de.hu.berlin.wbi.objects

Class DatabaseConnection

java.lang.Object

de.hu.berlin.wbi.objects.DatabaseConnection

public class DatabaseConnection
extends Object

Convenience class for database communication

Author:

Philippe Thomas

Field Summary

Fields

Modifier and Type	Field and Description
protected Connection	conn
protected Statement	stmt

Constructor Summary

Constructors

Constructor and Description
DatabaseConnection(Properties property) Set up a database connection, by using a java-property object
DatabaseConnection(String user, String password, String database, String host, String driver) Set up a database connection by providing all reelevant connection information

Method Summary

Modifier and Type	Method and Description
void	closeQuery() Close resultset
void	connect() Connects with database
void	disconnect() Disconnects from database
Connection	getConn()
ResultSet	getRs()
void	query(String query) Wrapper for querying the database
String	toString() Returns a string representation of the object

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

conn

protected Connection conn

stmt

protected Statement stmt

Constructor Detail

DatabaseConnection

public DatabaseConnection(String user,
                          String password,
                          String database,
                          String host,
                          String driver)

Set up a database connection by providing all reelevant connection information

Parameters:

user - Username

password - Userpassword

database - database name

host - hostname

driver - JDBC-driver

DatabaseConnection

public DatabaseConnection(Properties property)

Set up a database connection, by using a java-property object

Parameters:

property - -- contains database properties

Method Detail

query

public void query(String query)

Wrapper for querying the database

Parameters:

query - Query String

closeQuery

public void closeQuery()

Close resultset

connect

public void connect()

Connects with database

disconnect

public void disconnect()

Disconnects from database

getRs

public ResultSet getRs()

getConn

public Connection getConn()

toString

public String toString()

Returns a string representation of the object

Overrides:

toString in class Object

Returns:

a string representation of the object