org.gridgain.grid.kernal.processors.ggfs

Class GridGgfsImpl

java.lang.Object

org.gridgain.grid.kernal.processors.ggfs.GridGgfsImpl

All Implemented Interfaces:

org.gridgain.grid.ggfs.GridGgfs, GridGgfsEx

public final class GridGgfsImpl
extends Object
implements GridGgfsEx

Cache-based GGFS implementation.

Field Summary

Fields inherited from interface org.gridgain.grid.ggfs.GridGgfs

GGFS_SCHEME, PROP_GROUP_NAME, PROP_PERMISSION, PROP_USER_NAME

Method Summary

Methods

Modifier and Type	Method and Description
Collection<org.gridgain.grid.ggfs.GridGgfsBlockLocation>	affinity(org.gridgain.grid.ggfs.GridGgfsPath path, long start, long len)
Collection<org.gridgain.grid.ggfs.GridGgfsBlockLocation>	affinity(org.gridgain.grid.ggfs.GridGgfsPath path, long start, long len, long maxLen)
org.gridgain.grid.ggfs.GridGgfsOutputStream	append(org.gridgain.grid.ggfs.GridGgfsPath path, boolean create)
org.gridgain.grid.ggfs.GridGgfsOutputStream	append(org.gridgain.grid.ggfs.GridGgfsPath path, int bufSize, boolean create, Map<String,String> props)
org.gridgain.grid.GridFuture<?>	awaitDeletesAsync() Asynchronously await for all entries existing in trash to be removed.
String	clientLogDirectory() Gets client file system log directory.
void	clientLogDirectory(String logDir) Sets client file system log directory.
org.gridgain.grid.ggfs.GridGgfsConfiguration	configuration()
GridGgfsContext	context()
org.gridgain.grid.ggfs.GridGgfsOutputStream	create(org.gridgain.grid.ggfs.GridGgfsPath path, boolean overwrite)
org.gridgain.grid.ggfs.GridGgfsOutputStream	create(org.gridgain.grid.ggfs.GridGgfsPath path, int bufSize, boolean overwrite, org.gridgain.grid.GridUuid affKey, int replication, long blockSize, Map<String,String> props)
boolean	delete(org.gridgain.grid.ggfs.GridGgfsPath path, boolean recursive)
boolean	evictExclude(org.gridgain.grid.ggfs.GridGgfsPath path, boolean primary) Whether this path is excluded from evictions.
<T,R> org.gridgain.grid.GridFuture<R>	execute(Class<? extends org.gridgain.grid.ggfs.mapreduce.GridGgfsTask<T,R>> taskCls, org.gridgain.grid.ggfs.mapreduce.GridGgfsRecordResolver rslvr, Collection<org.gridgain.grid.ggfs.GridGgfsPath> paths, boolean skipNonExistentFiles, long maxRangeSize, T arg)
<T,R> org.gridgain.grid.GridFuture<R>	execute(Class<? extends org.gridgain.grid.ggfs.mapreduce.GridGgfsTask<T,R>> taskCls, org.gridgain.grid.ggfs.mapreduce.GridGgfsRecordResolver rslvr, Collection<org.gridgain.grid.ggfs.GridGgfsPath> paths, T arg)
<T,R> org.gridgain.grid.GridFuture<R>	execute(org.gridgain.grid.ggfs.mapreduce.GridGgfsTask<T,R> task, org.gridgain.grid.ggfs.mapreduce.GridGgfsRecordResolver rslvr, Collection<org.gridgain.grid.ggfs.GridGgfsPath> paths, boolean skipNonExistentFiles, long maxRangeLen, T arg)
<T,R> org.gridgain.grid.GridFuture<R>	execute(org.gridgain.grid.ggfs.mapreduce.GridGgfsTask<T,R> task, org.gridgain.grid.ggfs.mapreduce.GridGgfsRecordResolver rslvr, Collection<org.gridgain.grid.ggfs.GridGgfsPath> paths, T arg)
boolean	exists(org.gridgain.grid.ggfs.GridGgfsPath path)
org.gridgain.grid.GridFuture<?>	format()
Boolean	globalSampling() Get sampling state.
void	globalSampling(Boolean val) Enables, disables or clears sampling flag.
GridGgfsStatus	globalSpace() Gets global space counters.
long	groupBlockSize() Gets group block size, i.e.
org.gridgain.grid.ggfs.GridGgfsFile	info(org.gridgain.grid.ggfs.GridGgfsPath path)
boolean	isProxy(URI path) Check whether the given path is proxy path.
Collection<org.gridgain.grid.ggfs.GridGgfsFile>	listFiles(org.gridgain.grid.ggfs.GridGgfsPath path)
Collection<org.gridgain.grid.ggfs.GridGgfsPath>	listPaths(org.gridgain.grid.ggfs.GridGgfsPath path)
GridGgfsLocalMetrics	localMetrics() Get local metrics.
org.gridgain.grid.ggfs.GridGgfsMetrics	metrics()
void	mkdirs(org.gridgain.grid.ggfs.GridGgfsPath path)
void	mkdirs(org.gridgain.grid.ggfs.GridGgfsPath path, Map<String,String> props)
String	name()
org.gridgain.grid.GridUuid	nextAffinityKey() Get next affinity key.
GridGgfsInputStreamAdapter	open(org.gridgain.grid.ggfs.GridGgfsPath path)
GridGgfsInputStreamAdapter	open(org.gridgain.grid.ggfs.GridGgfsPath path, int bufSize)
GridGgfsInputStreamAdapter	open(org.gridgain.grid.ggfs.GridGgfsPath path, int bufSize, int seqReadsBeforePrefetch)
GridGgfsPaths	proxyPaths() Get handshake message.
void	rename(org.gridgain.grid.ggfs.GridGgfsPath src, org.gridgain.grid.ggfs.GridGgfsPath dest)
void	resetMetrics()
void	setTimes(org.gridgain.grid.ggfs.GridGgfsPath path, long accessTime, long modificationTime)
long	size(org.gridgain.grid.ggfs.GridGgfsPath path)
void	stop() Stops GGFS cleaning all used resources.
org.gridgain.grid.ggfs.GridGgfsPathSummary	summary(org.gridgain.grid.ggfs.GridGgfsPath path)
org.gridgain.grid.ggfs.GridGgfsFile	update(org.gridgain.grid.ggfs.GridGgfsPath path, Map<String,String> props)

Methods inherited from class java.lang.Object

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

Method Detail

stop

public void stop()

Stops GGFS cleaning all used resources.

Specified by:

stop in interface GridGgfsEx

context

public GridGgfsContext context()

Specified by:

context in interface GridGgfsEx

Returns:

GGFS context.

name

@Nullable
public String name()

Specified by:

name in interface org.gridgain.grid.ggfs.GridGgfs

configuration

public org.gridgain.grid.ggfs.GridGgfsConfiguration configuration()

Specified by:

configuration in interface org.gridgain.grid.ggfs.GridGgfs

proxyPaths

public GridGgfsPaths proxyPaths()

Get handshake message.

Specified by:

proxyPaths in interface GridGgfsEx

Returns:

Handshake message.

clientLogDirectory

public String clientLogDirectory()

Gets client file system log directory.

Specified by:

clientLogDirectory in interface GridGgfsEx

Returns:

Client file system log directory or null in case no client connections have been created yet.

clientLogDirectory

public void clientLogDirectory(String logDir)

Sets client file system log directory.

Specified by:

clientLogDirectory in interface GridGgfsEx

Parameters:

logDir - Client file system log directory.

globalSpace

public GridGgfsStatus globalSpace()
                           throws org.gridgain.grid.GridException

Gets global space counters.

Specified by:

globalSpace in interface GridGgfsEx

Returns:

Tuple in which first component is used space on all nodes, second is available space on all nodes.

Throws:

org.gridgain.grid.GridException - If task execution failed.

globalSampling

public void globalSampling(@Nullable
                  Boolean val)
                    throws org.gridgain.grid.GridException

Enables, disables or clears sampling flag.

Specified by:

globalSampling in interface GridGgfsEx

Parameters:

val - True to turn on sampling, false to turn it off, null to clear sampling state.

Throws:

org.gridgain.grid.GridException - If failed.

globalSampling

@Nullable
public Boolean globalSampling()

Get sampling state.

Specified by:

globalSampling in interface GridGgfsEx

Returns:

True in case sampling is enabled, false otherwise, or null in case sampling flag is not set.

localMetrics

public GridGgfsLocalMetrics localMetrics()

Get local metrics.

Specified by:

localMetrics in interface GridGgfsEx

Returns:

Local metrics.

groupBlockSize

public long groupBlockSize()

Gets group block size, i.e. block size multiplied by group size in affinity mapper.

Specified by:

groupBlockSize in interface GridGgfsEx

Returns:

Group block size.

exists

public boolean exists(org.gridgain.grid.ggfs.GridGgfsPath path)
               throws org.gridgain.grid.GridException

Specified by:

exists in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

info

public org.gridgain.grid.ggfs.GridGgfsFile info(org.gridgain.grid.ggfs.GridGgfsPath path)
                                         throws org.gridgain.grid.GridException

Specified by:

info in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

summary

public org.gridgain.grid.ggfs.GridGgfsPathSummary summary(org.gridgain.grid.ggfs.GridGgfsPath path)
                                                   throws org.gridgain.grid.GridException

Specified by:

summary in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

update

public org.gridgain.grid.ggfs.GridGgfsFile update(org.gridgain.grid.ggfs.GridGgfsPath path,
                                         Map<String,String> props)
                                           throws org.gridgain.grid.GridException

Specified by:

update in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

rename

public void rename(org.gridgain.grid.ggfs.GridGgfsPath src,
          org.gridgain.grid.ggfs.GridGgfsPath dest)
            throws org.gridgain.grid.GridException

Specified by:

rename in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

delete

public boolean delete(org.gridgain.grid.ggfs.GridGgfsPath path,
             boolean recursive)
               throws org.gridgain.grid.GridException

Specified by:

delete in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

mkdirs

public void mkdirs(org.gridgain.grid.ggfs.GridGgfsPath path)
            throws org.gridgain.grid.GridException

Specified by:

mkdirs in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

mkdirs

public void mkdirs(org.gridgain.grid.ggfs.GridGgfsPath path,
          @Nullable
          Map<String,String> props)
            throws org.gridgain.grid.GridException

Specified by:

mkdirs in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

listPaths

public Collection<org.gridgain.grid.ggfs.GridGgfsPath> listPaths(org.gridgain.grid.ggfs.GridGgfsPath path)
                                                          throws org.gridgain.grid.GridException

Specified by:

listPaths in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

listFiles

public Collection<org.gridgain.grid.ggfs.GridGgfsFile> listFiles(org.gridgain.grid.ggfs.GridGgfsPath path)
                                                          throws org.gridgain.grid.GridException

Specified by:

listFiles in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

open

public GridGgfsInputStreamAdapter open(org.gridgain.grid.ggfs.GridGgfsPath path)
                                throws org.gridgain.grid.GridException

Specified by:

open in interface org.gridgain.grid.ggfs.GridGgfs

Specified by:

open in interface GridGgfsEx

Throws:

org.gridgain.grid.GridException

open

public GridGgfsInputStreamAdapter open(org.gridgain.grid.ggfs.GridGgfsPath path,
                              int bufSize)
                                throws org.gridgain.grid.GridException

Specified by:

open in interface org.gridgain.grid.ggfs.GridGgfs

Specified by:

open in interface GridGgfsEx

Throws:

org.gridgain.grid.GridException

open

public GridGgfsInputStreamAdapter open(org.gridgain.grid.ggfs.GridGgfsPath path,
                              int bufSize,
                              int seqReadsBeforePrefetch)
                                throws org.gridgain.grid.GridException

Specified by:

open in interface org.gridgain.grid.ggfs.GridGgfs

Specified by:

open in interface GridGgfsEx

Throws:

org.gridgain.grid.GridException

create

public org.gridgain.grid.ggfs.GridGgfsOutputStream create(org.gridgain.grid.ggfs.GridGgfsPath path,
                                                 boolean overwrite)
                                                   throws org.gridgain.grid.GridException

Specified by:

create in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

create

public org.gridgain.grid.ggfs.GridGgfsOutputStream create(org.gridgain.grid.ggfs.GridGgfsPath path,
                                                 int bufSize,
                                                 boolean overwrite,
                                                 @Nullable
                                                 org.gridgain.grid.GridUuid affKey,
                                                 int replication,
                                                 long blockSize,
                                                 @Nullable
                                                 Map<String,String> props)
                                                   throws org.gridgain.grid.GridException

Specified by:

create in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

append

public org.gridgain.grid.ggfs.GridGgfsOutputStream append(org.gridgain.grid.ggfs.GridGgfsPath path,
                                                 boolean create)
                                                   throws org.gridgain.grid.GridException

Specified by:

append in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

append

public org.gridgain.grid.ggfs.GridGgfsOutputStream append(org.gridgain.grid.ggfs.GridGgfsPath path,
                                                 int bufSize,
                                                 boolean create,
                                                 @Nullable
                                                 Map<String,String> props)
                                                   throws org.gridgain.grid.GridException

Specified by:

append in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

setTimes

public void setTimes(org.gridgain.grid.ggfs.GridGgfsPath path,
            long accessTime,
            long modificationTime)
              throws org.gridgain.grid.GridException

Specified by:

setTimes in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

affinity

public Collection<org.gridgain.grid.ggfs.GridGgfsBlockLocation> affinity(org.gridgain.grid.ggfs.GridGgfsPath path,
                                                                long start,
                                                                long len)
                                                                  throws org.gridgain.grid.GridException

Specified by:

affinity in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

affinity

public Collection<org.gridgain.grid.ggfs.GridGgfsBlockLocation> affinity(org.gridgain.grid.ggfs.GridGgfsPath path,
                                                                long start,
                                                                long len,
                                                                long maxLen)
                                                                  throws org.gridgain.grid.GridException

Specified by:

affinity in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

metrics

public org.gridgain.grid.ggfs.GridGgfsMetrics metrics()
                                               throws org.gridgain.grid.GridException

Specified by:

metrics in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

resetMetrics

public void resetMetrics()

Specified by:

resetMetrics in interface org.gridgain.grid.ggfs.GridGgfs

size

public long size(org.gridgain.grid.ggfs.GridGgfsPath path)
          throws org.gridgain.grid.GridException

Specified by:

size in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

format

public org.gridgain.grid.GridFuture<?> format()
                                       throws org.gridgain.grid.GridException

Specified by:

format in interface org.gridgain.grid.ggfs.GridGgfs

Throws:

org.gridgain.grid.GridException

awaitDeletesAsync

public org.gridgain.grid.GridFuture<?> awaitDeletesAsync()
                                                  throws org.gridgain.grid.GridException

Asynchronously await for all entries existing in trash to be removed.

Specified by:

awaitDeletesAsync in interface GridGgfsEx

Returns:

Future which will be completed when all entries existed in trash by the time of invocation are removed.

Throws:

org.gridgain.grid.GridException - If failed.

execute

public <T,R> org.gridgain.grid.GridFuture<R> execute(org.gridgain.grid.ggfs.mapreduce.GridGgfsTask<T,R> task,
                                            @Nullable
                                            org.gridgain.grid.ggfs.mapreduce.GridGgfsRecordResolver rslvr,
                                            Collection<org.gridgain.grid.ggfs.GridGgfsPath> paths,
                                            @Nullable
                                            T arg)

Specified by:

execute in interface org.gridgain.grid.ggfs.GridGgfs

execute

public <T,R> org.gridgain.grid.GridFuture<R> execute(org.gridgain.grid.ggfs.mapreduce.GridGgfsTask<T,R> task,
                                            @Nullable
                                            org.gridgain.grid.ggfs.mapreduce.GridGgfsRecordResolver rslvr,
                                            Collection<org.gridgain.grid.ggfs.GridGgfsPath> paths,
                                            boolean skipNonExistentFiles,
                                            long maxRangeLen,
                                            @Nullable
                                            T arg)

Specified by:

execute in interface org.gridgain.grid.ggfs.GridGgfs

execute

public <T,R> org.gridgain.grid.GridFuture<R> execute(Class<? extends org.gridgain.grid.ggfs.mapreduce.GridGgfsTask<T,R>> taskCls,
                                            @Nullable
                                            org.gridgain.grid.ggfs.mapreduce.GridGgfsRecordResolver rslvr,
                                            Collection<org.gridgain.grid.ggfs.GridGgfsPath> paths,
                                            @Nullable
                                            T arg)

Specified by:

execute in interface org.gridgain.grid.ggfs.GridGgfs

execute

public <T,R> org.gridgain.grid.GridFuture<R> execute(Class<? extends org.gridgain.grid.ggfs.mapreduce.GridGgfsTask<T,R>> taskCls,
                                            @Nullable
                                            org.gridgain.grid.ggfs.mapreduce.GridGgfsRecordResolver rslvr,
                                            Collection<org.gridgain.grid.ggfs.GridGgfsPath> paths,
                                            boolean skipNonExistentFiles,
                                            long maxRangeSize,
                                            @Nullable
                                            T arg)

Specified by:

execute in interface org.gridgain.grid.ggfs.GridGgfs

evictExclude

public boolean evictExclude(org.gridgain.grid.ggfs.GridGgfsPath path,
                   boolean primary)

Whether this path is excluded from evictions.

Specified by:

evictExclude in interface GridGgfsEx

Parameters:

path - Path.

primary - Whether the mode is PRIMARY.

Returns:

True if path is excluded from evictions.

nextAffinityKey

public org.gridgain.grid.GridUuid nextAffinityKey()

Get next affinity key.

Specified by:

nextAffinityKey in interface GridGgfsEx

Returns:

Next affinity key.

isProxy

public boolean isProxy(URI path)

Check whether the given path is proxy path.

Specified by:

isProxy in interface GridGgfsEx

Parameters:

path - Path.

Returns:

True if proxy.