at.chrl.database.dao

Interface DAO

public interface DAO

This class represents basic DAO. It should be subclasses by abstract class and that class has to implement method getClassName().
This class must return Class.getName(), getClassName() should be final.
DAO subclass must have public no-arg constructor, in other case InstantiationException will be thrown by DAOManager

Author:

SoulKeeper

Method Summary

Modifier and Type	Method and Description
String	getClassName() Unique identifier for DAO class, all subclasses must have same identifiers.
boolean	supports(String databaseName, int majorVersion, int minorVersion) Returns true if DAO implementation supports database or false if not.

Method Detail

getClassName

String getClassName()

Unique identifier for DAO class, all subclasses must have same identifiers. Must return Class.getName() of abstract class

Returns:

identifier of DAO class

supports

boolean supports(String databaseName,
                 int majorVersion,
                 int minorVersion)

Returns true if DAO implementation supports database or false if not. Database information is provided by DatabaseMetaData

Parameters:

databaseName - name of database

majorVersion - major version of database

minorVersion - minor version of database

Returns:

true if database is supported or false in other case