Example usage for org.apache.commons.collections LRUMap LRUMap

Introduction

In this page you can find the example usage for org.apache.commons.collections LRUMap LRUMap.

Prototype

public LRUMap(int i) 

Source Link

Document

Create a new LRUMap with a maximum capacity of i.

Usage

From source file:org.seasar.struts.portlet.SAStrutsPortlet.java

protected ProcessActionConfig getProcessActionConfig(PortletRequest request, Integer accessId) {
    PortletSession portletSession = request.getPortletSession();
    String currentPortletMode = request.getPortletMode().toString();
    String previousPortletMode = (String) portletSession.getAttribute(PREVIOUS_PORTLET_MODE);

    // set portlet mode
    portletSession.setAttribute(PREVIOUS_PORTLET_MODE, currentPortletMode);

    if (isPortletModeChange(currentPortletMode, previousPortletMode)) {
        // portlet mode was changed. clear cache.
        portletSession.setAttribute(PortletUtil.PROCESS_ACTION_CONFIG_MAP, new LRUMap(maxCacheSize));
        return null;
    }//from  w ww  .j a va2s  . com

    Map configMap = (Map) portletSession.getAttribute(PortletUtil.PROCESS_ACTION_CONFIG_MAP);
    if (configMap == null) {
        configMap = new LRUMap(maxCacheSize);
        portletSession.setAttribute(PortletUtil.PROCESS_ACTION_CONFIG_MAP, configMap);
    }
    return (ProcessActionConfig) configMap.get(accessId);
}

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