How to use

JCSAdminBean

in

org.apache.commons.jcs.admin

protected Template handleRequest( HttpServletRequest request, HttpServletResponse response, Context context )
  JCSAdminBean admin = new JCSAdminBean();
        admin.clearAllRegions();
          admin.clearRegion( cacheName );
          admin.removeItem( cacheName, keys[i] );
      context.put( "elementInfoRecords", admin.buildElementInfo( cacheName ) );
      context.put( "cacheInfoRecords", admin.buildCacheInfo() );

/**
 * Tries to estimate how much data is in a region. This is expensive. If there are any non serializable objects in
 * the region or an error occurs, suppresses exceptions and returns 0.
 * <p>
 *
 * @return int The size of the region in bytes.
 */
@Override
public int getByteCount(String cacheName)
{
  return getByteCount(cacheHub.getCache(cacheName));
}

 JCSAdminBean admin = new JCSAdminBean();
LinkedList linkedList = admin.buildCacheInfo();
ListIterator iterator = linkedList.listIterator();
while (iterator.hasNext()) {
  CacheRegionInfo info = (CacheRegionInfo)iterator.next();
  CompositeCache compCache = info.getCache();
  System.out.println("Cache Name: " + compCache.getCacheName());
  System.out.println("Cache Type: " + compCache.getCacheType());
  System.out.println("Cache Misses (not found): " + compCache.getMissCountNotFound());
  System.out.println("Cache Misses (expired): " + compCache.getMissCountExpired());
  System.out.println("Cache Hits (memory): " + compCache.getHitCountRam());
  System.out.println("Cache value: " + compCache.get(propId));

/**
 * Remove an item via the remove method.
 *
 * @throws Exception
 */
public void testRemove()
  throws Exception
{
  JCSAdminBean admin = new JCSAdminBean();
  String regionName = "myRegion";
  CacheAccess<String, String> cache = JCS.getInstance( regionName );
  // clear the region
  cache.clear();
  admin.clearRegion( regionName );
  String key = "myKey";
  cache.put( key, "value" );
  CacheElementInfo[] elements = admin.buildElementInfo( regionName );
  assertEquals( "Wrong number of elements in the region.", 1, elements.length );
  CacheElementInfo elementInfo = elements[0];
  assertEquals( "Wrong key.", key, elementInfo.getKey() );
  admin.removeItem( regionName, key );
  CacheElementInfo[] elements2 = admin.buildElementInfo( regionName );
  assertEquals( "Wrong number of elements in the region after remove.", 0, elements2.length );
}

  /**
   * Add an item to a region. Call clear all and verify that it doesn't exist.
   *
   * @throws Exception
   */
  public void testClearAll()
    throws Exception
  {
    JCSAdminBean admin = new JCSAdminBean();

    String regionName = "myRegion";
    CacheAccess<String, String> cache = JCS.getInstance( regionName );

    String key = "myKey";
    cache.put( key, "value" );

    admin.clearAllRegions();

    CacheElementInfo[] elements2 = admin.buildElementInfo( regionName );
    assertEquals( "Wrong number of elements in the region after remove.", 0, elements2.length );
  }
}

/**
 * Put a value in a region and verify that it shows up.
 *
 * @throws Exception
 */
public void testGetElementForRegionInfo()
  throws Exception
{
  String regionName = "myRegion";
  CacheAccess<String, String> cache = JCS.getInstance( regionName );
  // clear the region
  cache.clear();
  String key = "myKey";
  cache.put( key, "value" );
  JCSAdminBean admin = new JCSAdminBean();
  CacheElementInfo[] elements = admin.buildElementInfo( regionName );
  assertEquals( "Wrong number of elements in the region.", 1, elements.length );
  CacheElementInfo elementInfo = elements[0];
  assertEquals( "Wrong key." + elementInfo, key, elementInfo.getKey() );
}

JCSAdminBean adminBean = new JCSAdminBean(this);
try

/**
 * Remove an item via the remove method.
 *
 * @throws Exception
 */
public void testRemove()
  throws Exception
{
  JCSAdminBean admin = new JCSAdminBean();
  String regionName = "myRegion";
  CacheAccess<String, String> cache = JCS.getInstance( regionName );
  // clear the region
  cache.clear();
  admin.clearRegion( regionName );
  String key = "myKey";
  cache.put( key, "value" );
  CacheElementInfo[] elements = admin.buildElementInfo( regionName );
  assertEquals( "Wrong number of elements in the region.", 1, elements.length );
  CacheElementInfo elementInfo = elements[0];
  assertEquals( "Wrong key.", key, elementInfo.getKey() );
  admin.removeItem( regionName, key );
  CacheElementInfo[] elements2 = admin.buildElementInfo( regionName );
  assertEquals( "Wrong number of elements in the region after remove.", 0, elements2.length );
}

  /**
   * Add an item to a region. Call clear all and verify that it doesn't exist.
   *
   * @throws Exception
   */
  public void testClearAll()
    throws Exception
  {
    JCSAdminBean admin = new JCSAdminBean();

    String regionName = "myRegion";
    CacheAccess<String, String> cache = JCS.getInstance( regionName );

    String key = "myKey";
    cache.put( key, "value" );

    admin.clearAllRegions();

    CacheElementInfo[] elements2 = admin.buildElementInfo( regionName );
    assertEquals( "Wrong number of elements in the region after remove.", 0, elements2.length );
  }
}

/**
 * Create a test region and then verify that we get it from the list.
 *
 * @throws Exception
 *
 */
public void testGetRegionInfo()
  throws Exception
{
  String regionName = "myRegion";
  CacheAccess<String, String> cache = JCS.getInstance( regionName );
  cache.put( "key", "value" );
  JCSAdminBean admin = new JCSAdminBean();
  CacheRegionInfo[] regions = admin.buildCacheInfo();
  boolean foundRegion = false;
  for (CacheRegionInfo info : regions)
  {
    if ( info.getCacheName().equals( regionName ) )
    {
      foundRegion = true;
      assertTrue( "Byte count should be greater than 5.", info.getByteCount() > 5 );
      assertNotNull( "Should have stats.", info.getCacheStatistics() );
    }
  }
  assertTrue( "Should have found the region we just created.", foundRegion );
}

/**
 * Put a value in a region and verify that it shows up.
 *
 * @throws Exception
 */
public void testGetElementForRegionInfo()
  throws Exception
{
  String regionName = "myRegion";
  CacheAccess<String, String> cache = JCS.getInstance( regionName );
  // clear the region
  cache.clear();
  String key = "myKey";
  cache.put( key, "value" );
  JCSAdminBean admin = new JCSAdminBean();
  CacheElementInfo[] elements = admin.buildElementInfo( regionName );
  assertEquals( "Wrong number of elements in the region.", 1, elements.length );
  CacheElementInfo elementInfo = elements[0];
  assertEquals( "Wrong key." + elementInfo, key, elementInfo.getKey() );
}

JCSAdminBean adminBean = new JCSAdminBean(this);
try

protected Template handleRequest( HttpServletRequest request, HttpServletResponse response, Context context )
  JCSAdminBean admin = new JCSAdminBean();
        admin.clearAllRegions();
          admin.clearRegion( cacheName );
          admin.removeItem( cacheName, keys[i] );
      context.put( "elementInfoRecords", admin.buildElementInfo( cacheName ) );
      context.put( "cacheInfoRecords", admin.buildCacheInfo() );

/**
 * Create a test region and then verify that we get it from the list.
 *
 * @throws Exception
 *
 */
public void testGetRegionInfo()
  throws Exception
{
  String regionName = "myRegion";
  CacheAccess<String, String> cache = JCS.getInstance( regionName );
  cache.put( "key", "value" );
  JCSAdminBean admin = new JCSAdminBean();
  CacheRegionInfo[] regions = admin.buildCacheInfo();
  boolean foundRegion = false;
  for (CacheRegionInfo info : regions)
  {
    if ( info.getCacheName().equals( regionName ) )
    {
      foundRegion = true;
      assertTrue( "Byte count should be greater than 5.", info.getByteCount() > 5 );
      assertNotNull( "Should have stats.", info.getCacheStatistics() );
    }
  }
  assertTrue( "Should have found the region we just created.", foundRegion );
}

/**
 * Tries to estimate how much data is in a region. This is expensive. If there are any non serializable objects in
 * the region or an error occurs, suppresses exceptions and returns 0.
 * <p/>
 *
 * @return int The size of the region in bytes.
 */
@Override
public int getByteCount(String cacheName)
{
  return getByteCount(cacheHub.getCache(cacheName));
}

cache.getMissCountNotFound(),
cache.getMissCountExpired(),
getByteCount( cache ));