package net.sf.appstatus.support.spring.cache;
   
   import net.sf.appstatus.core.services.IServiceMonitor;
   import net.sf.appstatus.core.services.ServiceMonitorLocator;
   
   import org.springframework.cache.Cache;
   
   /**
    * A simple adapter for Spring Caches with flags the current service call as
   * "cacheHit".
   *
   * @author Nicolas Richeton
   *
   */
  public class AppStatusCacheAdapter implements Cache {
  
  	Cache cache;
  
  	public AppStatusCacheAdapter(Cache ehcache) {
  		this.cache = ehcache;
  	}
  
  	public void clear() {
  		cache.clear();
  	}
  
  	public void evict(Object key) {
  		cache.evict(key);
  	}
  
  	public ValueWrapper get(Object key) {
  		ValueWrapper result = cache.get(key);
  
  		if (result != null) {
  			IServiceMonitor monitor = ServiceMonitorLocator.getCurrentServiceMonitor();
  			if (monitor != null) {
  				monitor.cacheHit();
  			}
  		}
  		return result;
  	}
  
  	@SuppressWarnings("unchecked")
  	public <T> T get(Object arg0, Class<T> arg1) {
  		return (T) get(arg0);
  	}
  
  	public String getName() {
  		return cache.getName();
  	}
  
  	public Object getNativeCache() {
  		return cache.getNativeCache();
  	}
  
  	public void put(Object key, Object value) {
  		cache.put(key, value);
  	}
  
  	public ValueWrapper putIfAbsent(Object arg0, Object arg1) {
  		return cache.putIfAbsent(arg0, arg1);
  	}
  }