software.amazon.jdbc.plugin.limitless

Class LimitlessRouterMonitor

java.lang.Object

software.amazon.jdbc.util.monitoring.AbstractMonitor

software.amazon.jdbc.plugin.limitless.LimitlessRouterMonitor

All Implemented Interfaces:

java.lang.Runnable, Monitor

public class LimitlessRouterMonitor
extends AbstractMonitor

Field Summary

Fields

Modifier and Type	Field and Description
protected @NonNull ConnectionService	connectionService
protected @NonNull HostSpec	hostSpec
protected int	intervalMs
protected @NonNull java.lang.String	limitlessRouterCacheKey
protected static java.lang.String	MONITORING_PROPERTY_PREFIX
protected java.sql.Connection	monitoringConn
protected @NonNull java.util.Properties	props
protected @NonNull LimitlessQueryHelper	queryHelper
protected @NonNull StorageService	storageService
protected @NonNull TelemetryFactory	telemetryFactory
protected static long	TERMINATION_TIMEOUT_SEC

Fields inherited from class software.amazon.jdbc.util.monitoring.AbstractMonitor

lastActivityTimestampNanos, monitorExecutor, state, stop, terminationTimeoutSec

Constructor Summary

Constructors

Constructor and Description
LimitlessRouterMonitor(@NonNull PluginService pluginService, @NonNull ConnectionService connectionService, @NonNull TelemetryFactory telemetryFactory, @NonNull HostSpec hostSpec, @NonNull StorageService storageService, @NonNull java.lang.String limitlessRouterCacheKey, @NonNull java.util.Properties props, int intervalMs)

Method Summary

Modifier and Type	Method and Description
void	close() Closes all resources used by this monitor.
void	monitor() Executes the monitoring loop for this monitor.

Methods inherited from class software.amazon.jdbc.util.monitoring.AbstractMonitor

canDispose, getLastActivityTimestampNanos, getState, run, start, stop

Methods inherited from class java.lang.Object

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

Field Detail

MONITORING_PROPERTY_PREFIX

protected static final java.lang.String MONITORING_PROPERTY_PREFIX

See Also:

Constant Field Values

TERMINATION_TIMEOUT_SEC

protected static final long TERMINATION_TIMEOUT_SEC

See Also:

Constant Field Values

intervalMs

protected final int intervalMs

hostSpec

protected final @NonNull HostSpec hostSpec

storageService

protected final @NonNull StorageService storageService

limitlessRouterCacheKey

protected final @NonNull java.lang.String limitlessRouterCacheKey

props

protected final @NonNull java.util.Properties props

connectionService

protected final @NonNull ConnectionService connectionService

queryHelper

protected final @NonNull LimitlessQueryHelper queryHelper

telemetryFactory

protected final @NonNull TelemetryFactory telemetryFactory

monitoringConn

protected java.sql.Connection monitoringConn

Constructor Detail

LimitlessRouterMonitor

public LimitlessRouterMonitor(@NonNull PluginService pluginService,
                              @NonNull ConnectionService connectionService,
                              @NonNull TelemetryFactory telemetryFactory,
                              @NonNull HostSpec hostSpec,
                              @NonNull StorageService storageService,
                              @NonNull java.lang.String limitlessRouterCacheKey,
                              @NonNull java.util.Properties props,
                              int intervalMs)

Method Detail

close

public void close()

Description copied from interface: Monitor

Closes all resources used by this monitor. This method will be called as part of Monitor.stop().

Specified by:

close in interface Monitor

Overrides:

close in class AbstractMonitor

monitor

public void monitor()

Description copied from interface: Monitor

Executes the monitoring loop for this monitor. This method should be called in the run() method of the thread submitted during the call to Monitor.start(). Additionally, the monitoring loop should regularly update the last activity timestamp so that the MonitorService can detect whether the monitor is stuck or not.