自研服務治理框架----客戶端代理

public class ThriftServiceClientProxyFactory implements FactoryBean, InitializingBean {  
  
    private Integer maxActive = 32;// 最大活躍鏈接數  
  
    // ms,default 3 min,連接空閒時間  
    // -1,關閉空閒檢測  
    private Integer idleTime = 180000;  
    private ThriftServerAddressProvider serverAddressProvider;  
  
    private Object proxyClient;  
    private Class<?> objectClass;  
  
    private GenericObjectPool<TServiceClient> pool;  
  
    private PoolOperationCallBack callback = new PoolOperationCallBack() {  
        @Override  
        public void make(TServiceClient client) {  
            System.out.println("create");  
        }  
  
        @Override  
        public void destroy(TServiceClient client) {  
            System.out.println("destroy");  
        }  
    };  
      
    public void setMaxActive(Integer maxActive) {  
        this.maxActive = maxActive;  
    }  
  
    public void setIdleTime(Integer idleTime) {  
        this.idleTime = idleTime;  
    }  
  
    public void setServerAddressProvider(ThriftServerAddressProvider serverAddressProvider) {  
        this.serverAddressProvider = serverAddressProvider;  
    }  
  
    @Override  
    public void afterPropertiesSet() throws Exception {  
        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();  
        // 加載Iface接口  
        objectClass = classLoader.loadClass(serverAddressProvider.getService() + "$Iface");  
        // 加載Client.Factory類  
        Class<TServiceClientFactory<TServiceClient>> fi = (Class<TServiceClientFactory<TServiceClient>>) classLoader.loadClass(serverAddressProvider.getService() + "$Client$Factory");  
        TServiceClientFactory<TServiceClient> clientFactory = fi.newInstance();  
        ThriftClientPoolFactory clientPool = new ThriftClientPoolFactory(serverAddressProvider, clientFactory, callback);  
        GenericObjectPool.Config poolConfig = new GenericObjectPool.Config();  
        poolConfig.maxActive = maxActive;  
        poolConfig.minIdle = 0;  
        poolConfig.minEvictableIdleTimeMillis = idleTime;  
        poolConfig.timeBetweenEvictionRunsMillis = idleTime / 2L;  
        pool = new GenericObjectPool<TServiceClient>(clientPool, poolConfig);  
        proxyClient = Proxy.newProxyInstance(classLoader, new Class[] { objectClass }, new InvocationHandler() {  
            @Override  
            public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {  
                //  
                TServiceClient client = pool.borrowObject();  
                try {  
                    return method.invoke(client, args);  
                } catch (Exception e) {  
                    throw e;  
                } finally {  
                    pool.returnObject(client);  
                }  
            }  
        });  
    }  
  
    @Override  
    public Object getObject() throws Exception {  
        return proxyClient;  
    }  
  
    @Override  
    public Class<?> getObjectType() {  
        return objectClass;  
    }  
  
    @Override  
    public boolean isSingleton() {  
        return true;  
    }  
  
    public void close() {  
        if (serverAddressProvider != null) {  
            serverAddressProvider.close();  
        }  
    }  
}