org.helidb.impl.txn.sc
Class SingleFileManager

java.lang.Object
  org.helidb.impl.txn.sc.AbstractFileManager
      org.helidb.impl.txn.sc.SingleFileManager

All Implemented Interfaces:

ShadowCopyTxnDatabaseFileManager

Direct Known Subclasses:

HeapBackendFileManager

public class SingleFileManager
extends AbstractFileManager

This ShadowCopyTxnDatabaseFileManager manages a SingleDatabaseFile.

Since:

1.0

Author:

Karl Gustafsson

In_jar:

helidb-shadow_copy_txn

Constructor Summary

SingleFileManager(ReadWritableFile f, DirectoryView tempDir)
Constructor.

Method Summary

DatabaseFiles	copyDatabaseFiles() Create a copy of the database file(s).
DatabaseFiles	getDatabaseFiles() Get the database files.

Methods inherited from class org.helidb.impl.txn.sc.AbstractFileManager

copyToTempFile

Methods inherited from class java.lang.Object

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

Constructor Detail

SingleFileManager

public SingleFileManager(ReadWritableFile f,
                         DirectoryView tempDir)

Constructor.

Parameters:

f - The database file.

tempDir - A directory where temporary files can be put.

Method Detail

copyDatabaseFiles

public DatabaseFiles copyDatabaseFiles()

Description copied from interface: ShadowCopyTxnDatabaseFileManager

Create a copy of the database file(s).

Returns:

A DatabaseFiles object representing the copied files.

getDatabaseFiles

public DatabaseFiles getDatabaseFiles()

Description copied from interface: ShadowCopyTxnDatabaseFileManager

Get the database files.

When this method is called on an object, it should always return a DatabaseFiles instance representing the same files.

Returns:

The database files.