Examples of net.sf.ehcache.Cache

net.sf.ehcache.Cache
Cache is the central class in ehcache. Caches have {@link Element}s and are managed by the {@link CacheManager}. The Cache performs logical actions. It delegates physical implementations to its {@link net.sf.ehcache.store.Store}s.
A reference to a Cache can be obtained through the {@link CacheManager}. A Cache thus obtained is guaranteed to have status {@link Status#STATUS_ALIVE}. This status is checked for any method which throws {@link IllegalStateException} and the same thrown if it is not alive. This would normallyhappen if a call is made after {@link CacheManager#shutdown} is invoked.
Cache is threadsafe.
Statistics on cache usage are collected and made available through the {@link #getStatistics()} methods.
Various decorators are available for Cache, such as BlockingCache, SelfPopulatingCache and the dynamic proxy ExceptionHandlingDynamicCacheProxy. See each class for details. @author Greg Luck @version $Id: Cache.java 793 2008-10-07 07:28:03Z gregluck $

   * {@inheritDoc}
   *
   * @see EhcacheStats#getNumberOfElementsOnDisk(java.lang.String)
   */
  public int getNumberOfElementsOnDisk(String region) {
    Cache cache = this.cacheManager.getCache( region );
    if ( cache != null ) {
      return cache.getDiskStoreSize();
    }
    else {
      return -1;
    }
  }

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  /**
   * {@inheritDoc}
   */
  public void setStatisticsEnabled(boolean flag) {
    for ( String cacheName : cacheManager.getCacheNames() ) {
      Cache cache = cacheManager.getCache( cacheName );
      if ( cache != null ) {
        cache.setStatisticsEnabled( flag );
      }
    }
    if ( flag ) {
      clearStats();
    }

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   * {@inheritDoc}
   */
  public long getMaxGetTimeMillis() {
    long rv = 0;
    for ( String cacheName : cacheManager.getCacheNames() ) {
      Cache cache = cacheManager.getCache( cacheName );
      if ( cache != null ) {
        rv = Math.max( rv, cache.getLiveCacheStatistics().getMaxGetTimeMillis() );
      }
    }
    return rv;
  }

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   * {@inheritDoc}
   */
  public long getMinGetTimeMillis() {
    long rv = 0;
    for ( String cacheName : cacheManager.getCacheNames() ) {
      Cache cache = cacheManager.getCache( cacheName );
      if ( cache != null ) {
        rv = Math.max( rv, cache.getLiveCacheStatistics().getMinGetTimeMillis() );
      }
    }
    return rv;
  }

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   * {@inheritDoc}
   *
   * @see EhcacheStats#getMaxGetTimeMillis(java.lang.String)
   */
  public long getMaxGetTimeMillis(String cacheName) {
    Cache cache = cacheManager.getCache( cacheName );
    if ( cache != null ) {
      return cache.getLiveCacheStatistics().getMaxGetTimeMillis();
    }
    else {
      return 0;
    }
  }

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   * {@inheritDoc}
   *
   * @see EhcacheStats#getMinGetTimeMillis(java.lang.String)
   */
  public long getMinGetTimeMillis(String cacheName) {
    Cache cache = cacheManager.getCache( cacheName );
    if ( cache != null ) {
      return cache.getLiveCacheStatistics().getMinGetTimeMillis();
    }
    else {
      return 0;
    }
  }

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   * {@inheritDoc}
   *
   * @see EhcacheStats#getAverageGetTimeMillis(java.lang.String)
   */
  public float getAverageGetTimeMillis(String region) {
    Cache cache = this.cacheManager.getCache( region );
    if ( cache != null ) {
      return cache.getLiveCacheStatistics().getAverageGetTimeMillis();
    }
    else {
      return -1f;
    }
  }

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            cacheManager = EHCacheUtil.createCacheManager(conf);
        }
        
        CacheConfiguration cc = EHCacheUtil.getCacheConfiguration(CACHE_KEY, cacheManager);
        
        Ehcache newCache = new Cache(cc);
        cache = cacheManager.addCacheIfAbsent(newCache);
    }

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        // Cannot overflow to disk as SecurityToken Elements can't be serialized
        @SuppressWarnings("deprecation")
        CacheConfiguration cc = EHCacheManagerHolder.getCacheConfiguration(key, cacheManager)
            .overflowToDisk(false); //tokens not writable
        
        Ehcache newCache = new Cache(cc);
        cache = cacheManager.addCacheIfAbsent(newCache);
        
        // Set the TimeToLive value from the CacheConfiguration
        ttl = cc.getTimeToLiveSeconds();
    }

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      final CacheManager manager = getCacheManager();
      synchronized(manager)
      {
        if (manager.cacheExists(DATA_CACHE_NAME) == false)
        {
          final Cache libloaderCache = new Cache(DATA_CACHE_NAME,   // cache name
                                                 500,         // maxElementsInMemory
                                                 false,       // overflowToDisk
                                                 false,       // eternal
                                                 600,         // timeToLiveSeconds
                                                 600,         // timeToIdleSeconds

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