Package org.apache.jackrabbit.oak.index.indexer.document.tree.store

Class StatsStore

java.lang.Object

org.apache.jackrabbit.oak.index.indexer.document.tree.store.StatsStore

All Implemented Interfaces:

Store

public class StatsStore
extends Object
implements Store

A wrapper store that allows capturing performance counters for a storage backend.

Field Summary

Fields inherited from interface org.apache.jackrabbit.oak.index.indexer.document.tree.store.Store

DEFAULT_MAX_FILE_SIZE_BYTES, MAX_FILE_SIZE_BYTES

Method Summary

Modifier and Type	Method	Description
void	close()	Close the store
byte[]	getBytes(String key)
Properties	getConfig()
PageFile	getIfExists(String key)	Get a file if it exists
long	getMaxFileSizeBytes()	Get the maximum file size configured.
long	getReadCount()	Get the number of files read.
long	getWriteCount()	Get the number of files written.
Set<String>	keySet()	Get the list of files.
String	newFileName()	Generate a new file name.
void	put(String key, PageFile value)	Storage a file.
void	putBytes(String key, byte[] data)
void	remove(Set<String> set)	Remove a number of files.
void	removeAll()	Remove all files.
void	setWriteCompression(Compression compression)	Set the compression algorithm used for writing from now on.
boolean	supportsByteOperations()
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.jackrabbit.oak.index.indexer.document.tree.store.Store

get

Method Detail

toString

public String toString()

Overrides:

toString in class Object

getIfExists

public PageFile getIfExists(String key)

Description copied from interface: Store

Get a file if it exists

Specified by:

getIfExists in interface Store

Parameters:

key - the file name

Returns:

the file, or null

put

public void put(String key,
                PageFile value)

Description copied from interface: Store

Storage a file.

Specified by:

put in interface Store

Parameters:

key - the file name

value - the file

newFileName

public String newFileName()

Description copied from interface: Store

Generate a new file name.

Specified by:

newFileName in interface Store

Returns:

keySet

public Set<String> keySet()

Description copied from interface: Store

Get the list of files.

Specified by:

keySet in interface Store

Returns:

the result

remove

public void remove(Set<String> set)

Description copied from interface: Store

Remove a number of files.

Specified by:

remove in interface Store

Parameters:

set - the result

removeAll

public void removeAll()

Description copied from interface: Store

Remove all files.

Specified by:

removeAll in interface Store

getWriteCount

public long getWriteCount()

Description copied from interface: Store

Get the number of files written.

Specified by:

getWriteCount in interface Store

Returns:

the result

getReadCount

public long getReadCount()

Description copied from interface: Store

Get the number of files read.

Specified by:

getReadCount in interface Store

Returns:

the result

setWriteCompression

public void setWriteCompression(Compression compression)

Description copied from interface: Store

Set the compression algorithm used for writing from now on.

Specified by:

setWriteCompression in interface Store

Parameters:

compression - the compression algorithm

close

public void close()

Description copied from interface: Store

Close the store

Specified by:

close in interface Store

getConfig

public Properties getConfig()

Specified by:

getConfig in interface Store

supportsByteOperations

public boolean supportsByteOperations()

Specified by:

supportsByteOperations in interface Store

getBytes

public byte[] getBytes(String key)

Specified by:

getBytes in interface Store

putBytes

public void putBytes(String key,
                     byte[] data)

Specified by:

putBytes in interface Store

getMaxFileSizeBytes

public long getMaxFileSizeBytes()

Description copied from interface: Store

Get the maximum file size configured.

Specified by:

getMaxFileSizeBytes in interface Store

Returns:

the file size, in bytes