Package org.odpi.openmetadata.accessservices.dataengine.server.handlers

Class DataEngineFolderHierarchyHandler

java.lang.Object

org.odpi.openmetadata.accessservices.dataengine.server.handlers.DataEngineFolderHierarchyHandler

public class DataEngineFolderHierarchyHandler
extends Object

FolderHierarchyHandler manages FileFolder objects from the property server. It runs server-side in the DataEngine OMAS and creates FileFolder entities with wire relationships through the OMRSRepositoryConnector.

Constructor Summary

Constructors

Constructor	Description
DataEngineFolderHierarchyHandler(InvalidParameterHandler invalidParameterHandler, OpenMetadataAPIGenericHandler<Referenceable> genericHandler, DataEngineCommonHandler dataEngineCommonHandler, AssetHandler<FileFolder> folderHandler)	Construct the handler information needed to interact with the repository services

Method Summary

Modifier and Type	Method	Description
void	removeFolder(String userId, String folderGUID, DeleteSemantic deleteSemantic, String externalSourceName)	Remove the folder
void	upsertFolderHierarchy(String fileGuid, String fileType, String pathName, String externalSourceGuid, String externalSourceName, String userId, String methodName)	Construct the folder structure in which a data file is stored all the way to the Engine.

Methods inherited from class java.lang.Object

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

Constructor Details

DataEngineFolderHierarchyHandler

public DataEngineFolderHierarchyHandler(InvalidParameterHandler invalidParameterHandler,
 OpenMetadataAPIGenericHandler<Referenceable> genericHandler,
 DataEngineCommonHandler dataEngineCommonHandler,
 AssetHandler<FileFolder> folderHandler)

Construct the handler information needed to interact with the repository services

Parameters:

invalidParameterHandler - handler for managing parameter errors

genericHandler - manages calls to the repository services

dataEngineCommonHandler - provides common Data Engine Omas utilities

folderHandler - provides utilities specific for manipulating FileFolders

Method Details

upsertFolderHierarchy

public void upsertFolderHierarchy(String fileGuid,
 String fileType,
 String pathName,
 String externalSourceGuid,
 String externalSourceName,
 String userId,
 String methodName)
                           throws InvalidParameterException,
PropertyServerException,
UserNotAuthorizedException

Construct the folder structure in which a data file is stored all the way to the Engine. Care is taken to maintain uniqueness of the relationship NestedFile that is between the file and the first folder.

Parameters:

fileGuid - data file guid

fileType - data file type

pathName - file path

externalSourceGuid - external source guid

externalSourceName - external source name

userId - user id

methodName - method name

Throws:

InvalidParameterException - if invalid parameters

PropertyServerException - if errors in repository

UserNotAuthorizedException - if user not authorized

removeFolder

public void removeFolder(String userId,
 String folderGUID,
 DeleteSemantic deleteSemantic,
 String externalSourceName)
                  throws InvalidParameterException,
PropertyServerException,
UserNotAuthorizedException,
FunctionNotSupportedException

Remove the folder

Parameters:

userId - the name of the calling user

folderGUID - unique identifier of the folder to be removed

externalSourceName - the external data engine name

deleteSemantic - the delete semantic

Throws:

InvalidParameterException - the bean properties are invalid

UserNotAuthorizedException - user not authorized to issue this request

PropertyServerException - problem accessing the property server

FunctionNotSupportedException - the repository does not support this call.