Package com.attivio.util.ft

Class TransactionStorage

java.lang.Object

com.attivio.util.ft.TransactionStorage

Direct Known Subclasses:

FileTransactionStorage

public abstract class TransactionStorage
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TransactionStorage.Checkpoint
static class	TransactionStorage.FrameOutputStream
class	TransactionStorage.TransactionInput
static class	TransactionStorage.TransactionOutput

Constructor Summary

Constructors

Constructor	Description
TransactionStorage()

Method Summary

Modifier and Type	Method	Description
TransactionStorage.TransactionOutput	create(java.lang.String name)
protected abstract TransactionStorage.TransactionOutput	doCreate(java.lang.String name)
protected abstract void	doRemove(java.lang.String name)
abstract boolean	exists(java.lang.String name)
abstract TransactionStorage.Checkpoint[]	list(java.lang.String prefix)
java.lang.String[]	listNames()
abstract TransactionStorage.TransactionInput	open(java.lang.String name)
abstract long	ramBytesUsed()
void	remove(java.lang.String name)
void	setStorageLock(StorageLock value)
TransactionStorage.FrameOutputStream	startFrame(byte frameId)
protected void	validateChecksum(int expected, int actual)	Validate a checksum

Methods inherited from class java.lang.Object

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

Constructor Detail

TransactionStorage

public TransactionStorage()

Method Detail

setStorageLock

public void setStorageLock(StorageLock value)

listNames

public final java.lang.String[] listNames()
                                   throws java.io.IOException

Throws:

java.io.IOException

list

public abstract TransactionStorage.Checkpoint[] list(java.lang.String prefix)
                                              throws java.io.IOException

Throws:

java.io.IOException

create

public final TransactionStorage.TransactionOutput create(java.lang.String name)
                                                  throws java.io.IOException

Throws:

java.io.IOException

remove

public final void remove(java.lang.String name)
                  throws java.io.IOException

Throws:

java.io.IOException

ramBytesUsed

public abstract long ramBytesUsed()

doCreate

protected abstract TransactionStorage.TransactionOutput doCreate(java.lang.String name)
                                                          throws java.io.IOException

Throws:

java.io.IOException

open

public abstract TransactionStorage.TransactionInput open(java.lang.String name)
                                                  throws java.io.IOException

Throws:

java.io.IOException

exists

public abstract boolean exists(java.lang.String name)
                        throws java.io.IOException

Throws:

java.io.IOException

doRemove

protected abstract void doRemove(java.lang.String name)
                          throws java.io.IOException

Throws:

java.io.IOException

validateChecksum

protected void validateChecksum(int expected,
                                int actual)
                         throws java.io.IOException

Validate a checksum

Throws:

java.io.IOException

startFrame

public TransactionStorage.FrameOutputStream startFrame(byte frameId)