Example usage for org.springframework.web.util WebUtils getSessionMutex

Introduction

In this page you can find the example usage for org.springframework.web.util WebUtils getSessionMutex.

Prototype

public static Object getSessionMutex(HttpSession session)

Source Link

Document

Return the best available mutex for the given session: that is, an object to synchronize on for the given session.

Usage

From source file:org.springframework.web.context.request.ServletRequestAttributes.java

public Object getSessionMutex() {
    return WebUtils.getSessionMutex(getSession(true));
}

From source file:org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.java

@Override
public ModelAndView handle(HttpServletRequest request, HttpServletResponse response, Object handler)
        throws Exception {

    Class<?> clazz = ClassUtils.getUserClass(handler);
    Boolean annotatedWithSessionAttributes = this.sessionAnnotatedClassesCache.get(clazz);
    if (annotatedWithSessionAttributes == null) {
        annotatedWithSessionAttributes = (AnnotationUtils.findAnnotation(clazz,
                SessionAttributes.class) != null);
        this.sessionAnnotatedClassesCache.put(clazz, annotatedWithSessionAttributes);
    }//from   w  w  w .j  a v  a 2 s  .c om

    if (annotatedWithSessionAttributes) {
        // Always prevent caching in case of session attribute management.
        checkAndPrepare(request, response, this.cacheSecondsForSessionAttributeHandlers, true);
        // Prepare cached set of session attributes names.
    } else {
        // Uses configured default cacheSeconds setting.
        checkAndPrepare(request, response, true);
    }

    // Execute invokeHandlerMethod in synchronized block if required.
    if (this.synchronizeOnSession) {
        HttpSession session = request.getSession(false);
        if (session != null) {
            Object mutex = WebUtils.getSessionMutex(session);
            synchronized (mutex) {
                return invokeHandlerMethod(request, response, handler);
            }
        }
    }

    return invokeHandlerMethod(request, response, handler);
}

From source file:org.springframework.web.servlet.mvc.annotation.MyAnnotationMethodHandlerAdapter.java

public ModelAndView handle(HttpServletRequest request, HttpServletResponse response, Object handler)
        throws Exception {

    Class<?> clazz = ClassUtils.getUserClass(handler);
    Boolean annotatedWithSessionAttributes = this.sessionAnnotatedClassesCache.get(clazz);
    if (annotatedWithSessionAttributes == null) {
        annotatedWithSessionAttributes = (AnnotationUtils.findAnnotation(clazz,
                SessionAttributes.class) != null);
        this.sessionAnnotatedClassesCache.put(clazz, annotatedWithSessionAttributes);
    }/*  w  ww  .  j  a va2 s  .c om*/

    if (annotatedWithSessionAttributes) {
        // Always prevent caching in case of session attribute management.
        checkAndPrepare(request, response, this.cacheSecondsForSessionAttributeHandlers, true);
        // Prepare cached set of session attributes names.
    } else {
        // Uses configured default cacheSeconds setting.
        checkAndPrepare(request, response, true);
    }

    // Execute invokeHandlerMethod in synchronized block if required.
    if (this.synchronizeOnSession) {
        HttpSession session = request.getSession(false);
        if (session != null) {
            Object mutex = WebUtils.getSessionMutex(session);
            synchronized (mutex) {
                return invokeHandlerMethod(request, response, handler);
            }
        }
    }

    return invokeHandlerMethod(request, response, handler);
}