org.apache.activemq.kaha.impl.index

Class IndexItem

java.lang.Object

org.apache.activemq.kaha.impl.index.IndexItem

All Implemented Interfaces:

Item, StoreEntry

public class IndexItem
extends Object
implements Item, StoreEntry

A an Item with a relative position and location to other Items in the Store

Field Summary

Fields

Modifier and Type	Field and Description
static int	INDEX_SIZE
static int	INDEXES_ONLY_SIZE
protected long	offset

Fields inherited from interface org.apache.activemq.kaha.impl.data.Item

ACTIVE, FREE, LOCATION_SIZE, MAGIC, POSITION_NOT_SET

Constructor Summary

Constructors

Constructor and Description
IndexItem() Default Constructor

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj)
StoreLocation	getKeyDataItem()
int	getKeyFile()
int	getKeySize()
long	getNextItem()
long	getOffset()
StoreLocation	getValueDataItem()
int	getValueFile()
long	getValueOffset()
int	getValueSize()
int	hashCode()
void	read(DataInput dataIn)
void	setKeyData(StoreLocation item)
void	setKeySize(int keySize)
void	setNextItem(long newNextEntry)
void	setOffset(long offset)
void	setPreviousItem(long newPrevEntry)
void	setValueData(StoreLocation item)
void	setValueOffset(long valueOffset)
void	setValueSize(int valueSize)
String	toString()
void	write(DataOutput dataOut)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

INDEX_SIZE

public static final int INDEX_SIZE

See Also:

Constant Field Values

INDEXES_ONLY_SIZE

public static final int INDEXES_ONLY_SIZE

See Also:

Constant Field Values

offset

protected long offset

Constructor Detail

IndexItem

public IndexItem()

Default Constructor

Method Detail

getKeyDataItem

public StoreLocation getKeyDataItem()

Specified by:

getKeyDataItem in interface StoreEntry

Returns:

See Also:

StoreEntry.getKeyDataItem()

getValueDataItem

public StoreLocation getValueDataItem()

Specified by:

getValueDataItem in interface StoreEntry

Returns:

See Also:

StoreEntry.getValueDataItem()

setValueData

public void setValueData(StoreLocation item)

setKeyData

public void setKeyData(StoreLocation item)

write

public void write(DataOutput dataOut)
           throws IOException

Parameters:

dataOut -

Throws:

IOException

read

public void read(DataInput dataIn)
          throws IOException

Parameters:

dataIn -

Throws:

IOException

setPreviousItem

public void setPreviousItem(long newPrevEntry)

Parameters:

newPrevEntry -

setNextItem

public void setNextItem(long newNextEntry)

Parameters:

newNextEntry -

getNextItem

public long getNextItem()

Specified by:

getNextItem in interface StoreEntry

Returns:

See Also:

StoreEntry.getNextItem()

getKeyFile

public int getKeyFile()

Specified by:

getKeyFile in interface StoreEntry

Returns:

See Also:

StoreEntry.getKeyFile()

getValueFile

public int getValueFile()

Specified by:

getValueFile in interface StoreEntry

Returns:

See Also:

StoreEntry.getValueFile()

getValueOffset

public long getValueOffset()

Specified by:

getValueOffset in interface StoreEntry

Returns:

See Also:

StoreEntry.getValueOffset()

setValueOffset

public void setValueOffset(long valueOffset)

Parameters:

valueOffset - The valueOffset to set.

getOffset

public long getOffset()

Specified by:

getOffset in interface StoreEntry

Returns:

See Also:

StoreEntry.getOffset()

setOffset

public void setOffset(long offset)

Parameters:

offset - The offset to set.

getKeySize

public int getKeySize()

Specified by:

getKeySize in interface StoreEntry

Returns:

See Also:

StoreEntry.getKeySize()

setKeySize

public void setKeySize(int keySize)

getValueSize

public int getValueSize()

Specified by:

getValueSize in interface StoreEntry

Returns:

See Also:

StoreEntry.getValueSize()

setValueSize

public void setValueSize(int valueSize)

toString

public String toString()

Overrides:

toString in class Object

Returns:

print of 'this'

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object