org.postgresql.quickautobalance

Class LoadBalanceHeartBeating

java.lang.Object

org.postgresql.quickautobalance.LoadBalanceHeartBeating

public class LoadBalanceHeartBeating
extends Object

Load balance heartBeating.

Constructor Summary

Constructors

Constructor and Description
LoadBalanceHeartBeating()

Method Summary

Modifier and Type	Method and Description
static boolean	isLeastConnStarted() Get if leastConnStarted has started.
static boolean	isLoadBalanceHeartBeatingStarted() Whether quickAutoBalance has started.
static boolean	isQuickAutoBalanceStarted() Get if quickAutoBalance has started.
static void	setConnection(PgConnection pgConnection, Properties props) Set connection into connection manager.
static void	startScheduledExecutorService(Properties properties) Start scheduled executor service.
static void	stopHeartBeatingThread() Stop scheduled executor service, and clear connection manager.

Methods inherited from class java.lang.Object

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

Constructor Detail

LoadBalanceHeartBeating

public LoadBalanceHeartBeating()

Method Detail

isLoadBalanceHeartBeatingStarted

public static boolean isLoadBalanceHeartBeatingStarted()

Whether quickAutoBalance has started.

Returns:

whether quickAutoBalance has started

isQuickAutoBalanceStarted

public static boolean isQuickAutoBalanceStarted()

Get if quickAutoBalance has started.

Returns:

if quickAutoBalance has started

isLeastConnStarted

public static boolean isLeastConnStarted()

Get if leastConnStarted has started.

Returns:

if leastConnStarted has started

setConnection

public static void setConnection(PgConnection pgConnection,
                                 Properties props)
                          throws PSQLException

Set connection into connection manager. If set, start singleton heart beating thread.

Parameters:

pgConnection - pgConnection

props - properties

Throws:

PSQLException - parameters parsed failed.

startScheduledExecutorService

public static void startScheduledExecutorService(Properties properties)

Start scheduled executor service. There are two singleton scheduled executor service. If cluster has configured 'autoBalance=leastconn', jdbc will start checkConnectionScheduledExecutorService. If cluster has configured 'autoBalance=leastconn&enableQuickAutoBalance=true', jdbc will start closeConnectionExecutorService.

Parameters:

properties - properties

stopHeartBeatingThread

public static void stopHeartBeatingThread()

Stop scheduled executor service, and clear connection manager.