nl.renarj.jasdb.core.storage.datablocks.impl

Class DataBlockHeaderImpl

java.lang.Object

nl.renarj.jasdb.core.storage.datablocks.impl.DataBlockHeaderImpl

All Implemented Interfaces:

DataBlockHeader

public class DataBlockHeaderImpl
extends Object
implements DataBlockHeader

Author:

Renze de Vries

Field Summary

Fields

Modifier and Type	Field and Description
static int	MARKER_INDEX
static int	NEXT_INDEX
static int	NEXTSTREAM_INDEX
static int	PREVIOUS_INDEX

Fields inherited from interface nl.renarj.jasdb.core.storage.datablocks.DataBlockHeader

HEADER_SIZE

Constructor Summary

Constructors

Constructor and Description
DataBlockHeaderImpl(ByteBuffer byteBuffer)

Method Summary

Modifier and Type	Method and Description
int	getInt(int offset)
long	getLong(int offset)
long	getNext()
long	getNextStream()
long	getPrevious()
void	incrementMarker(int amount)
int	marker()
int	markerWithHeader()
void	putInt(int offset, int value)
void	putLong(int offset, long value)
void	resetMarker()
void	setNext(long next)
void	setNextStream(long nextStreamLocation)
void	setPrevious(long previous)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

PREVIOUS_INDEX

public static final int PREVIOUS_INDEX

See Also:

Constant Field Values

NEXT_INDEX

public static final int NEXT_INDEX

See Also:

Constant Field Values

NEXTSTREAM_INDEX

public static final int NEXTSTREAM_INDEX

See Also:

Constant Field Values

MARKER_INDEX

public static final int MARKER_INDEX

See Also:

Constant Field Values

Constructor Detail

DataBlockHeaderImpl

public DataBlockHeaderImpl(ByteBuffer byteBuffer)

Method Detail

getNext

public long getNext()

Specified by:

getNext in interface DataBlockHeader

getPrevious

public long getPrevious()

Specified by:

getPrevious in interface DataBlockHeader

setNext

public void setNext(long next)

Specified by:

setNext in interface DataBlockHeader

setPrevious

public void setPrevious(long previous)

Specified by:

setPrevious in interface DataBlockHeader

marker

public int marker()

Specified by:

marker in interface DataBlockHeader

markerWithHeader

public int markerWithHeader()

Specified by:

markerWithHeader in interface DataBlockHeader

setNextStream

public void setNextStream(long nextStreamLocation)

Specified by:

setNextStream in interface DataBlockHeader

getNextStream

public long getNextStream()

Specified by:

getNextStream in interface DataBlockHeader

incrementMarker

public void incrementMarker(int amount)

Specified by:

incrementMarker in interface DataBlockHeader

resetMarker

public void resetMarker()

Specified by:

resetMarker in interface DataBlockHeader

putLong

public void putLong(int offset,
                    long value)
             throws JasDBStorageException

Specified by:

putLong in interface DataBlockHeader

Throws:

JasDBStorageException

putInt

public void putInt(int offset,
                   int value)
            throws JasDBStorageException

Specified by:

putInt in interface DataBlockHeader

Throws:

JasDBStorageException

getLong

public long getLong(int offset)
             throws JasDBStorageException

Specified by:

getLong in interface DataBlockHeader

Throws:

JasDBStorageException

getInt

public int getInt(int offset)
           throws JasDBStorageException

Specified by:

getInt in interface DataBlockHeader

Throws:

JasDBStorageException

toString

public String toString()

Overrides:

toString in class Object