de.uni_leipzig.asv.utils

Class DBConnection

java.lang.Object

de.uni_leipzig.asv.utils.DBConnection

public class DBConnection
extends Object

This class represents a connection to a DB and can receive and process queries.

Field Summary

Fields

Modifier and Type	Field and Description
protected Connection	connection The real connection around which this class is wrapped

Constructor Summary

Constructors

Constructor and Description
DBConnection(String URL, String user, String passwd) Construct an instance of this Object which can then execute queries on the DB

Method Summary

Methods

Modifier and Type	Method and Description
ResultSet	executeQuery(String query) Returns a String array containing the resulting table from the query, null if there was some problem with the query.
int	executeUpdate(String query)
boolean	isConnected()
static void	main(String[] args)
String	toString() Overridden toString method to get some status information as well.

Methods inherited from class java.lang.Object

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

Field Detail

connection

protected Connection connection

The real connection around which this class is wrapped

Constructor Detail

DBConnection

public DBConnection(String URL,
            String user,
            String passwd)
             throws IOWrapperException

Construct an instance of this Object which can then execute queries on the DB

Throws:

IOWrapperException

Method Detail

isConnected

public boolean isConnected()

executeQuery

public ResultSet executeQuery(String query)

Returns a String array containing the resulting table from the query, null if there was some problem with the query.

executeUpdate

public int executeUpdate(String query)
                  throws Exception

Throws:

Exception

toString

public String toString()

Overridden toString method to get some status information as well.

Overrides:

toString in class Object

main

public static void main(String[] args)
                 throws IOWrapperException

Throws:

IOWrapperException