com.jolbox.bonecp
Class AbstractConnectionStrategy

java.lang.Object
  com.jolbox.bonecp.AbstractConnectionStrategy

All Implemented Interfaces:

ConnectionStrategy

Direct Known Subclasses:

CachedConnectionStrategy, DefaultConnectionStrategy

public abstract class AbstractConnectionStrategy
extends Object
implements ConnectionStrategy

Parent class for the different pool strategies.

Author:

wallacew

Field Summary

protected BoneCP	pool Pool handle
protected Lock	terminationLock Prevent repeated termination of all connections when the DB goes down.

Constructor Summary

AbstractConnectionStrategy()

Method Summary

Connection	getConnection() Obtains a connection using the configured strategy.
protected abstract Connection	getConnectionInternal() Actual call that returns a connection
ConnectionHandle	pollConnection() Obtains a connection using the configured strategy without blocking.
protected void	postConnection(ConnectionHandle handle, long statsObtainTime) After obtaining a connection, perform additional tasks.
protected long	preConnection() Prep for a new connection

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.jolbox.bonecp.ConnectionStrategy

terminateAllConnections

Field Detail

pool

protected BoneCP pool

Pool handle

terminationLock

protected Lock terminationLock

Prevent repeated termination of all connections when the DB goes down.

Constructor Detail

AbstractConnectionStrategy

public AbstractConnectionStrategy()

Method Detail

preConnection

protected long preConnection()
                      throws SQLException

Prep for a new connection

Returns:

if stats are enabled, return the nanoTime when this connection was requested.

Throws:

SQLException

postConnection

protected void postConnection(ConnectionHandle handle,
                              long statsObtainTime)

After obtaining a connection, perform additional tasks.

Parameters:

handle -

statsObtainTime -

getConnection

public Connection getConnection()
                         throws SQLException

Description copied from interface: ConnectionStrategy

Obtains a connection using the configured strategy. Main entry point.

Specified by:

getConnection in interface ConnectionStrategy

Returns:

Connection

Throws:

SQLException - on error

getConnectionInternal

protected abstract Connection getConnectionInternal()
                                             throws SQLException

Actual call that returns a connection

Returns:

Connection

Throws:

SQLException

pollConnection

public ConnectionHandle pollConnection()

Description copied from interface: ConnectionStrategy

Obtains a connection using the configured strategy without blocking.

Specified by:

pollConnection in interface ConnectionStrategy

Returns:

Connection