Examples of org.apache.wicket.util.concurrent.ConcurrentHashMap$Segment

Package org.apache.wicket.util.concurrent

Examples of org.apache.wicket.util.concurrent.ConcurrentHashMap$Segment

org.apache.wicket.util.concurrent.ConcurrentHashMap
Bookkeeping for each concurrency control segment. Each segment contains a local count of the number of elements in its region. However, the main use of a Segment is for its lock.

  private final static IGetAndSet getGetAndSetter(String exp, Class clz)
  {
    Map getAndSetters = (Map)classesToGetAndSetters.get(clz);
    if (getAndSetters == null)
    {
      getAndSetters = new ConcurrentHashMap(8);
      classesToGetAndSetters.put(clz, getAndSetters);
    }


    IGetAndSet getAndSetter = (IGetAndSet)getAndSetters.get(exp);
    if (getAndSetter == null)

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  public FilePageStore(File dir)
  {
    defaultWorkDir = new File(dir, "sessions/");
    defaultWorkDir.mkdirs();


    pagesToBeSerialized = new ConcurrentHashMap();
    pagesToBeSaved = new ConcurrentHashMap();
    appName = Application.get().getApplicationKey();


    saveThread = new PageSavingThread();
    Thread t = new Thread(saveThread, "FilePageSavingThread-" + appName);
    t.setDaemon(true);

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        {
          removeLast();
        }
      }
    });
    liveSessions = new ConcurrentHashMap();
  }

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  {
    Map classesToGetAndSetters = getClassesToGetAndSetters();
    Map getAndSetters = (Map)classesToGetAndSetters.get(clz);
    if (getAndSetters == null)
    {
      getAndSetters = new ConcurrentHashMap(8);
      classesToGetAndSetters.put(clz, getAndSetters);
    }


    IGetAndSet getAndSetter = (IGetAndSet)getAndSetters.get(exp);
    if (getAndSetter == null)

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    if (result == null)
    {
      // Don't synchronize this - Doesn't matter if we create two of them,
      // as it's only a cache and the first will go out of scope and get
      // GC'ed.
      applicationToClassesToGetAndSetters.put(key, result = new ConcurrentHashMap(64));
    }
    return result;
  }

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        {
          removeLast();
        }
      }
    });
    liveSessions = new ConcurrentHashMap();
  }

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  public FilePageStore(File dir)
  {
    defaultWorkDir = new File(dir, "sessions/");
    defaultWorkDir.mkdirs();


    pagesToBeSerialized = new ConcurrentHashMap();
    pagesToBeSaved = new ConcurrentHashMap();
    appName = Application.get().getApplicationKey();


    saveThread = new PageSavingThread();
    Thread t = new Thread(saveThread, "FilePageSavingThread-" + appName);
    t.setDaemon(true);

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    {
      return null;
    }
    else if (pageMapToList == null && createIfDoesNotExist == true)
    {
      pageMapToList = new ConcurrentHashMap();
      pageVersionMap.put(sessionId, pageMapToList);
    }


    List versions = (List)pageMapToList.get(pageMapName);
    if (versions == null && createIfDoesNotExist)

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