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package org.postgresql.jdbc3;
import org.postgresql.jdbc2.optional.ConnectionPool;
import javax.sql.PooledConnection;
import javax.naming.Reference;
import java.sql.SQLException;
/**
* Jdbc3 implementation of ConnectionPoolDataSource. This is
* typically the interface used by an app server to interact
* with connection pools provided by a JDBC driver. PostgreSQL
* does not support XADataSource, the other common connection
* pooling interface (for connections supporting the two-phase
* commit protocol).
*
* @author Aaron Mulder (ammulder@alumni.princeton.edu)
* @version $Revision: 1.1 $
*/
public class Jdbc3ConnectionPool extends ConnectionPool
{
/**
* Gets a description of this DataSource.
*/
public String getDescription()
{
return "Jdbc3ConnectionPool from " + org.postgresql.Driver.getVersion();
}
/**
* Gets a connection which may be pooled by the app server or middleware
* implementation of DataSource.
*
* @throws java.sql.SQLException
* Occurs when the physical database connection cannot be established.
*/
public PooledConnection getPooledConnection() throws SQLException
{
return new Jdbc3PooledConnection(getConnection(), isDefaultAutoCommit());
}
/**
* Gets a connection which may be pooled by the app server or middleware
* implementation of DataSource.
*
* @throws java.sql.SQLException
* Occurs when the physical database connection cannot be established.
*/
public PooledConnection getPooledConnection(String user, String password) throws SQLException
{
return new Jdbc3PooledConnection(getConnection(user, password), isDefaultAutoCommit());
}
/**
* Generates a JDBC object factory reference.
*/
protected Reference createReference()
{
return new Reference(getClass().getName(), Jdbc3ObjectFactory.class.getName(), null);
}
}
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