net.thevpc.nuts.runtime.standalone.collections

Class NPageStoreMem

java.lang.Object

net.thevpc.nuts.runtime.standalone.collections.NPageStoreMem

All Implemented Interfaces:

AutoCloseable, NPageStore

public class NPageStoreMem
extends Object
implements NPageStore

Constructor Summary

Constructors

Constructor and Description
NPageStoreMem(int pageSize)

Method Summary

Modifier and Type	Method and Description
long	allocatePage()
void	close()
void	flush()
void	freePage(long pageId)
long	getUserData(int index)
int	pageSize()
void	readPage(long pageId, ByteBuffer buffer)
void	setUserData(int index, long value)
void	writePage(long pageId, ByteBuffer buffer)

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.thevpc.nuts.io.NPageStore

ofFile, ofFile, ofInMemory, ofInMemory

Constructor Detail

NPageStoreMem

public NPageStoreMem(int pageSize)

Method Detail

pageSize

public int pageSize()

Specified by:

pageSize in interface NPageStore

allocatePage

public long allocatePage()
                  throws IOException

Specified by:

allocatePage in interface NPageStore

Throws:

IOException

readPage

public void readPage(long pageId,
                     ByteBuffer buffer)
              throws IOException

Specified by:

readPage in interface NPageStore

Throws:

IOException

writePage

public void writePage(long pageId,
                      ByteBuffer buffer)
               throws IOException

Specified by:

writePage in interface NPageStore

Throws:

IOException

freePage

public void freePage(long pageId)
              throws IOException

Specified by:

freePage in interface NPageStore

Throws:

IOException

getUserData

public long getUserData(int index)

Specified by:

getUserData in interface NPageStore

setUserData

public void setUserData(int index,
                        long value)

Specified by:

setUserData in interface NPageStore

flush

public void flush()
           throws IOException

Specified by:

flush in interface NPageStore

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface NPageStore

Throws:

IOException