water.persist

Class PersistHex

java.lang.Object

water.persist.Persist

water.persist.PersistHex

public class PersistHex
extends Persist

Nested Class Summary

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

Persist.PersistEntry

Constructor Summary

Constructors

Constructor and Description
PersistHex()

Method Summary

Modifier and Type	Method and Description
java.util.List<java.lang.String>	calcTypeaheadMatches(java.lang.String filter, int limit) Calculate typeahead matches for src
void	cleanUp() Delete persistent storage on startup and shutdown
java.io.OutputStream	create(java.lang.String path, boolean overwrite) Create a new file and return OutputStream for writing.
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
java.io.InputStream	open(java.lang.String path)
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, delete, exists, getHomeDirectory, getParent, getTotalSpace, getUsableSpace, isDirectory, isSeekableOpenSupported, key2Str, length, list, load, mkdirs, openSeekable, rename, wrapSeekable

Methods inherited from class java.lang.Object

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

Constructor Detail

PersistHex

public PersistHex()

Method Detail

open

public java.io.InputStream open(java.lang.String path)

Overrides:

open in class Persist

create

public java.io.OutputStream create(java.lang.String path,
                                   boolean overwrite)

Description copied from class: Persist

Create a new file and return OutputStream for writing. The method creates all directories which does not exists on the referenced path.

Overrides:

create in class Persist

Parameters:

path - persist layer specific path

overwrite - overwrite destination file

Returns:

output stream

calcTypeaheadMatches

public java.util.List<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

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

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

cleanUp

public void cleanUp()

Description copied from class: Persist

Delete persistent storage on startup and shutdown

Specified by:

cleanUp in class Persist

load

public byte[] load(Value v)

Description copied from class: Persist

Load a previously stored Value

Specified by:

load in class Persist