org.mycore.datamodel.ifs2
Class MCRFileStore

java.lang.Object
  org.mycore.datamodel.ifs2.MCRStore
      org.mycore.datamodel.ifs2.MCRFileStore

public class MCRFileStore
extends MCRStore

Stores file collections containing files and directories. For each store, properties must be defined, for example MCR.IFS2.Store.ID.Class=org.mycore.datamodel.ifs2.MCRFileStore MCR.IFS2.Store.ID.BaseDir=/foo/bar MCR.IFS2.Store.ID.SlotLayout=4-2-2

Author:

Frank Lützenkirchen

Field Summary

Fields inherited from class org.mycore.datamodel.ifs2.MCRStore

ASCENDING, DESCENDING, dir, id, idLength, lastID, offset, prefix, slotLength, stores, suffix

Constructor Summary

MCRFileStore()

Method Summary

MCRFileCollection	create() Creates and stores a new, empty file collection using the next free ID in the store.
MCRFileCollection	create(int id) Creates and stores a new, empty file collection with the given ID
static MCRFileStore	getStore(String type) Returns the store with the given ID
void	repairAllMetadata() Repairs metadata of all file collections stored here
MCRFileCollection	retrieve(int id) Returns the file collection stored under the given ID, or null when no collection is stored for the given ID.

Methods inherited from class org.mycore.datamodel.ifs2.MCRStore

delete, delete, exists, getBaseDir, getHighestStoredID, getID, getNextFreeID, getSlot, getSlotPath, getSlotPaths, init, listIDs

Methods inherited from class java.lang.Object

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

Constructor Detail

MCRFileStore

public MCRFileStore()

Method Detail

getStore

public static MCRFileStore getStore(String type)

Returns the store with the given ID

Parameters:

ID - the ID of the store

Returns:

the store with that ID

create

public MCRFileCollection create()
                         throws Exception

Creates and stores a new, empty file collection using the next free ID in the store.

Returns:

a newly created file collection

Throws:

Exception

create

public MCRFileCollection create(int id)
                         throws Exception

Creates and stores a new, empty file collection with the given ID

Parameters:

id - the ID of the file collection

Returns:

a newly created file collection

Throws:

Exception - when a file collection with the given ID already exists

retrieve

public MCRFileCollection retrieve(int id)
                           throws Exception

Returns the file collection stored under the given ID, or null when no collection is stored for the given ID.

Parameters:

id - the file collection's ID

Returns:

the file collection with the given ID, or null

Throws:

Exception

repairAllMetadata

public void repairAllMetadata()
                       throws Exception

Repairs metadata of all file collections stored here

Throws:

Exception