簡單Ehcahe封裝

 
import java.io.Serializable;
import java.net.URL;
import net.sf.ehcache.Cache;
import net.sf.ehcache.CacheManager;
import net.sf.ehcache.Element;

/**


@author WUJXIAO
*/
public class EhCacheUtil {
private static CacheManager manager;
static {

 init();

}
public synchronized static void init() {

 System.setProperty("net.sf.ehcache.enableShutdownHook", "true");
 URL url = EhCacheUtil.class.getResource("/ehcache.xml");        
 manager = new CacheManager(url);

}
public synchronized static void stop() {

 if (manager != null) {
     manager.shutdown();
     manager = null;
 }

}
private synchronized static Cache _GetCache(String cache_name, boolean autoCreate) {

 Cache cache = manager.getCache(cache_name);
 if (cache == null && autoCreate) {
     manager.addCache(cache_name);
     cache = manager.getCache(cache_name);
 }
 return cache;

}
/**

獲取緩存中的數據

@param name
@param key
@return
*/
public synchronized static Object get(String name, Serializable key) {
 return get(Object.class, name, key);
}
/**

獲取緩存中的數據

@param <T>
@param resultClass
@param name
@param key
@return
*/
@SuppressWarnings("unchecked")
public synchronized static <T> T get(Class<T> resultClass, String name, Serializable key) {
 if (name != null && key != null) {

 Cache cache = _GetCache(name, true);
 Element element = cache.get(key);
 if (element != null) {
     T value = (T) element.getObjectValue();
     cache.flush();
     return value;
 }

}
 return null;
}
/**

寫入緩存

@param name
@param key
@param value
*/
public synchronized static void put(String name, Object key, Object value) {
 put(name,(Serializable)key,(Serializable)value);
}
/**

寫入緩存

@param name
@param key
@param value
*/
public synchronized static void put(String name, Serializable key, Serializable value) {
 if (name != null && key != null && value != null) {

 Element element = new Element(key, value);
 Cache cache = _GetCache(name, true);
 cache.put(element);
 cache.flush();

}
}
/**

清除緩沖中的某個數據

@param name
@param key
*/
public synchronized static void remove(String name, Serializable key) {
 if (name != null && key != null) {

 _GetCache(name, true).remove(key);

}
}
public synchronized static void clear(String name) {
 _GetCache(name, true).removeAll();
}




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