org.alfresco.jlan.server.filesys.db

Class DirectoryNetworkFile

java.lang.Object

org.alfresco.jlan.server.filesys.NetworkFile

org.alfresco.jlan.server.filesys.db.DBNetworkFile

org.alfresco.jlan.server.filesys.db.DirectoryNetworkFile

All Implemented Interfaces:

NetworkFileStateInterface

public class DirectoryNetworkFile
extends DBNetworkFile

Directory Network File Class

The directory network file is used by file loader implementations that only store file data and do not store the filesystem structure.

Author:

gkspencer

Field Summary

Fields inherited from class org.alfresco.jlan.server.filesys.db.DBNetworkFile

DBCacheFile

Fields inherited from class org.alfresco.jlan.server.filesys.NetworkFile

ATTRIBUTESONLY, Created, DelayedClose, DelayedWriteError, DeleteOnClose, IOPending, m_accessDate, m_allowedAccess, m_attrib, m_closed, m_createDate, m_dirId, m_fid, m_fileSize, m_fullName, m_grantedAccess, m_modifyDate, m_name, m_streamId, m_streamName, m_uniqueId, m_writeCount, READONLY, READWRITE, WRITEONLY

Constructor Summary

Constructors

Constructor and Description
DirectoryNetworkFile(String name, int fid, int did) Class constructor
DirectoryNetworkFile(String name, int fid, int did, FileStateProxy stateProxy) Class constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	closeFile() Close the file
void	flushFile() Flush any buffered output to the file
void	openFile(boolean createFlag) Open the file
int	readFile(byte[] buf, int len, int pos, long fileOff) Read from the file.
long	seekFile(long pos, int typ) Seek to the specified file position.
void	truncateFile(long siz) Truncate the file to the specified file size
void	writeFile(byte[] buf, int len, int pos, long fileOff) Write a block of data to the file.

Methods inherited from class org.alfresco.jlan.server.filesys.db.DBNetworkFile

getFileState, getLoader, getOwnerSessionId, getStatus, hasFileState, hasLoader, hasOwnerSessionId, setFileDetails, setFileState, setLoader, setOwnerSessionId, setStatus

Methods inherited from class org.alfresco.jlan.server.filesys.NetworkFile

addLock, allowsOpenCloseViaNetworkFile, close, getAccessDate, getAccessToken, getAllowedAccess, getCreationDate, getDirectoryId, getFileAttributes, getFileId, getFileSize, getFileSizeInt, getFullName, getFullNameStream, getGrantedAccess, getGrantedAccessAsString, getLockAt, getLockList, getModifyDate, getName, getOpLock, getProtocolId, getStreamId, getStreamName, getUniqueId, getWriteCount, hasAccessDate, hasAccessToken, hasCreationDate, hasDelayedClose, hasDelayedWriteError, hasDeleteOnClose, hasIOPending, hasLocks, hasModifyDate, hasNTAttribute, hasOpLock, incrementWriteCount, isArchived, isClosed, isDirectory, isForce, isHidden, isReadOnly, isStream, isSystem, numberOfLocks, removeAllLocks, removeLock, setAccessDate, setAccessToken, setAllowedAccess, setAttributes, setClosed, setCreationDate, setDelayedClose, setDelayedWriteError, setDeleteOnClose, setDirectoryId, setFileId, setFileSize, setFileSize, setForce, setFullName, setGrantedAccess, setIOPending, setModifyDate, setName, setOpLock, setProtocolId, setStatusFlag, setStreamId, setStreamName, setUniqueId, setUniqueId, setUniqueId, toString, wasCreated

Methods inherited from class java.lang.Object

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

Constructor Detail

DirectoryNetworkFile

public DirectoryNetworkFile(String name,
                    int fid,
                    int did)

Class constructor

Parameters:

name - String

fid - int

did - int

DirectoryNetworkFile

public DirectoryNetworkFile(String name,
                    int fid,
                    int did,
                    FileStateProxy stateProxy)

Class constructor

Parameters:

name - String

fid - int

did - int

stateProxy - FileState

Method Detail

openFile

public void openFile(boolean createFlag)
              throws IOException

Open the file

Overrides:

openFile in class DBNetworkFile

Parameters:

createFlag - boolean

Throws:

IOException

readFile

public int readFile(byte[] buf,
           int len,
           int pos,
           long fileOff)
             throws IOException

Read from the file.

Specified by:

readFile in class NetworkFile

Parameters:

buf - byte[]

len - int

pos - int

fileOff - int

Returns:

Length of data read.

Throws:

IOException

writeFile

public void writeFile(byte[] buf,
             int len,
             int pos,
             long fileOff)
               throws IOException

Write a block of data to the file.

Specified by:

writeFile in class NetworkFile

Parameters:

buf - byte[]

len - int

pos - int

fileOff - long

Throws:

IOException

flushFile

public void flushFile()
               throws IOException

Flush any buffered output to the file

Specified by:

flushFile in class NetworkFile

Throws:

IOException

seekFile

public long seekFile(long pos,
            int typ)
              throws IOException

Seek to the specified file position.

Specified by:

seekFile in class NetworkFile

Parameters:

pos - long

typ - int

Returns:

long

Throws:

IOException

truncateFile

public void truncateFile(long siz)
                  throws IOException

Truncate the file to the specified file size

Specified by:

truncateFile in class NetworkFile

Parameters:

siz - long

Throws:

IOException

closeFile

public void closeFile()

Close the file

Specified by:

closeFile in class NetworkFile