FilesAndFoldersHandler (Generic Handler Services 2.4 API)

java.lang.Object
- org.odpi.openmetadata.commonservices.generichandlers.FilesAndFoldersHandler<FILESYSTEM,FOLDER,FILE>

```
public class FilesAndFoldersHandler<FILESYSTEM,FOLDER,FILE>
extends Object
```
FilesAndFoldersHandler provides the support for managing catalog entries about files and folders.

Constructor Summary

Constructors
Constructor and Description
FilesAndFoldersHandler(OpenMetadataAPIGenericConverter<FILESYSTEM> fileSystemConverter, Class<FILESYSTEM> fileSystemBeanClass, OpenMetadataAPIGenericConverter<FOLDER> folderConverter, Class<FOLDER> folderBeanClass, OpenMetadataAPIGenericConverter<FILE> fileConverter, Class<FILE> fileBeanClass, 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

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`List<String>`	`addAvroFileToCatalog(String userId, String externalSourceGUID, String externalSourceName, String fileSystemGUID, String fileSystemName, String displayName, String description, String fullPath, String methodName)` Add a simple asset description linked to a connection object for an Avro file.
`List<String>`	`addCSVFileToCatalog(String userId, String externalSourceGUID, String externalSourceName, String fileSystemGUID, String fileSystemName, String displayName, String description, String fullPath, List<String> columnHeaders, Character delimiterCharacter, Character quoteCharacter, String methodName)` Add a simple asset description linked to a connection object for a CSV file.
`List<String>`	`addDataFileAssetToCatalog(String userId, String externalSourceGUID, String externalSourceName, String fileSystemGUID, String fileSystemName, String displayName, String description, String pathName, String methodName)` Creates a new file asset and links it to the folder structure implied in the path name.
`List<String>`	`addDataFolderAssetToCatalog(String userId, String externalSourceGUID, String externalSourceName, String fileSystemGUID, String fileSystemName, String displayName, String description, String pathName, String methodName)` Creates a new folder asset that is identified as a data asset.
`List<String>`	`addFileToCatalog(String userId, String externalSourceGUID, String externalSourceName, String fileSystemGUID, String fileSystemName, String fullPath, String displayName, String description, Map<String,String> additionalProperties, String connectorClassName, String typeName, Map<String,Object> extendedProperties, String methodName)` Add a simple asset description linked to a connection object for a file.
`void`	`attachDataFileAssetToFolder(String userId, String externalSourceGUID, String externalSourceName, String folderGUID, String folderGUIDParameterName, String fileGUID, String fileGUIDParameterName, String methodName)` Link an existing file asset to a folder.
`void`	`attachFolderToFileSystem(String userId, String externalSourceGUID, String externalSourceName, String fileSystemGUID, String fileSystemGUIDParameterName, String folderGUID, String folderGUIDParameterName, String methodName)` Links a folder to a file system.
`String`	`createFileSystem(String userId, String externalSourceGUID, String externalSourceName, String uniqueName, String displayName, String description, String type, String version, String patchLevel, String source, String format, String encryption, Map<String,String> additionalProperties, Map<String,String> vendorProperties, String methodName)` Files live on a file system.
`List<String>`	`createFolderStructureInCatalog(String userId, String externalSourceGUID, String externalSourceName, String connectToGUID, String pathName, String methodName)` Creates a new folder asset for each element in the pathName that is linked from the anchor entity.
`List<String>`	`createFolderStructureInCatalog(String userId, String externalSourceGUID, String externalSourceName, String fileSystemGUID, String fileSystemName, String pathName, String methodName)` Creates a new folder asset for each element in the pathName.
`void`	`detachDataFileAssetFromFolder(String userId, String externalSourceGUID, String externalSourceName, String folderGUID, String folderGUIDParameterName, String fileGUID, String fileGUIDParameterName, String methodName)` Remove a link between a file asset and a folder.
`void`	`detachFolderFromFileSystem(String userId, String externalSourceGUID, String externalSourceName, String fileSystemGUID, String fileSystemGUIDParameterName, String folderGUID, String folderGUIDParameterName, String methodName)` Removed the link between a folder and a file system.
`List<FILE>`	`findDataFileByPathName(String userId, String pathName, String pathNameParameterName, int startingFrom, int pageSize, String methodName)` Retrieve a data file by its fully qualified path name.
`List<FILE>`	`findDataFilesByName(String userId, String name, String nameParameterName, int startingFrom, int pageSize, String methodName)` Retrieve data files by the supplied wildcard name.
`List<FOLDER>`	`findFolderByName(String userId, String name, String methodName)` Retrieve folder by the supplied wildcard name.
`List<FOLDER>`	`findFolderByPathName(String userId, String pathName, String methodName)` Retrieve a folder by its fully qualified path name.
`FILE`	`getDataFileByGUID(String userId, String dataFileGUID, String dataFileGUIDParameterName, String methodName)` Retrieve a Folder asset by its unique identifier (GUID).
`FILE`	`getDataFileByPathName(String userId, String pathName, String pathNameParameterName, String methodName)` Retrieve a data file by its fully qualified path name.
`FILESYSTEM`	`getFileSystemByGUID(String userId, String softwareServerCapabilityGUID, String guidParameterName, String methodName)` Retrieve a filesystem by its unique identifier (GUID).
`FILESYSTEM`	`getFileSystemByUniqueName(String userId, String uniqueName, String parameterName, String methodName)` Retrieve a filesystem by its unique name.
`List<String>`	`getFileSystems(String userId, int startingFrom, int pageSize, String methodName)` Retrieve a list of unique identifiers for defined filesystems.
`FOLDER`	`getFolderByGUID(String userId, String folderGUID, String methodName)` Retrieve a Folder asset by its unique identifier (GUID).
`FOLDER`	`getFolderByPathName(String userId, String pathName, String methodName)` Retrieve a folder by its fully qualified path name.
`List<String>`	`getFolderFiles(String userId, String folderGUID, String folderGUIDParameterName, int startingFrom, int pageSize, String methodName)` Get the files inside a folder - both those that are nested and those that are linked.
`String`	`getFolderGUIDByPathName(String userId, String pathName, String methodName)` Retrieve return the unique identifier of a folder located by its fully qualified path name.
`List<String>`	`getNestedFolders(String userId, String parentFolderGUID, String parentFolderParameterName, int startingFrom, int pageSize, String methodName)` Return the list of folders nested inside a folder.
`void`	`moveDataFileInCatalog(String userId, String externalSourceGUID, String externalSourceName, String newParentFolder, String newParentFolderGUIDParameterName, String fileGUID, String fileGUIDParameterName, String methodName)` Move a file from its current parent folder to a new parent folder - this changes the file's qualified name but not its unique identifier (guid).
`void`	`moveDataFolderInCatalog(String userId, String externalSourceGUID, String externalSourceName, String newParentFolderGUID, String newParentFolderGUIDParameterName, String movingFolderGUID, String movingFolderGUIDParameterName, String methodName)` Move a file from its current parent folder to a new parent folder - this changes the file's qualified name but not its unique identifier (guid).

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

Constructor Detail

FilesAndFoldersHandler

public FilesAndFoldersHandler(OpenMetadataAPIGenericConverter<FILESYSTEM> fileSystemConverter,
                              Class<FILESYSTEM> fileSystemBeanClass,
                              OpenMetadataAPIGenericConverter<FOLDER> folderConverter,
                              Class<FOLDER> folderBeanClass,
                              OpenMetadataAPIGenericConverter<FILE> fileConverter,
                              Class<FILE> fileBeanClass,
                              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:: fileSystemConverter - specific converter for the FILESYSTEM bean class; fileSystemBeanClass - name of bean class that is represented by the generic class FILESYSTEM; folderConverter - specific converter for the FOLDER bean class; folderBeanClass - name of bean class that is represented by the generic class FOLDER; fileConverter - specific converter for the FILE bean class; fileBeanClass - name of bean class that is represented by the generic class FILE; 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 Detail

createFileSystem

public String createFileSystem(String userId,
                               String externalSourceGUID,
                               String externalSourceName,
                               String uniqueName,
                               String displayName,
                               String description,
                               String type,
                               String version,
                               String patchLevel,
                               String source,
                               String format,
                               String encryption,
                               Map<String,String> additionalProperties,
                               Map<String,String> vendorProperties,
                               String methodName)
                        throws InvalidParameterException,
                               UserNotAuthorizedException,
                               PropertyServerException

Files live on a file system. This method creates a top level anchor for a file system. It has its own method because ot the extra properties in the FileSystem classification

Parameters:: userId - calling user; externalSourceGUID - guid of the software server capability entity that represented the external source - null for local; externalSourceName - name of the software server capability entity that represented the external source; uniqueName - qualified name for the file system; displayName - short display name; description - description of the file system; type - type of file system; version - version of file system; patchLevel - patchLevel of software supporting the file system; source - supplier of the software for this file system; format - format of files on this file system; encryption - encryption type - null for unencrypted; additionalProperties - additional properties; vendorProperties - properties about the vendor and/or their product; methodName - calling method
Returns:: unique identifier for the file system
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

createFolderStructureInCatalog

public List<String> createFolderStructureInCatalog(String userId,
                                                   String externalSourceGUID,
                                                   String externalSourceName,
                                                   String connectToGUID,
                                                   String pathName,
                                                   String methodName)
                                            throws InvalidParameterException,
                                                   UserNotAuthorizedException,
                                                   PropertyServerException

Creates a new folder asset for each element in the pathName that is linked from the anchor entity. For example, a pathName of "one/two/three" creates 3 new folder assets, one called "one", the next called "one/two" and the last one called "one/two/three".

Parameters:: userId - calling user; externalSourceGUID - guid of the software server capability entity that represented the external source - null for local; externalSourceName - name of the software server capability entity that represented the external source; connectToGUID - root object to connect the folder to; pathName - pathname of the folder (or folders); methodName - calling method
Returns:: list of GUIDs from the top level to the leaf of the supplied pathname
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

createFolderStructureInCatalog
```
public List<String> createFolderStructureInCatalog(String userId,
                                                   String externalSourceGUID,
                                                   String externalSourceName,
                                                   String fileSystemGUID,
                                                   String fileSystemName,
                                                   String pathName,
                                                   String methodName)
                                            throws InvalidParameterException,
                                                   UserNotAuthorizedException,
                                                   PropertyServerException
```
Creates a new folder asset for each element in the pathName. For example, a pathName of "one/two/three" creates 3 new folder assets, one called "one", the next called "one/two" and the last one called "one/two/three". The software server capability that the folders are connected to is derived (and if necessary, created) from the extracted file system name.

Parameters:

userId - calling user

externalSourceGUID - guid of the software server capability entity that represented the external source - null for local

externalSourceName - name of the software server capability entity that represented the external source

fileSystemGUID - unique identifier of the software server capability that represents the root of the path name - null to use pathname

fileSystemName - unique name of the software server capability that represents the root of the path name - null to use pathname

pathName - pathname of the folder (or folders)

methodName - calling method

Returns:

list of GUIDs from the top level to the leaf of the supplied pathname

Throws:

InvalidParameterException - one of the parameters is null or invalid

PropertyServerException - problem accessing property server

UserNotAuthorizedException - security access problem

attachFolderToFileSystem

public void attachFolderToFileSystem(String userId,
                                     String externalSourceGUID,
                                     String externalSourceName,
                                     String fileSystemGUID,
                                     String fileSystemGUIDParameterName,
                                     String folderGUID,
                                     String folderGUIDParameterName,
                                     String methodName)
                              throws InvalidParameterException,
                                     UserNotAuthorizedException,
                                     PropertyServerException

Links a folder to a file system. The folder is not changed.

Parameters:: userId - calling user; externalSourceGUID - guid of the software server capability entity that represented the external source - null for local; externalSourceName - name of the software server capability entity that represented the external source; fileSystemGUID - unique identifier of the file system in the catalog; fileSystemGUIDParameterName - parameter name for the fileSystemGUID; folderGUID - unique identifier of the folder in the catalog; folderGUIDParameterName - parameter name for the folderGUID; methodName - calling method
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

detachFolderFromFileSystem

public void detachFolderFromFileSystem(String userId,
                                       String externalSourceGUID,
                                       String externalSourceName,
                                       String fileSystemGUID,
                                       String fileSystemGUIDParameterName,
                                       String folderGUID,
                                       String folderGUIDParameterName,
                                       String methodName)
                                throws InvalidParameterException,
                                       UserNotAuthorizedException,
                                       PropertyServerException

Removed the link between a folder and a file system.

Parameters:: userId - calling user; externalSourceGUID - guid of the software server capability entity that represented the external source - null for local; externalSourceName - name of the software server capability entity that represented the external source; fileSystemGUID - unique identifier of the file system in the catalog; fileSystemGUIDParameterName - parameter name for the fileSystemGUID; folderGUID - unique identifier of the folder in the catalog; folderGUIDParameterName - parameter name for the folderGUID; methodName - calling method
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

attachDataFileAssetToFolder

public void attachDataFileAssetToFolder(String userId,
                                        String externalSourceGUID,
                                        String externalSourceName,
                                        String folderGUID,
                                        String folderGUIDParameterName,
                                        String fileGUID,
                                        String fileGUIDParameterName,
                                        String methodName)
                                 throws InvalidParameterException,
                                        UserNotAuthorizedException,
                                        PropertyServerException

Link an existing file asset to a folder. The file is not changed as this is used to create a logical link to the folder.

Parameters:: userId - calling user; externalSourceGUID - guid of the software server capability entity that represented the external source - null for local; externalSourceName - name of the software server capability entity that represented the external source; folderGUID - unique identifier of the folder; folderGUIDParameterName - parameter providing folderGUID; fileGUID - unique identifier of the file; fileGUIDParameterName - parameter providing fileGUID; methodName - calling method
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

detachDataFileAssetFromFolder

public void detachDataFileAssetFromFolder(String userId,
                                          String externalSourceGUID,
                                          String externalSourceName,
                                          String folderGUID,
                                          String folderGUIDParameterName,
                                          String fileGUID,
                                          String fileGUIDParameterName,
                                          String methodName)
                                   throws InvalidParameterException,
                                          UserNotAuthorizedException,
                                          PropertyServerException

Remove a link between a file asset and a folder. The file is not changed. Use moveDataFileInCatalog to record the fact that the physical file has moved. Use attachDataFileAssetToFolder to create logical link to a new folder.

Parameters:: userId - calling user; externalSourceGUID - guid of the software server capability entity that represented the external source - null for local; externalSourceName - name of the software server capability entity that represented the external source; folderGUID - unique identifier of the folder; folderGUIDParameterName - parameter providing folderGUID; fileGUID - unique identifier of the file; fileGUIDParameterName - parameter providing fileGUID; methodName - calling method
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

moveDataFileInCatalog

public void moveDataFileInCatalog(String userId,
                                  String externalSourceGUID,
                                  String externalSourceName,
                                  String newParentFolder,
                                  String newParentFolderGUIDParameterName,
                                  String fileGUID,
                                  String fileGUIDParameterName,
                                  String methodName)
                           throws InvalidParameterException,
                                  UserNotAuthorizedException,
                                  PropertyServerException

Move a file from its current parent folder to a new parent folder - this changes the file's qualified name but not its unique identifier (guid). Also the the endpoint in the connection object.

Parameters:: userId - calling user; externalSourceGUID - guid of the software server capability entity that represented the external source - null for local; externalSourceName - name of the software server capability entity that represented the external source; newParentFolder - unique identifier of the new parent folder; newParentFolderGUIDParameterName - parameter providing newParentFolder; fileGUID - unique identifier of the file; fileGUIDParameterName - parameter providing fileGUID; methodName - calling method
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

moveDataFolderInCatalog

public void moveDataFolderInCatalog(String userId,
                                    String externalSourceGUID,
                                    String externalSourceName,
                                    String newParentFolderGUID,
                                    String newParentFolderGUIDParameterName,
                                    String movingFolderGUID,
                                    String movingFolderGUIDParameterName,
                                    String methodName)
                             throws InvalidParameterException,
                                    UserNotAuthorizedException,
                                    PropertyServerException

Move a file from its current parent folder to a new parent folder - this changes the file's qualified name but not its unique identifier (guid). Also the the endpoint in the connection object.

Parameters:: userId - calling user; externalSourceGUID - guid of the software server capability entity that represented the external source - null for local; externalSourceName - name of the software server capability entity that represented the external source; newParentFolderGUID - new parent folder; newParentFolderGUIDParameterName - name of parameter supplying newParentFolderGUID; movingFolderGUID - unique identifier of the data folder to move; movingFolderGUIDParameterName - name of parameter supplying movingFolderGUID; methodName - calling method
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

addDataFileAssetToCatalog
```
public List<String> addDataFileAssetToCatalog(String userId,
                                              String externalSourceGUID,
                                              String externalSourceName,
                                              String fileSystemGUID,
                                              String fileSystemName,
                                              String displayName,
                                              String description,
                                              String pathName,
                                              String methodName)
                                       throws InvalidParameterException,
                                              UserNotAuthorizedException,
                                              PropertyServerException
```
Creates a new file asset and links it to the folder structure implied in the path name. If the folder structure is not catalogued already, this is created automatically using the createFolderStructureInCatalog() method. For example, a pathName of "one/two/three/MyFile.txt" potentially creates 3 new folder assets, one called "one", the next called "one/two" and the last one called "one/two/three" plus a file asset called "one/two/three/MyFile.txt".

Parameters:

userId - calling user

externalSourceGUID - guid of the software server capability entity that represented the external source - null for local

externalSourceName - name of the software server capability entity that represented the external source

fileSystemGUID - guid of the software server capability entity that represented the file system or file manager

fileSystemName - name of the software server capability entity that represented the file system or file manager

displayName - display name for the folder in the catalog

description - description of the folder in the catalog

pathName - pathname of the file

methodName - calling method

Returns:

list of GUIDs from the top level to the root of the pathname

Throws:

InvalidParameterException - one of the parameters is null or invalid

PropertyServerException - problem accessing property server

UserNotAuthorizedException - security access problem

addDataFolderAssetToCatalog
```
public List<String> addDataFolderAssetToCatalog(String userId,
                                                String externalSourceGUID,
                                                String externalSourceName,
                                                String fileSystemGUID,
                                                String fileSystemName,
                                                String displayName,
                                                String description,
                                                String pathName,
                                                String methodName)
                                         throws InvalidParameterException,
                                                UserNotAuthorizedException,
                                                PropertyServerException
```
Creates a new folder asset that is identified as a data asset. This means the files and sub-folders within it collectively make up the contents of the data asset. As with other types of file-based asset, links are made to the folder structure implied in the path name. If the folder structure is not catalogued already, this is created automatically using the createFolderStructureInCatalog() method. For example, a pathName of "one/two/three/MyDataFolder" potentially creates 3 new folder assets, one called "one", the next called "one/two" and the last one called "one/two/three" plus a DataFolder asset called "one/two/three/MyDataFolder".

Parameters:

userId - calling user

externalSourceGUID - guid of the software server capability entity that represented the external source - null for local

externalSourceName - name of the software server capability entity that represented the external source

fileSystemGUID - guid of the software server capability entity that represented the file system or file manager

fileSystemName - name of the software server capability entity that represented the file system or file manager

displayName - display name for the folder in the catalog

description - description of the folder in the catalog

pathName - pathname of the file

methodName - calling method

Returns:

list of GUIDs from the top level to the root of the pathname

Throws:

InvalidParameterException - one of the parameters is null or invalid

PropertyServerException - problem accessing property server

UserNotAuthorizedException - security access problem

addFileToCatalog

public List<String> addFileToCatalog(String userId,
                                     String externalSourceGUID,
                                     String externalSourceName,
                                     String fileSystemGUID,
                                     String fileSystemName,
                                     String fullPath,
                                     String displayName,
                                     String description,
                                     Map<String,String> additionalProperties,
                                     String connectorClassName,
                                     String typeName,
                                     Map<String,Object> extendedProperties,
                                     String methodName)
                              throws InvalidParameterException,
                                     UserNotAuthorizedException,
                                     PropertyServerException

Add a simple asset description linked to a connection object for a file.

Parameters:: userId - calling user (assumed to be the owner); externalSourceGUID - guid of the software server capability entity that represented the external source - null for local; externalSourceName - name of the software server capability entity that represented the external source; fileSystemGUID - guid of the software server capability entity that represented the file system or file manager; fileSystemName - name of the software server capability entity that represented the file system or file manager; fullPath - unique path and file name for file; displayName - short display name for file (defaults to the file name without the path); description - description of the file; additionalProperties - additional properties from the user; connectorClassName - qualified class name for the connector provider for this type of file; typeName - name of the type (default is File); extendedProperties - any additional properties for the file type; methodName - calling method
Returns:: list of GUIDs from the top level to the root of the pathname
Throws:: InvalidParameterException - full path or userId is null; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

addAvroFileToCatalog

public List<String> addAvroFileToCatalog(String userId,
                                         String externalSourceGUID,
                                         String externalSourceName,
                                         String fileSystemGUID,
                                         String fileSystemName,
                                         String displayName,
                                         String description,
                                         String fullPath,
                                         String methodName)
                                  throws InvalidParameterException,
                                         UserNotAuthorizedException,
                                         PropertyServerException

Add a simple asset description linked to a connection object for an Avro file.

Parameters:: userId - calling user (assumed to be the owner); externalSourceGUID - guid of the software server capability entity that represented the external source - null for local; externalSourceName - name of the software server capability entity that represented the external source; fileSystemGUID - guid of the software server capability entity that represented the file system or file manager; fileSystemName - name of the software server capability entity that represented the file system or file manager; displayName - display name for the file in the catalog; description - description of the file in the catalog; fullPath - full path of the file - used to access the file through the connector; methodName - calling method
Returns:: list of GUIDs from the top level to the root of the pathname
Throws:: InvalidParameterException - full path or userId is null; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

addCSVFileToCatalog

public List<String> addCSVFileToCatalog(String userId,
                                        String externalSourceGUID,
                                        String externalSourceName,
                                        String fileSystemGUID,
                                        String fileSystemName,
                                        String displayName,
                                        String description,
                                        String fullPath,
                                        List<String> columnHeaders,
                                        Character delimiterCharacter,
                                        Character quoteCharacter,
                                        String methodName)
                                 throws InvalidParameterException,
                                        UserNotAuthorizedException,
                                        PropertyServerException

Add a simple asset description linked to a connection object for a CSV file.

Parameters:: userId - calling user (assumed to be the owner); externalSourceGUID - guid of the software server capability entity that represented the external source - null for local; externalSourceName - name of the software server capability entity that represented the external source; fileSystemGUID - guid of the software server capability entity that represented the file system or file manager; fileSystemName - name of the software server capability entity that represented the file system or file manager; displayName - display name for the file in the catalog; description - description of the file in the catalog; fullPath - full path of the file - used to access the file through the connector; columnHeaders - does the first line of the file contain the column names. If not pass the list of column headers.; delimiterCharacter - what is the delimiter character - null for default of comma; quoteCharacter - what is the character to group a field that contains delimiter characters; methodName - calling method
Returns:: list of GUIDs from the top level to the root of the pathname
Throws:: InvalidParameterException - full path or userId is null; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

getFileSystemByGUID

public FILESYSTEM getFileSystemByGUID(String userId,
                                      String softwareServerCapabilityGUID,
                                      String guidParameterName,
                                      String methodName)
                               throws InvalidParameterException,
                                      UserNotAuthorizedException,
                                      PropertyServerException

Retrieve a filesystem by its unique identifier (GUID).

Parameters:: userId - calling user; softwareServerCapabilityGUID - unique identifier used to locate the element; guidParameterName - name of parameter providing the GUID; methodName - calling method
Returns:: retrieved properties
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

getFileSystemByUniqueName

public FILESYSTEM getFileSystemByUniqueName(String userId,
                                            String uniqueName,
                                            String parameterName,
                                            String methodName)
                                     throws InvalidParameterException,
                                            UserNotAuthorizedException,
                                            PropertyServerException

Retrieve a filesystem by its unique name.

Parameters:: userId - calling user; uniqueName - unique name for the file system; parameterName - name of parameter providing the parameter name; methodName - calling method
Returns:: properties
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

getFileSystems

public List<String> getFileSystems(String userId,
                                   int startingFrom,
                                   int pageSize,
                                   String methodName)
                            throws InvalidParameterException,
                                   UserNotAuthorizedException,
                                   PropertyServerException

Retrieve a list of unique identifiers for defined filesystems.

Parameters:: userId - calling user; startingFrom - starting point in the list; pageSize - maximum number of results; methodName - calling method
Returns:: List of unique identifiers for the retrieved entities
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

getFolderByGUID

public FOLDER getFolderByGUID(String userId,
                              String folderGUID,
                              String methodName)
                       throws InvalidParameterException,
                              UserNotAuthorizedException,
                              PropertyServerException

Retrieve a Folder asset by its unique identifier (GUID).

Parameters:: userId - calling user; folderGUID - unique identifier used to locate the folder; methodName - calling method
Returns:: Folder properties
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

getFolderGUIDByPathName

public String getFolderGUIDByPathName(String userId,
                                      String pathName,
                                      String methodName)
                               throws InvalidParameterException,
                                      UserNotAuthorizedException,
                                      PropertyServerException

Retrieve return the unique identifier of a folder located by its fully qualified path name.

Parameters:: userId - calling user; pathName - path name; methodName - calling method
Returns:: string guid
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

getFolderByPathName

public FOLDER getFolderByPathName(String userId,
                                  String pathName,
                                  String methodName)
                           throws InvalidParameterException,
                                  UserNotAuthorizedException,
                                  PropertyServerException

Retrieve a folder by its fully qualified path name.

Parameters:: userId - calling user; pathName - path name; methodName - calling method
Returns:: Folder properties
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

findFolderByPathName

public List<FOLDER> findFolderByPathName(String userId,
                                         String pathName,
                                         String methodName)
                                  throws InvalidParameterException,
                                         UserNotAuthorizedException,
                                         PropertyServerException

Retrieve a folder by its fully qualified path name. In theory there should be none or one asset returned. However in complex environments, duplicates are possible.

Parameters:: userId - calling user; pathName - path name; methodName - calling method
Returns:: list of matching folder properties
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

findFolderByName

public List<FOLDER> findFolderByName(String userId,
                                     String name,
                                     String methodName)
                              throws InvalidParameterException,
                                     UserNotAuthorizedException,
                                     PropertyServerException

Retrieve folder by the supplied wildcard name. The wildcard is specified using regular expressions (RegEx).

Parameters:: userId - calling user; name - wildcard name; methodName - calling method
Returns:: list of matching folder properties
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

getNestedFolders

public List<String> getNestedFolders(String userId,
                                     String parentFolderGUID,
                                     String parentFolderParameterName,
                                     int startingFrom,
                                     int pageSize,
                                     String methodName)
                              throws InvalidParameterException,
                                     UserNotAuthorizedException,
                                     PropertyServerException

Return the list of folders nested inside a folder.

Parameters:: userId - calling user; parentFolderGUID - unique identifier of the anchor folder or file system; parentFolderParameterName - name of parameter providing parentFolderGUID; startingFrom - starting point in the list; pageSize - maximum number of results; methodName - calling method
Returns:: list of folder unique identifiers (null means no nested folders)
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

getFolderFiles

public List<String> getFolderFiles(String userId,
                                   String folderGUID,
                                   String folderGUIDParameterName,
                                   int startingFrom,
                                   int pageSize,
                                   String methodName)
                            throws InvalidParameterException,
                                   UserNotAuthorizedException,
                                   PropertyServerException

Get the files inside a folder - both those that are nested and those that are linked.

Parameters:: userId - calling user; folderGUID - unique identifier of the anchor folder; folderGUIDParameterName - name of parameter providing folderGUID; startingFrom - starting point in the list; pageSize - maximum number of results; methodName - calling method
Returns:: list of file asset unique identifiers
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

getDataFileByGUID

public FILE getDataFileByGUID(String userId,
                              String dataFileGUID,
                              String dataFileGUIDParameterName,
                              String methodName)
                       throws InvalidParameterException,
                              UserNotAuthorizedException,
                              PropertyServerException

Retrieve a Folder asset by its unique identifier (GUID).

Parameters:: userId - calling user; dataFileGUID - unique identifier used to locate the folder; dataFileGUIDParameterName - name of parameter providing dataFileGUID; methodName - calling method
Returns:: file properties
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

getDataFileByPathName

public FILE getDataFileByPathName(String userId,
                                  String pathName,
                                  String pathNameParameterName,
                                  String methodName)
                           throws InvalidParameterException,
                                  UserNotAuthorizedException,
                                  PropertyServerException

Retrieve a data file by its fully qualified path name.

Parameters:: userId - calling user; pathName - full path name of data file used in its qualified name; pathNameParameterName - name of parameter providing the pathName; methodName - calling method
Returns:: file properties
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

findDataFileByPathName

public List<FILE> findDataFileByPathName(String userId,
                                         String pathName,
                                         String pathNameParameterName,
                                         int startingFrom,
                                         int pageSize,
                                         String methodName)
                                  throws InvalidParameterException,
                                         UserNotAuthorizedException,
                                         PropertyServerException

Retrieve a data file by its fully qualified path name. In theory there should be none or one asset returned. However in complex environments, duplicates are possible

Parameters:: userId - calling user; pathName - path name; pathNameParameterName - name of parameter providing the pathName; startingFrom - place to start returning results from; pageSize - maximum number of results; methodName - calling method
Returns:: list of matching file properties
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

findDataFilesByName

public List<FILE> findDataFilesByName(String userId,
                                      String name,
                                      String nameParameterName,
                                      int startingFrom,
                                      int pageSize,
                                      String methodName)
                               throws InvalidParameterException,
                                      UserNotAuthorizedException,
                                      PropertyServerException

Retrieve data files by the supplied wildcard name. The wildcard is specified using regular expressions (RegEx).

Parameters:: userId - calling user; name - wildcard name; nameParameterName - name of parameter providing the; startingFrom - place to start returning results from; pageSize - maximum number of results; methodName - calling method
Returns:: list of matching file properties
Throws:: InvalidParameterException - one of the parameters is null or invalid; PropertyServerException - problem accessing property server; UserNotAuthorizedException - security access problem

Class FilesAndFoldersHandler<FILESYSTEM,FOLDER,FILE>

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

FilesAndFoldersHandler

Method Detail

createFileSystem

createFolderStructureInCatalog

createFolderStructureInCatalog

attachFolderToFileSystem

detachFolderFromFileSystem

attachDataFileAssetToFolder

detachDataFileAssetFromFolder

moveDataFileInCatalog

moveDataFolderInCatalog

addDataFileAssetToCatalog

addDataFolderAssetToCatalog

addFileToCatalog

addAvroFileToCatalog

addCSVFileToCatalog

getFileSystemByGUID

getFileSystemByUniqueName

getFileSystems

getFolderByGUID

getFolderGUIDByPathName

getFolderByPathName

findFolderByPathName

findFolderByName

getNestedFolders

getFolderFiles

getDataFileByGUID

getDataFileByPathName

findDataFileByPathName

findDataFilesByName