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, RepositoryHandler repositoryHandler, DataEngineCommonHandler dataEngineCommonHandler, AssetHandler<FileFolder> folderHandler)`	Construct the handler information needed to interact with the repository services

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`removeFolder(String userId, String folderGUID, DeleteSemantic deleteSemantic, String externalSourceName)`	Remove the folder
`void`	`upsertFolderHierarchy(String fileGuid, 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 SoftwareServerCapability.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DataEngineFolderHierarchyHandler

public DataEngineFolderHierarchyHandler(InvalidParameterHandler invalidParameterHandler,
                                        RepositoryHandler repositoryHandler,
                                        DataEngineCommonHandler dataEngineCommonHandler,
                                        AssetHandler<FileFolder> folderHandler)

Construct the handler information needed to interact with the repository services

Parameters:: invalidParameterHandler - handler for managing parameter errors; repositoryHandler - manages calls to the repository services; dataEngineCommonHandler - provides common Data Engine Omas utilities; folderHandler - provides utilities specific for manipulating FileFolders

Method Detail

upsertFolderHierarchy

public void upsertFolderHierarchy(String fileGuid,
                                  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 SoftwareServerCapability. Care is taken to maintain uniqueness of the relationship NestedFile that is between the file and the first folder.

Parameters:: fileGuid - data file guid; 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.

Class DataEngineFolderHierarchyHandler