org.gcube.common.dbinterface.pool

Class DBSession

java.lang.Object

org.gcube.common.dbinterface.pool.DBSession

public class DBSession
extends Object

Author:

Lucio Lelii

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.apache.commons.pool.impl.GenericObjectPool<DBSession>	connectionPool
static String	drivers
static String	entireUrl

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DBSession(Connection conn)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	closeConnection()
void	commit()
static DBSession	connect()
void	disableAutoCommit()
ResultSet	execute(String query, boolean resultSetReuse)
int	executeUpdate(String query)
Connection	getConnection()
DatabaseMetaData	getDBMetadata()
static <QUERY> QUERY	getImplementation(Class<QUERY> type)
PreparedStatement	getPreparedStatement(String sql)
static void	initialize(String basePackage, String username, String passwd, String dbPath)
static void	initialize(String basePackage, String username, String passwd, String dbPath, int maxActiveConnections)
boolean	isConnectionClosed()
void	release()
void	rollback()

Methods inherited from class java.lang.Object

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

Field Detail

connectionPool

protected static org.apache.commons.pool.impl.GenericObjectPool<DBSession> connectionPool

drivers

public static String drivers

entireUrl

public static String entireUrl

Constructor Detail

DBSession

protected DBSession(Connection conn)

Method Detail

initialize

public static void initialize(String basePackage,
              String username,
              String passwd,
              String dbPath)
                       throws Exception

Throws:

Exception

initialize

public static void initialize(String basePackage,
              String username,
              String passwd,
              String dbPath,
              int maxActiveConnections)
                       throws Exception

Throws:

Exception

connect

public static DBSession connect()
                         throws Exception

Throws:

Exception

release

public void release()

closeConnection

protected void closeConnection()
                        throws Exception

Throws:

Exception

isConnectionClosed

public boolean isConnectionClosed()
                           throws Exception

Throws:

Exception

disableAutoCommit

public void disableAutoCommit()
                       throws Exception

Throws:

Exception

commit

public void commit()
            throws Exception

Throws:

Exception

rollback

public void rollback()
              throws Exception

Throws:

Exception

execute

public ResultSet execute(String query,
                boolean resultSetReuse)
                  throws SQLException

Throws:

SQLException

executeUpdate

public int executeUpdate(String query)
                  throws SQLException

Throws:

SQLException

getPreparedStatement

public PreparedStatement getPreparedStatement(String sql)
                                       throws SQLException

Throws:

SQLException

getImplementation

public static <QUERY> QUERY getImplementation(Class<QUERY> type)
                               throws Exception

Throws:

Exception

getDBMetadata

public DatabaseMetaData getDBMetadata()
                               throws Exception

Throws:

Exception

getConnection

public Connection getConnection()