water.persist

Class PersistGcs

java.lang.Object

water.persist.Persist

water.persist.PersistGcs

public final class PersistGcs
extends water.persist.Persist

Persistence backend for GCS

Nested Class Summary

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

water.persist.Persist.PersistEntry

Constructor Summary

Constructors

Constructor and Description
PersistGcs()

Method Summary

Modifier and Type	Method and Description
java.util.List<java.lang.String>	calcTypeaheadMatches(java.lang.String filter, int limit)
void	cleanUp()
java.io.OutputStream	create(java.lang.String path, boolean overwrite)
boolean	delete(java.lang.String path)
void	delete(water.Value v)
boolean	exists(java.lang.String path)
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)
long	length(java.lang.String path)
water.persist.Persist.PersistEntry[]	list(java.lang.String path) Lists Blobs prefixed with `path`.
byte[]	load(water.Value v)
boolean	mkdirs(java.lang.String path)
java.io.InputStream	open(java.lang.String path)
boolean	rename(java.lang.String fromPath, java.lang.String toPath)
void	store(water.Value v)
water.Key	uriToKey(java.net.URI uri)

Methods inherited from class water.persist.Persist

canHandle, getHomeDirectory, getTotalSpace, getUsableSpace, isDirectory, key2Str

Methods inherited from class java.lang.Object

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

Constructor Detail

PersistGcs

public PersistGcs()

Method Detail

load

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

Specified by:

load in class water.persist.Persist

Throws:

java.io.IOException

uriToKey

public water.Key uriToKey(java.net.URI uri)
                   throws java.io.IOException

Specified by:

uriToKey in class water.persist.Persist

Throws:

java.io.IOException

store

public void store(water.Value v)
           throws java.io.IOException

Specified by:

store in class water.persist.Persist

Throws:

java.io.IOException

delete

public void delete(water.Value v)

Specified by:

delete in class water.persist.Persist

cleanUp

public void cleanUp()

Specified by:

cleanUp in class water.persist.Persist

calcTypeaheadMatches

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

Specified by:

calcTypeaheadMatches in class water.persist.Persist

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 water.persist.Persist

open

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

Overrides:

open in class water.persist.Persist

create

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

Overrides:

create in class water.persist.Persist

rename

public boolean rename(java.lang.String fromPath,
                      java.lang.String toPath)

Overrides:

rename in class water.persist.Persist

exists

public boolean exists(java.lang.String path)

Overrides:

exists in class water.persist.Persist

delete

public boolean delete(java.lang.String path)

Overrides:

delete in class water.persist.Persist

length

public long length(java.lang.String path)

Overrides:

length in class water.persist.Persist

list

public water.persist.Persist.PersistEntry[] list(java.lang.String path)

Lists Blobs prefixed with `path`. Prefix `path` is removed from the name of returned entries. e.g. If `path` equals gs://bucket/infix and 2 Blobs exist: "gs://bucket/infix/blob1, gs://bucket/infix/blob2, the returned array contains of Persist Entries with names set to blob1 and blob2, respectively.

Overrides:

list in class water.persist.Persist

mkdirs

public boolean mkdirs(java.lang.String path)

Overrides:

mkdirs in class water.persist.Persist