package de.intevation.gnv.geobackend.base.connectionpool;

import java.sql.Connection;
import java.util.Properties;

import de.intevation.gnv.geobackend.base.connectionpool.exception.ConnectionException;

/**
 * Interfacedefinition for an Generic ConnectionPool
 * @author Tim Englich <tim.englich@intevation.de>
 */
public interface ConnectionPool {
	
	/**
	 * Delivers the Connection to the Database
	 * @param connectionID the ID of the Connection 
	 * @return the Connection to the Database
	 * @throws ConnectionException
	 */
	public Connection getConnection(String connectionID) throws ConnectionException;
	
	/**
	 * Returns the Connection to the Pool
	 * @param connection the Connection which should be returned to the Pool
	 * @throws ConnectionException
	 */
	public void closeConnection(Connection connection) throws ConnectionException;
	
	/**
	 * Initializes the ConnectionPool
	 * @param properties The Properties which should be used for initializing theConnectionPool
	 */
	public void initialize(Properties properties);

}