software.amazon.jdbc.plugin

Class OpenedConnectionTracker

java.lang.Object

software.amazon.jdbc.plugin.OpenedConnectionTracker

public class OpenedConnectionTracker
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
OpenedConnectionTracker(PluginService pluginService)

Method Summary

Modifier and Type	Method and Description
static void	clearCache()
void	invalidateAllConnections(HostSpec hostSpec) Invalidates all opened connections pointing to the same node in a daemon thread.
void	invalidateAllConnections(java.lang.String... keys)
void	logOpenedConnections()
TrackedConnectionList.Node	populateOpenedConnectionQueue(HostSpec hostSpec, java.sql.Connection conn)
protected static void	pruneConnections()
static void	releaseResources()
void	removeConnectionTracking(HostSpec hostSpec, java.sql.Connection connection) Removes a tracked connection by scanning the list for the given host.
void	removeConnectionTracking(TrackedConnectionList.Node node) Removes a tracked connection in O(1) using a direct node reference.

Methods inherited from class java.lang.Object

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

Constructor Detail

OpenedConnectionTracker

public OpenedConnectionTracker(PluginService pluginService)

Method Detail

populateOpenedConnectionQueue

public TrackedConnectionList.Node populateOpenedConnectionQueue(HostSpec hostSpec,
                                                                java.sql.Connection conn)

invalidateAllConnections

public void invalidateAllConnections(HostSpec hostSpec)

Invalidates all opened connections pointing to the same node in a daemon thread. 1

Parameters:

hostSpec - The HostSpec object containing the url of the node.

invalidateAllConnections

public void invalidateAllConnections(java.lang.String... keys)

removeConnectionTracking

public void removeConnectionTracking(TrackedConnectionList.Node node)

Removes a tracked connection in O(1) using a direct node reference.

Parameters:

node - the node returned by populateOpenedConnectionQueue(software.amazon.jdbc.HostSpec, java.sql.Connection)

removeConnectionTracking

public void removeConnectionTracking(HostSpec hostSpec,
                                     java.sql.Connection connection)

Removes a tracked connection by scanning the list for the given host. This is the O(n) fallback used when no node reference is available.

Parameters:

hostSpec - the host specification identifying the connection's host

connection - the connection to remove from tracking

logOpenedConnections

public void logOpenedConnections()

pruneConnections

protected static void pruneConnections()

clearCache

public static void clearCache()

releaseResources

public static void releaseResources()