org.treetank.access

Class IscsiReadTrx

java.lang.Object

org.treetank.access.IscsiReadTrx

All Implemented Interfaces:

IIscsiReadTrx

public class IscsiReadTrx
extends Object
implements IIscsiReadTrx

Author:

Andreas Rain

Field Summary

Fields

Modifier and Type	Field and Description
protected IBucketReadTrx	mPageReadTrx State of transaction including all cached stuff.

Constructor Summary

Constructors

Constructor and Description
IscsiReadTrx(IBucketReadTrx pPageTrx) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Close this transaction
BlockDataElement	getCurrentData() The data that the cursor currently points on
byte[]	getValueOfCurrentData() A quick get method to get the value of the current data.
boolean	isClosed() Check whether or not this transaction has been closed
boolean	moveTo(long pKey) Move the cursor to the given data key
protected void	setPageTransaction(IBucketReadTrx paramTransactionState) Replace the state of the transaction.

Methods inherited from class java.lang.Object

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

Field Detail

mPageReadTrx

protected IBucketReadTrx mPageReadTrx

State of transaction including all cached stuff.

Constructor Detail

IscsiReadTrx

public IscsiReadTrx(IBucketReadTrx pPageTrx)
             throws TTException

Constructor.

Parameters:

pPageTrx - Transaction state to work with.

Throws:

TTException - if something odd happens within the creation process.

Method Detail

moveTo

public boolean moveTo(long pKey)

Move the cursor to the given data key

Specified by:

moveTo in interface IIscsiReadTrx

Returns:

true if successful, false otherwise

getValueOfCurrentData

public byte[] getValueOfCurrentData()

A quick get method to get the value of the current data.

Specified by:

getValueOfCurrentData in interface IIscsiReadTrx

Returns:

the value of the current data

getCurrentData

public BlockDataElement getCurrentData()

The data that the cursor currently points on

Specified by:

getCurrentData in interface IIscsiReadTrx

Returns:

the current data

close

public void close()
           throws TTIOException

Close this transaction

Specified by:

close in interface IIscsiReadTrx

Throws:

TTIOException

isClosed

public boolean isClosed()

Check whether or not this transaction has been closed

Specified by:

isClosed in interface IIscsiReadTrx

Returns:

true if closed, false otherwise

setPageTransaction

protected final void setPageTransaction(IBucketReadTrx paramTransactionState)

Replace the state of the transaction.

Parameters:

paramTransactionState - State of transaction.