org.planx.xmlstore.koala.io
Interface NodeFileSystem<R extends Locatable>

All Superinterfaces:

FileSystem, Loader<R,SystemNode>

All Known Implementing Classes:

CacheNodeFileSystem, MemoryNodeFileSystem, NodeFileSystemImpl

public interface NodeFileSystem<R extends Locatable>
extends FileSystem, Loader<R,SystemNode>

A FileSystem that has an associated IOPolicy and provides save and load methods for nodes.

Author:

Thomas Ambus

Method Summary

IOPolicy<R>	getPolicy() Returns the IOPolicy associated with this NodeFileSystem.
SystemNode	load(Locator loc, RelativeDualReference<Locator,R> ref) Loads a node from the file system.
SystemNode	load(R ref) Loads a node from the file system.
Locator	save(SystemNode node) Saves a node in the file system returning a Locator to it.

Methods inherited from interface org.planx.io.FileSystem

all, allocate, allocate, clear, clearModified, close, free, getData, getMeta, id, isContained, isModified, isReadOnly, setMeta, setReadOnly, size

Method Detail

getPolicy

IOPolicy<R> getPolicy()

Returns the IOPolicy associated with this NodeFileSystem.

load

SystemNode load(R ref)
                throws IOException

Loads a node from the file system.

Specified by:

load in interface Loader<R extends Locatable,SystemNode>

Throws:

IOException

load

SystemNode load(Locator loc,
                RelativeDualReference<Locator,R> ref)
                throws IOException

Loads a node from the file system.

Throws:

IOException

save

Locator save(SystemNode node)
             throws IOException

Saves a node in the file system returning a Locator to it.

Throws:

IOException