org.treetank.access

Class FilelistenerReadTrx

java.lang.Object

org.treetank.access.FilelistenerReadTrx

All Implemented Interfaces:

IFilelistenerReadTrx

public class FilelistenerReadTrx
extends Object
implements IFilelistenerReadTrx

Author:

Andreas Rain

Field Summary

Fields

Modifier and Type	Field and Description
static long	emptyFileKey A special Key for empty files
protected IBucketReadTrx	mPageReadTrx State of transaction including all cached stuff.

Constructor Summary

Constructors

Constructor and Description
FilelistenerReadTrx(IBucketReadTrx pPageTrx) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	assertNotClosed() Make sure that the session is not yet closed when calling this method.
void	close() Close this transaction
boolean	fileExists(String pRelativePath) The returned array consists of all the relative paths there are in the storage.
int	getCount()
String[]	getFilePaths() The returned array consists of all the relative paths there are in the storage.
File	getFullFile(String pRelativePath) This method allows you to get a full file using the node key of the header
boolean	isClosed() Check whether or not this transaction has been closed
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.

emptyFileKey

public static final long emptyFileKey

A special Key for empty files

See Also:

Constant Field Values

Constructor Detail

FilelistenerReadTrx

public FilelistenerReadTrx(IBucketReadTrx pPageTrx)
                    throws TTException

Constructor.

Parameters:

pPageTrx - Transaction state to work with.

Throws:

TTIOException - if something odd happens within the creation process.

TTException

Method Detail

getFilePaths

public String[] getFilePaths()

The returned array consists of all the relative paths there are in the storage.

Specified by:

getFilePaths in interface IFilelistenerReadTrx

Returns:

fileExists

public boolean fileExists(String pRelativePath)

The returned array consists of all the relative paths there are in the storage.

Specified by:

fileExists in interface IFilelistenerReadTrx

Returns:

getFullFile

public File getFullFile(String pRelativePath)
                 throws TTIOException,
                        IOException

This method allows you to get a full file using the node key of the header

Specified by:

getFullFile in interface IFilelistenerReadTrx

Returns:

true if successful, false otherwise

Throws:

TTIOException

IOException

getCount

public int getCount()

Specified by:

getCount in interface IFilelistenerReadTrx

Returns:

int - amount of buckets

close

public void close()
           throws TTIOException

Close this transaction

Specified by:

close in interface IFilelistenerReadTrx

Throws:

TTIOException

isClosed

public boolean isClosed()

Check whether or not this transaction has been closed

Specified by:

isClosed in interface IFilelistenerReadTrx

Returns:

true if closed, false otherwise

assertNotClosed

protected final void assertNotClosed()

Make sure that the session is not yet closed when calling this method.

setPageTransaction

protected final void setPageTransaction(IBucketReadTrx paramTransactionState)

Replace the state of the transaction.

Parameters:

paramTransactionState - State of transaction.