Db4o ObjectContainer工厂

Posted 2021-02-25

Factory for ObjectContainer for local db4o database

import java.io.File;
 
import com.db4o.ObjectContainer;
import com.db4o.ObjectServer;
import com.db4o.cs.Db4oClientServer;
import com.db4o.cs.config.ServerConfiguration;
 
public abstract class Db4oConnManager {
 
	private static final String DB4O_DB_FILE = "/home/dogrizz/db4o.db";
 
	private final static ObjectServer db;
	static {
		ServerConfiguration conf = Db4oClientServer.newServerConfiguration();
			db = Db4oClientServer.openServer(conf, DB4O_DB_FILE, 0);
 
	}
 
	public static ObjectContainer getManager() {
 
		return db.openClient();
	}
 
	public static void clear() {
		db.close();
		new File(DB4O_DB_FILE).delete();
	}
 
}