata.accessservices.subjectarea.handlers.SubjectAreaHandler

org.odpi.openmetadata.accessservices.subjectarea.handlers.SubjectAreaRelationshipHandler

public class SubjectAreaRelationshipHandler
extends SubjectAreaHandler

TheSubjectAreaTermRESTServices provides the server-side implementation of the SubjectArea Open Metadata Access Service (OMAS) for Terms. This interface provides relationship authoring interfaces for subject area experts.

Field Summary

Fields inherited from class org.odpi.openmetadata.accessservices.subjectarea.handlers.SubjectAreaHandler

CATEGORY_ANCHOR_RELATIONSHIP_NAME, CATEGORY_HIERARCHY_LINK_RELATIONSHIP_NAME, CATEGORY_TYPE_NAME, GLOSSARY_TYPE_NAME, invalidParameterHandler, mappersFactory, maxPageSize, oMRSAPIHelper, PROJECT_SCOPE_RELATIONSHIP_NAME, PROJECT_TYPE_NAME, TERM_ANCHOR_RELATIONSHIP_NAME, TERM_CATEGORIZATION_RELATIONSHIP_NAME, TERM_TYPE_NAME

Constructor Summary

Constructors

Constructor and Description
SubjectAreaRelationshipHandler(OMRSAPIHelper oMRSAPIHelper, int maxPageSize) Construct the Subject Area Relationship Handler needed to operate within a single server instance.

Method Summary

Modifier and Type	Method and Description
<R extends Relationship> SubjectAreaOMASAPIResponse<R>	createRelationship(String restAPIName, String userId, Class<? extends IRelationshipMapper<R>> clazz, R relationship) Create a relationship, which is a link between two Nodes.
<R extends Relationship> SubjectAreaOMASAPIResponse<R>	deleteRelationship(String restAPIName, String userId, Class<? extends IRelationshipMapper<R>> clazz, String guid, Boolean isPurge) Delete a relationship
<R extends Relationship> SubjectAreaOMASAPIResponse<R>	getRelationship(String restAPIName, String userId, Class<? extends IRelationshipMapper<R>> clazz, String guid) Get a relationship (relationship)
<R extends Relationship> SubjectAreaOMASAPIResponse<R>	restoreRelationship(String restAPIName, String userId, Class<? extends IRelationshipMapper<R>> clazz, String guid) Restore a relationship.
<R extends Relationship> SubjectAreaOMASAPIResponse<R>	updateRelationship(String restAPIName, String userId, String relationshipGuid, Class<? extends IRelationshipMapper<R>> clazz, R relationship, Boolean isReplace) Update a relationship.

Methods inherited from class org.odpi.openmetadata.accessservices.subjectarea.handlers.SubjectAreaHandler

categoryMatchSearchCriteria, checkReadOnly, checkRelationshipReadOnly, convertOmrsToOmas, findEntities, getAllRelationshipForEntity, getAllRelationshipsForEntity, getMaxPageSize, getNodesFromEntityDetails, getRelatedNodesForEnd1, getRelatedNodesForEnd2, getRelationshipsFromRelationships, setUniqueQualifiedNameIfBlank, termMatchSearchCriteria, validateGlossarySummaryDuringCreation

Methods inherited from class java.lang.Object

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

Constructor Detail

SubjectAreaRelationshipHandler

public SubjectAreaRelationshipHandler(OMRSAPIHelper oMRSAPIHelper,
                                      int maxPageSize)

Construct the Subject Area Relationship Handler needed to operate within a single server instance.

Parameters:

oMRSAPIHelper - omrs API helper

maxPageSize - maximum page size

Method Detail

createRelationship

public <R extends Relationship> SubjectAreaOMASAPIResponse<R> createRelationship(String restAPIName,
                                                                                 String userId,
                                                                                 Class<? extends IRelationshipMapper<R>> clazz,
                                                                                 R relationship)

Create a relationship, which is a link between two Nodes.

Type Parameters:

R - Relationship type of object for response

Parameters:

restAPIName - rest API name

userId - userId under which the request is performed

clazz - mapper Class

relationship - relationship to create

Returns:

response, when successful contains the created relationship when not successful the following Exception responses can occur

• UserNotAuthorizedException the requesting user is not authorized to issue this request.
• MetadataServerUncontactableException not able to communicate with a Metadata respository service.
• InvalidParameterException one of the parameters is null or invalid.
• UnrecognizedGUIDException the supplied guid was not recognised
• ClassificationException Error processing a classification.
• StatusNotSupportedException A status value is not supported.
• FunctionNotSupportedException Function is not supported.

getRelationship

public <R extends Relationship> SubjectAreaOMASAPIResponse<R> getRelationship(String restAPIName,
                                                                              String userId,
                                                                              Class<? extends IRelationshipMapper<R>> clazz,
                                                                              String guid)

Get a relationship (relationship)

Type Parameters:

R - Relationship type of object for response

Parameters:

restAPIName - rest API name

userId - unique identifier for requesting user, under which the request is performed

clazz - mapper Class

guid - guid of the relationship to get

Returns:

response which when successful contains the relationship with the requested guid when not successful the following Exception responses can occur

• UserNotAuthorizedException the requesting user is not authorized to issue this request.
• MetadataServerUncontactableException not able to communicate with a Metadata respository service.
• InvalidParameterException one of the parameters is null or invalid.
• UnrecognizedGUIDException the supplied guid was not recognised

updateRelationship

public <R extends Relationship> SubjectAreaOMASAPIResponse<R> updateRelationship(String restAPIName,
                                                                                 String userId,
                                                                                 String relationshipGuid,
                                                                                 Class<? extends IRelationshipMapper<R>> clazz,
                                                                                 R relationship,
                                                                                 Boolean isReplace)

Update a relationship.

Type Parameters:

R - Relationship type of object for response

Parameters:

restAPIName - rest API name

userId - userId under which the request is performed

relationshipGuid - unique identifier of the relationship

clazz - mapper Class

relationship - the relationship to update

isReplace - flag to indicate that this update is a replace. When not set only the supplied (non null) fields are updated.

Returns:

response, when successful contains the updated relationship when not successful the following Exception responses can occur

• UserNotAuthorizedException the requesting user is not authorized to issue this request.
• MetadataServerUncontactableException not able to communicate with a Metadata respository service.
• InvalidParameterException one of the parameters is null or invalid.
• UnrecognizedGUIDException the supplied guid was not recognised
• ClassificationException Error processing a classification.
• StatusNotSupportedException A status value is not supported.
• FunctionNotSupportedException Function not supported.

deleteRelationship

public <R extends Relationship> SubjectAreaOMASAPIResponse<R> deleteRelationship(String restAPIName,
                                                                                 String userId,
                                                                                 Class<? extends IRelationshipMapper<R>> clazz,
                                                                                 String guid,
                                                                                 Boolean isPurge)

Delete a relationship

Type Parameters:

R - Relationship type of object for response

Parameters:

restAPIName - rest API name

userId - unique identifier for requesting user, under which the request is performed

clazz - mapper Class

guid - guid of the HAS A relationship to delete

isPurge - true indicates a hard delete, false is a soft delete.

Returns:

response for a soft delete, the response contains the deleted relationship when not successful the following Exception responses can occur

• UnrecognizedGUIDException the supplied guid was not recognised
• UserNotAuthorizedException the requesting user is not authorized to issue this request.
• FunctionNotSupportedException Function not supported.
• InvalidParameterException one of the parameters is null or invalid.
• MetadataServerUncontactableException not able to communicate with a Metadata respository service. There is a problem retrieving properties from the metadata repository.
• EntityNotDeletedException a soft delete was issued but the relationship was not deleted.
• EntityNotPurgedException a hard delete was issued but the relationship was not purged

restoreRelationship

public <R extends Relationship> SubjectAreaOMASAPIResponse<R> restoreRelationship(String restAPIName,
                                                                                  String userId,
                                                                                  Class<? extends IRelationshipMapper<R>> clazz,
                                                                                  String guid)

Restore a relationship.

Restore allows the deleted relationship to be made active again. Restore allows deletes to be undone. Hard deletes are not stored in the repository so cannot be restored.

Type Parameters:

R - Relationship type of object for response

Parameters:

restAPIName - rest API name

userId - unique identifier for requesting user, under which the request is performed

clazz - mapper Class

guid - guid of the relationship to restore

Returns:

response which when successful contains the restored relationship when not successful the following Exception responses can occur

• UnrecognizedGUIDException the supplied guid was not recognised
• UserNotAuthorizedException the requesting user is not authorized to issue this request.
• FunctionNotSupportedException Function not supported.
• InvalidParameterException one of the parameters is null or invalid.
• MetadataServerUncontactableException not able to communicate with a Metadata respository service. There is a problem retrieving properties from the metadata repository.
• EntityNotDeletedException a soft delete was issued but the relationship was not deleted.
• EntityNotPurgedException a hard delete was issued but the relationship was not purged