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

Class DataFile

java.lang.Object

org.apache.activemq.store.kahadb.disk.util.LinkedNode<DataFile>

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

All Implemented Interfaces:

Comparable<DataFile>

Direct Known Subclasses:

ReadOnlyDataFile

public class DataFile
extends LinkedNode<DataFile>
implements Comparable<DataFile>

DataFile

Field Summary

Fields

Modifier and Type	Field and Description
protected RecoverableRandomAccessFile	appendRandomAccessFile
protected SequenceSet	corruptedBlocks
protected Integer	dataFileId
protected File	file
protected int	length
static byte	STANDARD_LOG_FILE
protected int	typeCode

Fields inherited from class org.apache.activemq.store.kahadb.disk.util.LinkedNode

list, next, prev

Method Summary

Modifier and Type	Method and Description
RecoverableRandomAccessFile	appendRandomAccessFile()
void	closeRandomAccessFile(RecoverableRandomAccessFile file)
int	compareTo(DataFile df)
void	decrementLength(int size)
boolean	delete()
boolean	equals(Object o)
SequenceSet	getCorruptedBlocks()
Integer	getDataFileId()
File	getFile()
int	getLength()
int	getTypeCode()
int	hashCode()
void	incrementLength(int size)
void	move(File targetDirectory)
RecoverableRandomAccessFile	openRandomAccessFile()
void	setLength(int length)
void	setTypeCode(int typeCode)
String	toString()

Methods inherited from class org.apache.activemq.store.kahadb.disk.util.LinkedNode

getHeadNode, getList, getNext, getNextCircular, getPrevious, getPreviousCircular, getTailNode, isHeadNode, isLinked, isTailNode, linkAfter, linkAfter, linkBefore, linkBefore, linkToHead, linkToTail, splitAfter, splitBefore, unlink

Methods inherited from class java.lang.Object

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

Field Detail

STANDARD_LOG_FILE

public static final byte STANDARD_LOG_FILE

See Also:

Constant Field Values

file

protected final File file

dataFileId

protected final Integer dataFileId

length

protected volatile int length

typeCode

protected int typeCode

corruptedBlocks

protected final SequenceSet corruptedBlocks

appendRandomAccessFile

protected RecoverableRandomAccessFile appendRandomAccessFile

Method Detail

getFile

public File getFile()

getDataFileId

public Integer getDataFileId()

getTypeCode

public int getTypeCode()

setTypeCode

public void setTypeCode(int typeCode)

getLength

public int getLength()

setLength

public void setLength(int length)

incrementLength

public void incrementLength(int size)

decrementLength

public void decrementLength(int size)

toString

public String toString()

Overrides:

toString in class Object

appendRandomAccessFile

public RecoverableRandomAccessFile appendRandomAccessFile()
                                                   throws IOException

Throws:

IOException

openRandomAccessFile

public RecoverableRandomAccessFile openRandomAccessFile()
                                                 throws IOException

Throws:

IOException

closeRandomAccessFile

public void closeRandomAccessFile(RecoverableRandomAccessFile file)
                           throws IOException

Throws:

IOException

delete

public boolean delete()
               throws IOException

Throws:

IOException

move

public void move(File targetDirectory)
          throws IOException

Throws:

IOException

getCorruptedBlocks

public SequenceSet getCorruptedBlocks()

compareTo

public int compareTo(DataFile df)

Specified by:

compareTo in interface Comparable<DataFile>

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object