pedviz.loader
Interface Database

All Known Implementing Classes:

HSQLDatabase, MultiDatabase, MySQLDatabase, PostgreSQLDatabase

public interface Database

Implementations of this interface represent a database. progress.

Author:

lukas forer

Method Summary

void	close() Closes the db connection.
boolean	connect(java.lang.String user, java.lang.String password, java.lang.String host) Connects to the db with the given username, password and host.
java.sql.ResultSet	executeQuerie(java.lang.String querie) Executes the given Querie.
java.sql.Connection	getConnection() Returns the connection.
java.lang.String	getInfo() Returns some informations about the db.
boolean	isConnected() Returns true, if the db is connected.

Method Detail

connect

boolean connect(java.lang.String user,
                java.lang.String password,
                java.lang.String host)

Connects to the db with the given username, password and host.

Parameters:

user -

password -

host -

Returns:

true, if the connection is ok.

close

void close()

Closes the db connection.

isConnected

boolean isConnected()

Returns true, if the db is connected.

Returns:

true, if the db is connected.

getInfo

java.lang.String getInfo()

Returns some informations about the db.

Returns:

some informations about the db.

executeQuerie

java.sql.ResultSet executeQuerie(java.lang.String querie)

Executes the given Querie.

Parameters:

querie -

Returns:

result

getConnection

java.sql.Connection getConnection()

Returns the connection.

Returns:

connection