Package org.apache.activemq.store.kahadb.disk.journal

Class Location

java.lang.Object

org.apache.activemq.store.kahadb.disk.journal.Location

All Implemented Interfaces:

Comparable<Location>

public final class Location
extends Object
implements Comparable<Location>

Used as a location in the data store.

Field Summary

Fields

Modifier and Type	Field	Description
static int	NOT_SET
static byte	NOT_SET_TYPE
static byte	USER_TYPE

Constructor Summary

Constructors

Constructor	Description
Location()
Location(int dataFileId, int offset)
Location(Location item)

Method Summary

Modifier and Type	Method	Description
int	compareTo(Location o)
boolean	equals(Object o)
int	getDataFileId()
AtomicReference<IOException>	getException()
CountDownLatch	getLatch()
int	getOffset()
int	getSize()
byte	getType()
int	hashCode()
void	readExternal(DataInput dis)
void	setBatch(org.apache.activemq.store.kahadb.disk.journal.DataFileAppender.WriteBatch batch)
void	setDataFileId(int file)
void	setOffset(int offset)
void	setSize(int size)
void	setType(byte type)
String	toString()
void	writeExternal(DataOutput dos)

Methods inherited from class java.lang.Object

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

Field Detail

USER_TYPE

public static final byte USER_TYPE

See Also:

Constant Field Values

NOT_SET_TYPE

public static final byte NOT_SET_TYPE

See Also:

Constant Field Values

NOT_SET

public static final int NOT_SET

See Also:

Constant Field Values

Constructor Detail

Location

public Location()

Location

public Location(Location item)

Location

public Location(int dataFileId,
                int offset)

Method Detail

getSize

public int getSize()

Returns:

the size of the data record including the header.

setSize

public void setSize(int size)

Parameters:

size - the size of the data record including the header.

getOffset

public int getOffset()

setOffset

public void setOffset(int offset)

getDataFileId

public int getDataFileId()

setDataFileId

public void setDataFileId(int file)

getType

public byte getType()

setType

public void setType(byte type)

toString

public String toString()

Overrides:

toString in class Object

writeExternal

public void writeExternal(DataOutput dos)
                   throws IOException

Throws:

IOException

readExternal

public void readExternal(DataInput dis)
                  throws IOException

Throws:

IOException

getLatch

public CountDownLatch getLatch()

setBatch

public void setBatch(org.apache.activemq.store.kahadb.disk.journal.DataFileAppender.WriteBatch batch)

compareTo

public int compareTo(Location o)

Specified by:

compareTo in interface Comparable<Location>

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

getException

public AtomicReference<IOException> getException()