com.vaadin.data.util.sqlcontainer.connection

Interface JDBCConnectionPool

All Superinterfaces:

Serializable

All Known Implementing Classes:

J2EEConnectionPool, SimpleJDBCConnectionPool

public interface JDBCConnectionPool
extends Serializable

Interface for implementing connection pools to be used with SQLContainer.

Method Summary

Modifier and Type	Method and Description
void	destroy() Destroys the connection pool: close() is called an all the connections in the pool, whether available or reserved.
void	releaseConnection(Connection conn) Releases a connection that was retrieved earlier.
Connection	reserveConnection() Retrieves a connection.

Method Detail

reserveConnection

Connection reserveConnection()
                      throws SQLException

Retrieves a connection.

Returns:

a usable connection to the database

Throws:

SQLException

releaseConnection

void releaseConnection(Connection conn)

Releases a connection that was retrieved earlier. Note that depending on implementation, the transaction possibly open in the connection may or may not be rolled back.

Parameters:

conn - Connection to be released

destroy

void destroy()

Destroys the connection pool: close() is called an all the connections in the pool, whether available or reserved. This method was added to fix PostgreSQL -related issues with connections that were left hanging 'idle'.