water.persist

Class PersistNFS

java.lang.Object

water.persist.Persist

water.persist.PersistNFS

public final class PersistNFS
extends Persist

Nested Class Summary

Nested classes/interfaces inherited from class water.persist.Persist

Persist.PersistEntry

Constructor Summary

Constructors

Constructor and Description
PersistNFS()

Method Summary

Modifier and Type	Method and Description
java.util.ArrayList<java.lang.String>	calcTypeaheadMatches(java.lang.String filter, int limit) Calculate typeahead matches for src
void	cleanUp() Delete persistent storage on startup and shutdown
static Key	decodeFile(java.io.File f) Key from file
void	delete(Value v) Reclaim space from a previously stored Value
void	importFiles(java.lang.String path, java.lang.String pattern, java.util.ArrayList<java.lang.String> files, java.util.ArrayList<java.lang.String> keys, java.util.ArrayList<java.lang.String> fails, java.util.ArrayList<java.lang.String> dels)
byte[]	load(Value v) Load a previously stored Value
static java.io.InputStream	openStream(Key k) InputStream from a NFS-based Key
void	store(Value v) Store a Value into persistent storage, consuming some storage space.
Key	uriToKey(java.net.URI uri) Transform given uri into file vector holding file name.

Methods inherited from class water.persist.Persist

canHandle, create, delete, exists, getHomeDirectory, getParent, getTotalSpace, getUsableSpace, isDirectory, isSeekableOpenSupported, key2Str, length, list, load, mkdirs, open, openSeekable, rename, wrapSeekable

Methods inherited from class java.lang.Object

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

Constructor Detail

PersistNFS

public PersistNFS()

Method Detail

decodeFile

public static Key decodeFile(java.io.File f)

Key from file

cleanUp

public void cleanUp()

Description copied from class: Persist

Delete persistent storage on startup and shutdown

Specified by:

cleanUp in class Persist

openStream

public static java.io.InputStream openStream(Key k)
                                      throws java.io.IOException

InputStream from a NFS-based Key

Throws:

java.io.IOException

load

public byte[] load(Value v)
            throws java.io.IOException

Description copied from class: Persist

Load a previously stored Value

Specified by:

load in class Persist

Throws:

java.io.IOException

store

public void store(Value v)

Description copied from class: Persist

Store a Value into persistent storage, consuming some storage space.

Specified by:

store in class Persist

delete

public void delete(Value v)

Description copied from class: Persist

Reclaim space from a previously stored Value

Specified by:

delete in class Persist

uriToKey

public Key uriToKey(java.net.URI uri)

Description copied from class: Persist

Transform given uri into file vector holding file name.

Specified by:

uriToKey in class Persist

calcTypeaheadMatches

public java.util.ArrayList<java.lang.String> calcTypeaheadMatches(java.lang.String filter,
                                                                  int limit)

Description copied from class: Persist

Calculate typeahead matches for src

Specified by:

calcTypeaheadMatches in class Persist

Parameters:

filter - Source string to match for typeahead

limit - Max number of entries to return

Returns:

List of matches

importFiles

public void importFiles(java.lang.String path,
                        java.lang.String pattern,
                        java.util.ArrayList<java.lang.String> files,
                        java.util.ArrayList<java.lang.String> keys,
                        java.util.ArrayList<java.lang.String> fails,
                        java.util.ArrayList<java.lang.String> dels)

Specified by:

importFiles in class Persist