Package org.zkoss.zk.ui

Class Sessions

  • Direct Known Subclasses:
    SessionsCtrl
    public class Sessions
extends java.lang.Object
    Utilities to access Session.
    Author:
    tomyeh

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected static int _cnt  
      protected static java.lang.ThreadLocal<java.lang.Object> _sess
      Used to the store the session for the current thread.

    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      protected Sessions()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static int getCount()
      Returns the number of total alive session.
      static Session getCurrent()
      Returns the session for the current thread, or null if not available.
      static Session getCurrent​(boolean create)
      Returns the session for the current thread, or null if not available.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • _sess

        protected static final java.lang.ThreadLocal<java.lang.Object> _sess
        Used to the store the session for the current thread.

      • _cnt

        protected static int _cnt

    • Constructor Detail

      • Sessions

        protected Sessions()

    • Method Detail

      • getCount

        public static final int getCount()
        Returns the number of total alive session.
        Since:
        5.0.0

      • getCurrent

        public static final Session getCurrent()
        Returns the session for the current thread, or null if not available. It is the same as getSession(true).

        Note: it returns null if it is called in a working thread.

      • getCurrent

        public static final Session getCurrent​(boolean create)
        Returns the session for the current thread, or null if not available.
        Parameters:
        create - whether to create a new session if not available. Notice that this method might return null if it is called in a working thread, even though create is true,
        Since:
        5.0.0