org.alfresco.filesys.repo

Class LinkMemoryNetworkFile

java.lang.Object

org.alfresco.jlan.server.filesys.NetworkFile

org.alfresco.filesys.alfresco.AlfrescoNetworkFile

org.alfresco.filesys.repo.NodeRefNetworkFile

org.alfresco.filesys.repo.LinkMemoryNetworkFile

All Implemented Interfaces:

NetworkFileLegacyReferenceCount, org.alfresco.jlan.server.filesys.cache.NetworkFileStateInterface

public class LinkMemoryNetworkFile
extends NodeRefNetworkFile

Link Node In Memory Network File Class

In memory network file implementation that uses a memory buffer for the file data.

Author:

gkspencer

Field Summary

Fields inherited from class org.alfresco.filesys.repo.NodeRefNetworkFile

m_nodeRef, m_pid

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
LinkMemoryNetworkFile(String name, byte[] data, org.alfresco.jlan.server.filesys.FileInfo finfo, org.alfresco.service.cmr.repository.NodeRef nodeRef) Class constructor.

Method Summary

Modifier and Type	Method and Description
void	closeFile() Close the network file.
long	currentPosition() Return the current file position.
void	flushFile() Flush the file.
org.alfresco.jlan.server.filesys.cache.FileState	getFileState() Return a dummy file state for this file
boolean	isEndOfFile() Determine if the end of file has been reached.
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
void	writeFile(byte[] buf, int len, int pos) Write a block of data to the file.
void	writeFile(byte[] buf, int len, int pos, long offset) Write a block of data to the file.

Methods inherited from class org.alfresco.filesys.repo.NodeRefNetworkFile

decrementLagacyOpenCount, decrementOpenCount, getLegacyOpenCount, getNodeRef, getOpenCount, getProcessId, incrementLegacyOpenCount, incrementOpenCount, setNodeRef, setProcessId

Methods inherited from class org.alfresco.filesys.alfresco.AlfrescoNetworkFile

allowsOpenCloseViaNetworkFile, setFileState

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

addLock, 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

LinkMemoryNetworkFile

public LinkMemoryNetworkFile(String name,
                             byte[] data,
                             org.alfresco.jlan.server.filesys.FileInfo finfo,
                             org.alfresco.service.cmr.repository.NodeRef nodeRef)

Class constructor.

Parameters:

name - String

data - byte[]

finfo - FileInfo

nodeRef - NodeRef

Method Detail

closeFile

public void closeFile()
               throws IOException

Close the network file.

Specified by:

closeFile in class org.alfresco.jlan.server.filesys.NetworkFile

Throws:

IOException

currentPosition

public long currentPosition()

Return the current file position.

Returns:

long

flushFile

public void flushFile()
               throws IOException

Flush the file.

Specified by:

flushFile in class org.alfresco.jlan.server.filesys.NetworkFile

Throws:

IOException

isEndOfFile

public boolean isEndOfFile()
                    throws IOException

Determine if the end of file has been reached.

Returns:

boolean

Throws:

IOException

openFile

public void openFile(boolean createFlag)
              throws IOException

Open the file.

Specified by:

openFile in class org.alfresco.jlan.server.filesys.NetworkFile

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 org.alfresco.jlan.server.filesys.NetworkFile

Parameters:

buf - byte[]

len - int

pos - int

fileOff - long

Returns:

Length of data read.

Throws:

IOException

seekFile

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

Seek to the specified file position.

Specified by:

seekFile in class org.alfresco.jlan.server.filesys.NetworkFile

Parameters:

pos - long

typ - int

Returns:

long

Throws:

IOException

truncateFile

public void truncateFile(long siz)
                  throws IOException

Truncate the file

Specified by:

truncateFile in class org.alfresco.jlan.server.filesys.NetworkFile

Parameters:

siz - long

Throws:

IOException

writeFile

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

Write a block of data to the file.

Parameters:

buf - byte[]

len - int

Throws:

IOException

writeFile

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

Write a block of data to the file.

Specified by:

writeFile in class org.alfresco.jlan.server.filesys.NetworkFile

Parameters:

buf - byte[]

len - int

pos - int

offset - long

Throws:

IOException

getFileState

public org.alfresco.jlan.server.filesys.cache.FileState getFileState()

Return a dummy file state for this file

Specified by:

getFileState in interface org.alfresco.jlan.server.filesys.cache.NetworkFileStateInterface

Overrides:

getFileState in class AlfrescoNetworkFile

Returns:

FileState