org.helidb.impl.txn.sc
Class SingleFileAndProxiedFileManager

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

All Implemented Interfaces:

ShadowCopyTxnDatabaseFileManager

Direct Known Subclasses:

BPlusTreeIndexFileManager

public class SingleFileAndProxiedFileManager
extends AbstractFileManager

This ShadowCopyTxnDatabaseFileManager contains a SingleAndProxiedDatabaseFile and a proxied file manager for managing the proxied file.

Since:

1.0

Author:

Karl Gustafsson

In_jar:

helidb-shadow_copy_txn

Constructor Summary

SingleFileAndProxiedFileManager(ShadowCopyTxnDatabaseFileManager proxied, 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

SingleFileAndProxiedFileManager

public SingleFileAndProxiedFileManager(ShadowCopyTxnDatabaseFileManager proxied,
                                       ReadWritableFile f,
                                       DirectoryView tempDir)

Constructor.

Parameters:

proxied - The proxied file manager.

f - The database file managed by this object.

tempDir - A directory where temporary data can be stored.

Method Detail

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.

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.