org.gridgain.grid.kernal.processors.ggfs

Interface GridGgfsEx

All Superinterfaces:

org.gridgain.grid.ggfs.GridGgfs

All Known Implementing Classes:

GridGgfsImpl

public interface GridGgfsEx
extends org.gridgain.grid.ggfs.GridGgfs

Internal API extension for GridGgfs.

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
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.
GridGgfsContext	context()
boolean	evictExclude(org.gridgain.grid.ggfs.GridGgfsPath path, boolean primary) Whether this path is excluded from evictions.
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.
boolean	isProxy(URI path) Check whether the given path is proxy path.
GridGgfsLocalMetrics	localMetrics() Get local metrics.
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	stop() Stops GGFS cleaning all used resources.

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

affinity, affinity, append, append, configuration, create, create, delete, execute, execute, execute, execute, exists, format, info, listFiles, listPaths, metrics, mkdirs, mkdirs, name, rename, resetMetrics, setTimes, size, summary, update

Method Detail

stop

void stop()

Stops GGFS cleaning all used resources.

context

GridGgfsContext context()

Returns:

GGFS context.

proxyPaths

GridGgfsPaths proxyPaths()

Get handshake message.

Returns:

Handshake message.

open

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

Throws:

org.gridgain.grid.GridException

open

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

Specified by:

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

Throws:

org.gridgain.grid.GridException

open

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

Throws:

org.gridgain.grid.GridException

globalSpace

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

Gets global space counters.

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

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

Enables, disables or clears sampling flag.

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
Boolean globalSampling()

Get sampling state.

Returns:

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

localMetrics

GridGgfsLocalMetrics localMetrics()

Get local metrics.

Returns:

Local metrics.

groupBlockSize

long groupBlockSize()

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

Returns:

Group block size.

awaitDeletesAsync

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

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

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.

clientLogDirectory

@Nullable
String clientLogDirectory()

Gets client file system log directory.

Returns:

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

clientLogDirectory

void clientLogDirectory(String logDir)

Sets client file system log directory.

Parameters:

logDir - Client file system log directory.

evictExclude

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

Whether this path is excluded from evictions.

Parameters:

path - Path.

primary - Whether the mode is PRIMARY.

Returns:

True if path is excluded from evictions.

nextAffinityKey

org.gridgain.grid.GridUuid nextAffinityKey()

Get next affinity key.

Returns:

Next affinity key.

isProxy

boolean isProxy(URI path)

Check whether the given path is proxy path.

Parameters:

path - Path.

Returns:

True if proxy.