Examples of JCS

org.apache.jcs.JCS
Simple class for using JCS. To use JCS in your application, you can use the static methods of this class to get access objects (instances of this class) for your cache regions. Ideally this class should be all you need to import to use JCS. One JCS should be created for each region you want to access. If you have several regions, then get instances for each. For best performance the getInstance call should be made in an initialization method. @author Aaron Smuts @author James Taylor @version $Id: JCS.java,v 1.5 2002/05/23 15:22:22 jtaylor Exp $
org.apache.stratum.jcs.JCS
Simple class for using JCS. To use JCS in your application, you can use the static methods of this class to get access objects (instances of this class) for your cache regions. Ideally this class should be all you need to import to use JCS. One JCS should be created for each region you want to access. If you have several regions, then get instances for each. For best performance the getInstance call should be made in an initialization method. @author Aaron Smuts @author James Taylor @created February 13, 2002 @version $Id: JCS.java,v 1.8 2002/02/18 17:14:24 asmuts Exp $

Examples of org.apache.jcs.JCS


  @Test
  public void testCacheInitSystemProperty() throws Throwable {
    System.setProperty(CRUtil.PORTALNODE_CONFPATH, confPath.getPath());
    EnvironmentConfiguration.loadCacheProperties();
    JCS instance = JCS.getInstance("test");
    assertNotNull("Cannot initialize the JCS cache from the given config: " + confPath, instance);
    assertEquals("The cache attributes are not loaded from the given config", 314, instance.getCacheAttributes()
        .getMaxObjects());
  }

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Examples of org.apache.jcs.JCS


  @Test
  public void testCacheInitWithConfigSetted() throws Throwable {
    EnvironmentConfiguration.setCacheFilePath(confPath.getPath() + File.separator + "cache2.ccf");
    EnvironmentConfiguration.loadCacheProperties();
    JCS instance = JCS.getInstance("test");
    assertNotNull("Cannot initialize the JCS cache from the given config: " + confPath, instance);
    assertEquals("The cache attributes are not loaded from the given config", 315, instance.getCacheAttributes()
        .getMaxObjects());
  }

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Examples of org.apache.jcs.JCS

  /**
   * Init the JCS Cache.
   * @return initialized cache
   */
  private static JCS initCache() {
    JCS cache = null;
    try {


      cache = JCS.getInstance(IMAGE_CACHE_REGION);
      log.debug("Using cache zone " + IMAGE_CACHE_REGION + " for image resizing");
    } catch (final CacheException e) {

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Examples of org.apache.jcs.JCS

    if (!frameParsed) {
      String framePath = config.getString(FRAME_KEY);
      String framePlaceholder = config.getString(FRAMEPLACEHOLDER_KEY);
      if (framePath != null && !framePath.equals("") && framePlaceholder != null && !framePlaceholder.equals("")) {
        try {
          JCS cache = JCS.getInstance(VelocityContentRepository.class.getSimpleName() + ".famecache");
          footer = (String) cache.get(framePath + FOOTER_CACHE_KEY_SUFFIX);
          header = (String) cache.get(framePath + HEADER_CACHE_KEY_SUFFIX);
          if (header == null || footer == null) {
            URL frameURL = new URL(framePath);
            URLConnection conn = frameURL.openConnection();
            Object content = conn.getContent();
            if (content instanceof InputStream) {
              header = StringUtils.readUntil((InputStream) content, framePlaceholder);
              footer = StringUtils.streamToString((InputStream) content);
            } else {
              logger.error(
                "Error reading frame source" + framePath,
                new CRException("Unknown response type (" + content.getClass() + ")"));
            }
            cache.put(framePath + HEADER_CACHE_KEY_SUFFIX, header);
            cache.put(framePath + FOOTER_CACHE_KEY_SUFFIX, footer);


          }
        } catch (MalformedURLException e) {
          logger.error("Error reading frame source " + framePath, e);
        } catch (IOException e) {

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Examples of org.apache.jcs.JCS

     *@exception  Exception  Description of the Exception
     */
    public void testSimpleLoad()
        throws Exception
    {
        JCS jcs = JCS.getInstance( "testCache1" );
//        ICompositeCacheAttributes cattr = jcs.getCacheAttributes();
//        cattr.setMaxObjects( 20002 );
//        jcs.setCacheAttributes( cattr );


        for ( int i = 0; i <= items; i++ )
        {
            jcs.put( i + ":key", "data" + i );
        }


        for ( int i = items; i >= items; i-- )
        {
            String res = ( String ) jcs.get( i + ":key" );
            if ( res == null )
            {
                this.assertNotNull( "[" + i + ":key] should not be null", res );
            }
        }


        // test removal
        jcs.destroy( "300:key" );
        assertNull( jcs.get( "300:key" ) );


    }

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Examples of org.apache.jcs.JCS

        junit.textui.TestRunner.main( testCaseName );
    }


    public void testJCS() throws Exception
    {
        JCS jcs = JCS.getInstance( "testCache1" );
        
        LinkedList list = buildList();
        
        jcs.put( "some:key", list );
        
        assertEquals( list, jcs.get( "some:key" ) );
    }

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Examples of org.apache.jcs.JCS

    public void testSpoolEvent()
        throws Exception
    {
        MyEventHandler meh = new MyEventHandler();


        JCS jcs = JCS.getInstance( "WithDisk" );
        // this should add the event handler to all items as they are created.
        IElementAttributes attributes = jcs.getDefaultElementAttributes();
        attributes.addElementEventHandler( meh );
        jcs.setDefaultElementAttributes( attributes );


        // put them in
        for ( int i = 0; i <= items; i++ )
        {
            jcs.put( i + ":key", "data" + i );
        }


        // wait a bit for it to finish
        Thread.sleep( items / 20 );

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Examples of org.apache.jcs.JCS

     * @throws Exception
     */
    public void testSpoolNoDiskEvent()
        throws Exception
    {
        JCS jcs = JCS.getInstance( "NoDisk" );


        MyEventHandler meh = new MyEventHandler();


        // this should add the event handler to all items as they are created.
        IElementAttributes attributes = jcs.getDefaultElementAttributes();
        attributes.addElementEventHandler( meh );
        jcs.setDefaultElementAttributes( attributes );


        // put them in
        for ( int i = 0; i <= items; i++ )
        {
            jcs.put( i + ":key", "data" + i );
        }


        // wait a bit for it to finish
        Thread.sleep( items / 20 );

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Examples of org.apache.jcs.JCS

     *                If an error occurs
     */
    public void runTestForRegionInRange( String region, int start, int end )
        throws Exception
    {
        JCS jcs = JCS.getInstance( region );


        // Add items to cache
        for ( int i = start; i <= end; i++ )
        {
            jcs.put( i + ":key", region + " data " + i );
        }


        // Test that all items are in cache
        for ( int i = start; i <= end; i++ )
        {
            String value = (String) jcs.get( i + ":key" );


            assertEquals( region + " data " + i, value );
        }


        // Remove all the items
        for ( int i = start; i <= end; i++ )
        {
            jcs.remove( i + ":key" );
        }


        System.out.println( jcs.getStats() );


        // Verify removal
        // another thread may have inserted since
        for ( int i = start; i <= end; i++ )
        {
            assertNull( "Removed key should be null: " + i + ":key " + "\n stats " + jcs.getStats(), jcs.get( i
                + ":key" ) );
        }
    }

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Examples of org.apache.jcs.JCS

    public void testSpoolNotAllowedEvent()
        throws Exception
    {
        MyEventHandler meh = new MyEventHandler();


        JCS jcs = JCS.getInstance( "DiskButNotAllowed" );
        // this should add the event handler to all items as they are created.
        IElementAttributes attributes = jcs.getDefaultElementAttributes();
        attributes.addElementEventHandler( meh );
        jcs.setDefaultElementAttributes( attributes );


        // put them in
        for ( int i = 0; i <= items; i++ )
        {
            jcs.put( i + ":key", "data" + i );
        }


        // wait a bit for it to finish
        Thread.sleep( items / 20 );

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