Package com.semedy.reasoner.edb.persistentstore

Class BplusIndexJsons

java.lang.Object

com.semedy.reasoner.edb.persistentstore.BplusIndexJsons

All Implemented Interfaces:

Closeable, AutoCloseable

public class BplusIndexJsons
extends Object
implements Closeable

Field Summary

Fields

Modifier and Type	Field	Description
JsonFile	_bufferFile	the buffered file for data
BPlusTree<byte[],ByteBuffer>	_keys	the bplus tree for symbols

Constructor Summary

Constructors

Constructor	Description
BplusIndexJsons(int pagesize, String dir, String name, String endtreefile, String enddatafile, boolean compress)
BplusIndexJsons(BPlusTree<byte[],ByteBuffer> btreelong)

Method Summary

Modifier and Type	Method	Description
boolean	checkSanity(String message, boolean shadow)	check sanity of tree
void	cleanUp(String tempPath)	export and import jsons to remove deleted jsons from file
void	clear()	clear store
void	close()	close store
boolean	containsKey(String key)	does it contain a json with key
void	delete()	delete json from store
void	exportJsons(String path)	export all jsons into file
void	exportJsonsAsZip(String path)	export all jsons into file
void	flush()	flush store
String	get(String key)	get json with key
long	getAddress(String key)
void	importJsons(String path)	import jsons from file
long	put(String key, String data)	add json with key key to store
void	readJsonFromStream(InputStream in)	read jsons from stream
boolean	remove(String key)
long	size()	return number of stored jsons
void	transactionBegin()	begin transaction
void	transactionCommit()	commit transaction
void	transactionRollback()	rollback last changes

Methods inherited from class java.lang.Object

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

Field Details

_keys

public BPlusTree<byte[],ByteBuffer> _keys

the bplus tree for symbols

_bufferFile

public JsonFile _bufferFile

the buffered file for data

Constructor Details

BplusIndexJsons

public BplusIndexJsons(int pagesize,
 String dir,
 String name,
 String endtreefile,
 String enddatafile,
 boolean compress)
                throws IOException,
EDBException

Throws:

IOException

EDBException

BplusIndexJsons

public BplusIndexJsons(BPlusTree<byte[],ByteBuffer> btreelong)

Method Details

checkSanity

public boolean checkSanity(String message,
 boolean shadow)
                    throws IOException

check sanity of tree

Returns:

Throws:

IOException

put

public long put(String key,
 String data)
         throws EDBException,
IOException

add json with key key to store

Parameters:

key -

data -

Returns:

Throws:

EDBException

IOException

containsKey

public boolean containsKey(String key)
                    throws IOException

does it contain a json with key

Parameters:

key -

Returns:

Throws:

IOException

get

public String get(String key)
           throws IOException

get json with key

Parameters:

key -

Returns:

Throws:

IOException

getAddress

public long getAddress(String key)
                throws IOException

Throws:

IOException

remove

public boolean remove(String key)
               throws IOException,
EDBException

Throws:

IOException

EDBException

clear

public void clear()
           throws IOException,
EDBException

clear store

Throws:

IOException

EDBException

close

public void close()
           throws IOException

close store

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException

flush

public void flush()
           throws IOException

flush store

Throws:

IOException

delete

public void delete()
            throws IOException

delete json from store

Throws:

IOException

transactionRollback

public void transactionRollback()
                         throws IOException

rollback last changes

Throws:

IOException

transactionBegin

public void transactionBegin()
                      throws IOException

begin transaction

Throws:

IOException

transactionCommit

public void transactionCommit()
                       throws IOException,
EDBException

commit transaction

Throws:

IOException

EDBException

size

public long size()

return number of stored jsons

Returns:

exportJsons

public void exportJsons(String path)
                 throws IOException

export all jsons into file

Parameters:

path -

Throws:

IOException

exportJsonsAsZip

public void exportJsonsAsZip(String path)
                      throws IOException

export all jsons into file

Parameters:

path -

Throws:

IOException

importJsons

public void importJsons(String path)
                 throws FileNotFoundException,
IOException,
EDBException,
org.json.JSONException,
SemReasonerException

import jsons from file

Parameters:

path -

Throws:

FileNotFoundException

IOException

EDBException

org.json.JSONException

SemReasonerException

cleanUp

public void cleanUp(String tempPath)
             throws IOException,
org.json.JSONException,
SemReasonerException

export and import jsons to remove deleted jsons from file

Parameters:

tempPath -

Throws:

IOException

org.json.JSONException

SemReasonerException

readJsonFromStream

public void readJsonFromStream(InputStream in)
                        throws IOException,
EDBException,
org.json.JSONException,
SemReasonerException

read jsons from stream

Parameters:

in -

Throws:

IOException

EDBException

org.json.JSONException

SemReasonerException