fedora.server.storage.lowlevel
Class FileSystemLowlevelStorage

java.lang.Object
  fedora.server.storage.lowlevel.FileSystemLowlevelStorage

All Implemented Interfaces:

ILowlevelStorage

public class FileSystemLowlevelStorage

extends java.lang.Object

implements ILowlevelStorage

Title: FileSystemLowlevelStorage.java

Description:

Version:

$Id: FileSystemLowlevelStorage.java,v 1.16 2005/04/21 13:10:38 rlw Exp $

Author:

wdn5e@virginia.edu

Method Summary

void	add(java.lang.String pid, java.io.InputStream content) add to lowlevel store content of Fedora object not already in lowlevel store
void	audit() compares a. path registry with OS files; and b.
static ILowlevelStorage	getDatastreamStore()
static ILowlevelStorage	getObjectStore()
static ILowlevelStorage	getPermanentStore() Deprecated. keep in place temporarily, so that code using it doesn't break awaiting change
static ILowlevelStorage	getTempStore()
void	rebuild() recreates path registry from OS files
void	remove(java.lang.String pid) remove Fedora object from low-level store
void	replace(java.lang.String pid, java.io.InputStream content) replace into low-level store content of Fedora object already in lowlevel store
java.io.InputStream	retrieve(java.lang.String pid) get content of Fedora object from low-level store

Methods inherited from class java.lang.Object

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

Method Detail

getObjectStore

public static final ILowlevelStorage getObjectStore()

getDatastreamStore

public static final ILowlevelStorage getDatastreamStore()

getTempStore

public static final ILowlevelStorage getTempStore()

getPermanentStore

public static final ILowlevelStorage getPermanentStore()

Deprecated. keep in place temporarily, so that code using it doesn't break awaiting change

audit

public void audit()
           throws LowlevelStorageException

compares a. path registry with OS files; and b. OS files with registry

Specified by:

audit in interface ILowlevelStorage

Throws:

LowlevelStorageException

rebuild

public void rebuild()
             throws LowlevelStorageException

recreates path registry from OS files

Specified by:

rebuild in interface ILowlevelStorage

Throws:

LowlevelStorageException

add

public final void add(java.lang.String pid,
                      java.io.InputStream content)
               throws LowlevelStorageException,
                      ObjectAlreadyInLowlevelStorageException

add to lowlevel store content of Fedora object not already in lowlevel store

Specified by:

add in interface ILowlevelStorage

Throws:

LowlevelStorageException

ObjectAlreadyInLowlevelStorageException

replace

public final void replace(java.lang.String pid,
                          java.io.InputStream content)
                   throws LowlevelStorageException,
                          ObjectNotInLowlevelStorageException

replace into low-level store content of Fedora object already in lowlevel store

Specified by:

replace in interface ILowlevelStorage

Throws:

LowlevelStorageException

ObjectNotInLowlevelStorageException

retrieve

public final java.io.InputStream retrieve(java.lang.String pid)
                                   throws LowlevelStorageException,
                                          ObjectNotInLowlevelStorageException

get content of Fedora object from low-level store

Specified by:

retrieve in interface ILowlevelStorage

Throws:

LowlevelStorageException

ObjectNotInLowlevelStorageException

remove

public final void remove(java.lang.String pid)
                  throws LowlevelStorageException,
                         ObjectNotInLowlevelStorageException

remove Fedora object from low-level store

Specified by:

remove in interface ILowlevelStorage

Throws:

LowlevelStorageException

ObjectNotInLowlevelStorageException