Package com.semedy.reasoner.edb.persistentstore

Class BplusIndexBytes

java.lang.Object

com.semedy.reasoner.edb.persistentstore.BplusIndexBytes

All Implemented Interfaces:

Closeable, AutoCloseable

public class BplusIndexBytes
extends Object
implements Closeable

Field Summary

Fields

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
boolean	checkSanity(String message, boolean shadow)	check sanity of tree
void	clear()
void	close()
boolean	containsKey(byte[] key, boolean shadow)
void	delete()
void	flush()
byte[]	get(byte[] key)
byte[]	get(long address)
long	getAddress(byte[] key, boolean shadow)
BPlusTree<byte[],ByteBuffer>	getKeys()
boolean	isBulkMode()
long	put(byte[] key, byte[] data, boolean shadow)
long	putData(byte[] data)	Write data to data file
void	remove(byte[] key, boolean shadow)
void	rollback()
void	setBulkMode(boolean mode)
long	size()
void	transactionBegin()
void	transactionCommit()
void	transactionRollback()

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 DataFile _bufferFile

the buffered file for data

Constructor Details

BplusIndexBytes

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

Throws:

IOException

EDBException

BplusIndexBytes

public BplusIndexBytes(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(byte[] key,
 byte[] data,
 boolean shadow)
         throws IOException,
EDBException

Throws:

IOException

EDBException

get

public byte[] get(long address)
           throws IOException

Throws:

IOException

get

public byte[] get(byte[] key)
           throws IOException

Throws:

IOException

getAddress

public long getAddress(byte[] key,
 boolean shadow)
                throws IOException

Throws:

IOException

remove

public void remove(byte[] key,
 boolean shadow)
            throws IOException,
EDBException

Throws:

IOException

EDBException

containsKey

public boolean containsKey(byte[] key,
 boolean shadow)
                    throws IOException

Throws:

IOException

putData

public long putData(byte[] data)
             throws IOException

Write data to data file

Parameters:

data -

Returns:

Throws:

IOException

setBulkMode

public void setBulkMode(boolean mode)
                 throws IOException,
EDBException

Throws:

IOException

EDBException

isBulkMode

public boolean isBulkMode()

clear

public void clear()
           throws IOException,
EDBException

Throws:

IOException

EDBException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException

flush

public void flush()
           throws IOException

Throws:

IOException

delete

public void delete()
            throws IOException

Throws:

IOException

transactionRollback

public void transactionRollback()
                         throws IOException

Throws:

IOException

transactionBegin

public void transactionBegin()
                      throws IOException

Throws:

IOException

transactionCommit

public void transactionCommit()
                       throws IOException,
EDBException

Throws:

IOException

EDBException

size

public long size()

getKeys

public BPlusTree<byte[],ByteBuffer> getKeys()

rollback

public void rollback()