com.vaadin.data.util.sqlcontainer.connection.J2EEConnectionPool API 7.7.16 | Vaadin

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com.vaadin.data.util.sqlcontainer.connection.

java.lang.Object
- com.vaadin.data.util.sqlcontainer.connection.J2EEConnectionPool

All Implemented Interfaces:

JDBCConnectionPool, Serializable
```
public class J2EEConnectionPool
extends Object
implements JDBCConnectionPool
```
See Also:

Serialized Form

Constructor Summary

Constructors
Constructor and Description

J2EEConnectionPool(DataSource dataSource)

J2EEConnectionPool(String dataSourceJndiName)

Method Summary

All Methods
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.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - J2EEConnectionPool
```
public J2EEConnectionPool(DataSource dataSource)
```
  - J2EEConnectionPool
```
public J2EEConnectionPool(String dataSourceJndiName)
```
- Method Detail
  - reserveConnection
```
public Connection reserveConnection()
                             throws SQLException
```
    Description copied from interface: JDBCConnectionPool
    
    Retrieves a connection.
    
    Specified by:
    
    reserveConnection in interface JDBCConnectionPool
    
    Returns:
    
    a usable connection to the database
    
    Throws:
    
    SQLException
  - releaseConnection
```
public void releaseConnection(Connection conn)
```
    Description copied from interface: JDBCConnectionPool
    
    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.
    
    Specified by:
    
    releaseConnection in interface JDBCConnectionPool
    
    Parameters:
    
    conn - Connection to be released
  - destroy
```
public void destroy()
```
    Description copied from interface: JDBCConnectionPool
    
    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'.
    
    Specified by:
    
    destroy in interface JDBCConnectionPool