com.mysql.cj.jdbc.ha.ca.plugins

Class Monitor

java.lang.Object

com.mysql.cj.jdbc.ha.ca.plugins.Monitor

All Implemented Interfaces:

IMonitor, java.lang.Runnable

public class Monitor
extends java.lang.Object
implements IMonitor

This class uses a background thread to monitor a particular server with one or more active Connection.

Constructor Summary

Constructors

Constructor and Description
Monitor(ConnectionProvider connectionProvider, HostInfo hostInfo, PropertySet propertySet, long monitorDisposalTime, IMonitorService monitorService, Log logger) Store the monitoring configuration for a connection.

Method Summary

Modifier and Type	Method and Description
void	clearContexts() Clear all MonitorConnectionContext associated with this IMonitor instance.
boolean	isStopped() Whether this IMonitor has stopped monitoring a particular server.
void	run()
void	startMonitoring(MonitorConnectionContext context)
void	stopMonitoring(MonitorConnectionContext context)

Methods inherited from class java.lang.Object

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

Constructor Detail

Monitor

public Monitor(ConnectionProvider connectionProvider,
               HostInfo hostInfo,
               PropertySet propertySet,
               long monitorDisposalTime,
               IMonitorService monitorService,
               Log logger)

Store the monitoring configuration for a connection.

Parameters:

connectionProvider - A provider for creating new connections.

hostInfo - The HostInfo of the server this Monitor instance is monitoring.

propertySet - The PropertySet containing additional monitoring configuration.

monitorDisposalTime - Time before stopping the monitoring thread where there are no active connection to the server this Monitor instance is monitoring.

monitorService - A reference to the DefaultMonitorService implementation that initialized this class.

logger - A Log implementation.

Method Detail

startMonitoring

public void startMonitoring(MonitorConnectionContext context)

Specified by:

startMonitoring in interface IMonitor

stopMonitoring

public void stopMonitoring(MonitorConnectionContext context)

Specified by:

stopMonitoring in interface IMonitor

clearContexts

public void clearContexts()

Description copied from interface: IMonitor

Clear all MonitorConnectionContext associated with this IMonitor instance.

Specified by:

clearContexts in interface IMonitor

run

public void run()

Specified by:

run in interface java.lang.Runnable

isStopped

public boolean isStopped()

Description copied from interface: IMonitor

Whether this IMonitor has stopped monitoring a particular server.

Specified by:

isStopped in interface IMonitor

Returns:

true if the monitoring has stopped; false otherwise.