本文介绍了一种基于文件系统的缓存读取方法，当内存中不存在所需缓存时，从指定路径下的文件中读取并反序列化为对象。
public static <T> T getCache(String namespace, Class<T> clazz) throws IOException, ClassNotFoundException{
CacheItem<Serializable> item = cacheMap.get(namespace);
T t = null;
if(item == null){
File file = new File("c:/cache/" + namespace + ".txt");
if(file.exists()){
FileInputStream fileInputStream = new FileInputStream(file);
ObjectInputStream inputStream = new ObjectInputStream(fileInputStream);
t = (T) inputStream.readObject();
}
}
return t;
}
CacheItem<Serializable> item = cacheMap.get(namespace);
T t = null;
if(item == null){
File file = new File("c:/cache/" + namespace + ".txt");
if(file.exists()){
FileInputStream fileInputStream = new FileInputStream(file);
ObjectInputStream inputStream = new ObjectInputStream(fileInputStream);
t = (T) inputStream.readObject();
}
}
return t;
}
扫一扫
1074
被折叠的 条评论
为什么被折叠?
到【灌水乐园】发言
