Examples with Cache com.sun.appserv.util.cache.Cache used on opensource projects

Example 6 with Cache

use of com.sun.appserv.util.cache.Cache in project Payara by payara.

the class CacheContextListener method contextDestroyed.

/**
 * This is called when the context is shutdown.
 */
public void contextDestroyed(ServletContextEvent sce) {
    ServletContext context = sce.getServletContext();
    // Remove the cache from context and clear the cache
    Cache cache = (Cache) context.getAttribute(Constants.JSPTAG_CACHE_KEY);
    if (cache != null) {
        context.removeAttribute(Constants.JSPTAG_CACHE_KEY);
        cache.clear();
    }
}

Example 7 with Cache

use of com.sun.appserv.util.cache.Cache in project Payara by payara.

the class CacheSessionListener method sessionCreated.

/**
 * Receives notification that a session was created, and adds newly
 * created cache for JSP tag body invocations as a session attribute.
 *
 * @param hse the notification event
 */
public void sessionCreated(HttpSessionEvent hse) {
    HttpSession session = hse.getSession();
    ServletContext context = session.getServletContext();
    // Check if a cache manager has already been created and set in the
    // context
    CacheManager cm = (CacheManager) context.getAttribute(CacheManager.CACHE_MANAGER_ATTR_NAME);
    // to create a new cache
    if (cm == null) {
        cm = new CacheManager();
    }
    Cache cache = null;
    try {
        cache = cm.createCache();
    } catch (Exception ex) {
    }
    // Set the cache as a session attribute
    if (cache != null) {
        session.setAttribute(Constants.JSPTAG_CACHE_KEY, cache);
    }
}

Example 8 with Cache

use of com.sun.appserv.util.cache.Cache in project Payara by payara.

the class FlushTag method doStartTag.

// ---------------------------------------------------------------------
// Tag logic
/**
 * doStartTag is called when the flush tag is encountered. By
 * the time this is called, the tag attributes are already set.
 *
 * @throws JspException the standard exception thrown
 * @return SKIP_BODY since the tag should be empty
 */
public int doStartTag() throws JspException {
    // get the cache from the specified scope
    Cache cache = CacheUtil.getCache(pageContext, _scope);
    if (_key != null) {
        String key = CacheUtil.generateKey(_key, pageContext);
        // remove the entry for the key
        cache.remove(key);
        if (_logger.isLoggable(Level.FINE))
            _logger.log(Level.FINE, LogFacade.FLUSH_TAG_CLEAR_KEY, key);
    } else {
        // clear the entire cache
        cache.clear();
        if (_logger.isLoggable(Level.FINE))
            _logger.log(Level.FINE, LogFacade.FLUSH_TAG_CLEAR_CACHE);
    }
    return SKIP_BODY;
}