com.db4o

Interface EmbeddedObjectContainer

All Superinterfaces:

ObjectContainer

All Known Implementing Classes:

IoAdaptedObjectContainer, LocalObjectContainer, TransportObjectContainer

public interface EmbeddedObjectContainer
extends ObjectContainer

Represents a local ObjectContainer attached to a database file.

Since:

7.10

Method Summary

Methods

Modifier and Type	Method and Description
void	backup(java.lang.String path) backs up a database file of an open ObjectContainer.

Methods inherited from interface com.db4o.ObjectContainer

activate, close, commit, deactivate, delete, ext, query, query, query, query, query, queryByExample, rollback, store

Method Detail

backup

void backup(java.lang.String path)
            throws Db4oIOException,
                   DatabaseClosedException,
                   NotSupportedException

backs up a database file of an open ObjectContainer.

While the backup is running, the ObjectContainer can continue to be used. Changes that are made while the backup is in progress, will be applied to the open ObjectContainer and to the backup.

While the backup is running, the ObjectContainer should not be closed.

If a file already exists at the specified path, it will be overwritten.

The Storage used for backup is the one configured for this container.

Parameters:

path - a fully qualified path

Throws:

DatabaseClosedException - db4o database file was closed or failed to open.

NotSupportedException - is thrown when the operation is not supported in current configuration/environment

Db4oIOException - I/O operation failed or was unexpectedly interrupted.