org.exist.storage.dom
Class DOMFile.DOMFilePageHeader

java.lang.Object
  org.exist.storage.btree.Paged.PageHeader
      org.exist.storage.btree.BTree.BTreePageHeader
          org.exist.storage.dom.DOMFile.DOMFilePageHeader

Enclosing class:

DOMFile

protected static final class DOMFile.DOMFilePageHeader

extends BTree.BTreePageHeader

Field Summary

protected int	dataLen
protected long	nextDataPage
protected long	prevDataPage
protected short	records
protected short	tid

Constructor Summary

DOMFile.DOMFilePageHeader()

DOMFile.DOMFilePageHeader(byte[] data, int offset)

Method Summary

void	decRecordCount()
short	getCurrentTID()
int	getDataLength()
long	getNextDataPage()
short	getNextTID()
long	getPrevDataPage()
short	getRecordCount()
boolean	hasRoom()
void	incRecordCount()
int	read(byte[] data, int offset)
void	setDataLength(int len)
void	setNextDataPage(long page)
void	setNextTID(short tid)
void	setPrevDataPage(long page)
void	setRecordCount(short recs)
int	write(byte[] data, int offset)

Methods inherited from class org.exist.storage.btree.BTree.BTreePageHeader

getPointerCount, getValueCount, setValueCount

Methods inherited from class org.exist.storage.btree.Paged.PageHeader

getDataLen, getLsn, getNextPage, getStatus, isDirty, setDataLen, setDirty, setLsn, setNextPage, setStatus

Methods inherited from class java.lang.Object

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

Field Detail

dataLen

protected int dataLen

nextDataPage

protected long nextDataPage

prevDataPage

protected long prevDataPage

tid

protected short tid

records

protected short records

Constructor Detail

DOMFile.DOMFilePageHeader

public DOMFile.DOMFilePageHeader()

DOMFile.DOMFilePageHeader

public DOMFile.DOMFilePageHeader(byte[] data,
                                 int offset)
                          throws java.io.IOException

Method Detail

decRecordCount

public void decRecordCount()

getCurrentTID

public short getCurrentTID()

getNextTID

public short getNextTID()

hasRoom

public boolean hasRoom()

setNextTID

public void setNextTID(short tid)

getDataLength

public int getDataLength()

getNextDataPage

public long getNextDataPage()

getPrevDataPage

public long getPrevDataPage()

getRecordCount

public short getRecordCount()

incRecordCount

public void incRecordCount()

read

public int read(byte[] data,
                int offset)
         throws java.io.IOException

Overrides:

read in class BTree.BTreePageHeader

Throws:

java.io.IOException

write

public int write(byte[] data,
                 int offset)
          throws java.io.IOException

Overrides:

write in class BTree.BTreePageHeader

Throws:

java.io.IOException

setDataLength

public void setDataLength(int len)

setNextDataPage

public void setNextDataPage(long page)

setPrevDataPage

public void setPrevDataPage(long page)

setRecordCount

public void setRecordCount(short recs)