匿名内部类调用方法参数,方法参数对象变了,匿名内部类的引用却没变

匿名内部类调用方法参数,方法参数对象变了,匿名内部类的引用却没变

public void startServer(final LanServerBean.Builder builder){
        Log.i(TAG, "quqx_startServer: builder="+builder.hashCode());
        HttpServerRequestCallback callback = new HttpServerRequestCallback() {
            @Override
            public void onRequest(AsyncHttpServerRequest request, AsyncHttpServerResponse response) {
                Log.e(TAG, "quqx_onRequest: builer=" + builder.hashCode());
                ......
            }
        };
  
        mHttpServer.get("/", callback);
        ......
    }

问题:如上代码,第一次调用startServer()方法,两个log显示builder的对象是一致的,之后再调用该方法,打印显示builder的对象不一致,quqx_onRequest处的打印一直是第一次引用的对象。

分析:callback是接口的实现类,是由mHttpServer持有,当mHttpServer不变的时候,callback里的内容就的不会变。

解决方法:

public void startServer(final LanServerBean.Builder builder){
            Log.i(TAG, "quqx_startServer: builder="+builder.hashCode());
            HttpServerRequestCallback callback = new HttpServerRequestCallback() {
                @Override
                public void onRequest(AsyncHttpServerRequest request, AsyncHttpServerResponse response) {
                    Log.e(TAG, "quqx_onRequest: builer=" + builder.hashCode());
                    ......
                }
            };
      
        	mHttpServer = new AsyncHttpServer();  //新new一个对象解决问题
            mHttpServer.get("/", callback);
            ......
        }

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转载自blog.csdn.net/weixin_41820878/article/details/101075288
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