Module com.aoapps.servlet.filter

Package com.aoapps.servlet.filter

Class CountConcurrencyListener

java.lang.Object

com.aoapps.servlet.filter.CountConcurrencyListener

All Implemented Interfaces:

ServletRequestListener, EventListener

@WebListener
public class CountConcurrencyListener
extends Object
implements ServletRequestListener

Tracks the request concurrency, used to decide to use concurrent or sequential implementations.

Field Summary

Fields

Modifier and Type	Field	Description
static final ScopeEE.Request.Attribute<Integer>	REQUEST_ATTRIBUTE

Constructor Summary

Constructors

Constructor	Description
CountConcurrencyListener()

Method Summary

Modifier and Type	Method	Description
static Integer	getConcurrency(ServletRequest request)	Gets the concurrency at the beginning of the request or null when listener not active.
void	requestDestroyed(ServletRequestEvent event)
void	requestInitialized(ServletRequestEvent event)

Methods inherited from class java.lang.Object

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

Field Details

REQUEST_ATTRIBUTE

public static final ScopeEE.Request.Attribute<Integer> REQUEST_ATTRIBUTE

Constructor Details

CountConcurrencyListener

public CountConcurrencyListener()

Method Details

getConcurrency

public static Integer getConcurrency(ServletRequest request)

Gets the concurrency at the beginning of the request or null when listener not active.

requestInitialized

public void requestInitialized(ServletRequestEvent event)

Specified by:

requestInitialized in interface ServletRequestListener

requestDestroyed

public void requestDestroyed(ServletRequestEvent event)

Specified by:

requestDestroyed in interface ServletRequestListener