正好在写一个文档,涉及到楼主的这个话题,给我写的例子贴给你参考一下,我写的是一个线程有效的scopepublic class ThreadScope implements Scope {
private final ThreadLocal threadScope = new ThreadLocal() {
protected Object initialValue() {
return new HashMap();
}
};
public Object get(String name, ObjectFactory objectFactory) {
Map scope = (Map) threadScope.get();
Object object = scope.get(name);
if(object==null) {
object = objectFactory.getObject();
scope.put(name, object);
}
return object;
}
public Object remove(String name) {
Map scope = (Map) threadScope.get();
return scope.remove(name);
}
public void registerDestructionCallback(String name, Runnable callback) {
}
}
private final ThreadLocal threadScope = new ThreadLocal() {
protected Object initialValue() {
return new HashMap();
}
};
public Object get(String name, ObjectFactory objectFactory) {
Map scope = (Map) threadScope.get();
Object object = scope.get(name);
if(object==null) {
object = objectFactory.getObject();
scope.put(name, object);
}
return object;
}
public Object remove(String name) {
Map scope = (Map) threadScope.get();
return scope.remove(name);
}
public void registerDestructionCallback(String name, Runnable callback) {
}
}
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货