Examples of com.alibaba.dubbo.rpc.Invoker

com.alibaba.dubbo.rpc.Invoker
Invoker. (API/SPI, Prototype, ThreadSafe) @see com.alibaba.dubbo.rpc.Protocol#refer(Class,com.alibaba.dubbo.common.URL) @see com.alibaba.dubbo.rpc.InvokerListener @see com.alibaba.dubbo.rpc.protocol.AbstractInvoker @author william.liangf

    }
    
    @Test
    public void testSelect_Invokersize0() throws Exception {
        {
            Invoker invoker = cluster.select(null,null,null,null);
            Assert.assertEquals(null, invoker);
        }
        {
            invokers.clear();
            selectedInvokers.clear();
            Invoker invoker = cluster.select(null,null,invokers,null);
            Assert.assertEquals(null, invoker);
        }
    }

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    @Test
    public void testSelect_Invokersize1() throws Exception {
        invokers.clear();
        invokers.add(invoker1);
        Invoker invoker = cluster.select(null,null,invokers,null);
        Assert.assertEquals(invoker1, invoker);
    }

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        invokers.add(invoker1);
        invokers.add(invoker2);
        {
            selectedInvokers.clear();
            selectedInvokers.add(invoker1);
            Invoker invoker = cluster.select(null,null,invokers,selectedInvokers);
            Assert.assertEquals(invoker2, invoker);
        }
        {
            selectedInvokers.clear();
            selectedInvokers.add(invoker2);
            Invoker invoker = cluster.select(null,null,invokers,selectedInvokers);
            Assert.assertEquals(invoker1, invoker);
        }
    }

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        LoadBalance lb = EasyMock.createMock(LoadBalance.class);
        EasyMock.expect(lb.select(invokers, url, invocation)).andReturn(invoker1);
        EasyMock.replay(lb);
        initlistsize5();
        
        Invoker sinvoker = cluster_nocheck.select(lb, invocation, invokers, selectedInvokers);
        Assert.assertEquals(false,sinvoker.isAvailable());
        Assert.assertEquals(invoker1,sinvoker);
        
    }

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            selectedInvokers.clear();
            selectedInvokers.add(invoker2);
            selectedInvokers.add(invoker3);
            selectedInvokers.add(invoker4);
            selectedInvokers.add(invoker5);
            Invoker sinvoker = cluster_nocheck.select(lb, invocation, invokers, selectedInvokers);
            Assert.assertSame(invoker1, sinvoker);
        }
        {
            //边界测试.
            selectedInvokers.clear();
            selectedInvokers.add(invoker1);
            selectedInvokers.add(invoker3);
            selectedInvokers.add(invoker4);
            selectedInvokers.add(invoker5);
            Invoker sinvoker = cluster_nocheck.select(lb, invocation, invokers, selectedInvokers);
            Assert.assertSame(invoker2, sinvoker);
        }
        {
            //边界测试.
            selectedInvokers.clear();
            selectedInvokers.add(invoker1);
            selectedInvokers.add(invoker2);
            selectedInvokers.add(invoker4);
            selectedInvokers.add(invoker5);
            Invoker sinvoker = cluster_nocheck.select(lb, invocation, invokers, selectedInvokers );
            Assert.assertSame(invoker3, sinvoker);
        }
        {
            //边界测试.
            selectedInvokers.clear();
            selectedInvokers.add(invoker1);
            selectedInvokers.add(invoker2);
            selectedInvokers.add(invoker3);
            selectedInvokers.add(invoker4);
            Invoker sinvoker = cluster_nocheck.select(lb, invocation, invokers, selectedInvokers );
            Assert.assertSame(invoker5, sinvoker);
        }
        {
            //边界测试.
            selectedInvokers.clear();
            selectedInvokers.add(invoker1);
            selectedInvokers.add(invoker2);
            selectedInvokers.add(invoker3);
            selectedInvokers.add(invoker4);
            selectedInvokers.add(invoker5);
            Invoker sinvoker = cluster_nocheck.select(lb, invocation, invokers, selectedInvokers);
            Assert.assertTrue(invokers.contains(sinvoker));
        }
        
    }

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            selectedInvokers.clear();
            selectedInvokers.add(invoker1);
            selectedInvokers.add(invoker2);
            selectedInvokers.add(invoker3);
            selectedInvokers.add(invoker5);
            Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers);
            Assert.assertTrue(sinvoker == invoker4 );
        }
        {
            //边界测试.
            selectedInvokers.clear();
            selectedInvokers.add(invoker2);
            selectedInvokers.add(invoker3);
            selectedInvokers.add(invoker4);
            selectedInvokers.add(invoker5);
            Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers);
            Assert.assertTrue(sinvoker == invoker2 || sinvoker == invoker4);
        }
        {
            //边界测试.
            for(int i=0;i<100;i++){
                selectedInvokers.clear();
                Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers);
                Assert.assertTrue(sinvoker == invoker2 || sinvoker == invoker4);
            }
        }
        {
            //边界测试.
            for(int i=0;i<100;i++){
                selectedInvokers.clear();
                selectedInvokers.add(invoker1);
                selectedInvokers.add(invoker3);
                selectedInvokers.add(invoker5);
                Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers);
                Assert.assertTrue(sinvoker == invoker2 || sinvoker == invoker4);
            }
        }
        {
            //边界测试.
            for(int i=0;i<100;i++){
                selectedInvokers.clear();
                selectedInvokers.add(invoker1);
                selectedInvokers.add(invoker3);
                selectedInvokers.add(invoker2);
                selectedInvokers.add(invoker4);
                selectedInvokers.add(invoker5);
                Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers);
                Assert.assertTrue(sinvoker == invoker2 || sinvoker == invoker4);
            }
        }
    }

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        int runs =  d.intValue();
        Assert.assertTrue(runs>min);
        LoadBalance lb = ExtensionLoader.getExtensionLoader(LoadBalance.class).getExtension(lbname);
        initlistsize5();
        for(int i=0;i<runs;i++){
            Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers);
            Assert.assertEquals(true,sinvoker.isAvailable());
        }
        for(int i=0;i<runs;i++){
            selectedInvokers.clear();
            selectedInvokers.add(invoker1);
            Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers);
            Assert.assertEquals(true,sinvoker.isAvailable());
        }
        for(int i=0;i<runs;i++){
            selectedInvokers.clear();
            selectedInvokers.add(invoker2);
            Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers);
            Assert.assertEquals(true,sinvoker.isAvailable());
        }
        for(int i=0;i<runs;i++){
            selectedInvokers.clear();
            selectedInvokers.add(invoker2);
            selectedInvokers.add(invoker4);
            Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers);
            Assert.assertEquals(true,sinvoker.isAvailable());
        }
        for(int i=0;i<runs;i++){
            selectedInvokers.clear();
            selectedInvokers.add(invoker1);
            selectedInvokers.add(invoker3);
            selectedInvokers.add(invoker5);
            Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers);
            Assert.assertEquals(true,sinvoker.isAvailable());
        }
        for(int i=0;i<runs;i++){
            selectedInvokers.clear();
            selectedInvokers.add(invoker1);
            selectedInvokers.add(invoker2);
            selectedInvokers.add(invoker3);
            Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers);
            Assert.assertEquals(true,sinvoker.isAvailable());
        }
    }

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            counter.put(invoker, new AtomicLong(0));
        }
        int runs = 1000;
        for(int i=0;i<runs;i++){
            selectedInvokers.clear();
            Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers);
            counter.get(sinvoker).incrementAndGet();
        }
        
        for (Invoker minvoker :counter.keySet() ){
            Long count = counter.get(minvoker).get();

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        LoadBalance lb = ExtensionLoader.getExtensionLoader(LoadBalance.class).getExtension(loadbalanceName);
        for(Invoker invoker :invokers){
            counter.put(invoker, new AtomicLong(0));
        }
        for(int i=0;i<runs;i++){
            Invoker sinvoker = lb.select(invokers, invokers.get(0).getUrl(), invocation);
            counter.get(sinvoker).incrementAndGet();
        }
        return counter;
    }

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            registryDirectory.notify(serviceUrls);


            invocation = new RpcInvocation();
            List invokers = registryDirectory.list(invocation);


            Invoker invoker = (Invoker) invokers.get(0);
            URL url = invoker.getUrl();
            Assert.assertEquals(null, url.getParameter("key"));
        }
        // 检验服务提供方的参数需要merge
        {
            serviceUrls.clear();
            serviceUrls.add(SERVICEURL.addParameter("methods", "getXXX2").addParameter("key", "provider"));


            registryDirectory.notify(serviceUrls);
            invocation = new RpcInvocation();
            List invokers = registryDirectory.list(invocation);


            Invoker invoker = (Invoker) invokers.get(0);
            URL url = invoker.getUrl();
            Assert.assertEquals("provider", url.getParameter("key"));
        }
        // 检验服务query的参数需要与providermerge 。
        {
            serviceUrls.clear();
            serviceUrls.add(SERVICEURL.addParameter("methods", "getXXX3").addParameter("key", "provider"));


            registryDirectory2.notify(serviceUrls);
            invocation = new RpcInvocation();
            List invokers = registryDirectory2.list(invocation);


            Invoker invoker = (Invoker) invokers.get(0);
            URL url = invoker.getUrl();
            Assert.assertEquals("query", url.getParameter("key"));
        }


        {
            serviceUrls.clear();
            serviceUrls.add(SERVICEURL.addParameter("methods", "getXXX1"));
            registryDirectory.notify(serviceUrls);


            invocation = new RpcInvocation();
            List invokers = registryDirectory.list(invocation);


            Invoker invoker = (Invoker) invokers.get(0);
            URL url = invoker.getUrl();
            Assert.assertEquals(false, url.getParameter(Constants.CHECK_KEY, false));
        }
        {
            serviceUrls.clear();
            serviceUrls.add(SERVICEURL.addParameter(Constants.LOADBALANCE_KEY, RoundRobinLoadBalance.NAME));
            registryDirectory2.notify(serviceUrls);


            invocation = new RpcInvocation();
            invocation.setMethodName("get");
            List invokers = registryDirectory2.list(invocation);


            Invoker invoker = (Invoker) invokers.get(0);
            URL url = invoker.getUrl();
            Assert.assertEquals(LeastActiveLoadBalance.NAME, url.getMethodParameter("get", Constants.LOADBALANCE_KEY));
        }
        //test geturl
        {
          Assert.assertEquals(null, registryDirectory2.getUrl().getParameter("mock"));

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Related Classes of com.alibaba.dubbo.rpc.Invoker

com.alibaba.dubbo.registry.dubbo.RegistryDirectoryTest

com.alibaba.dubbo.rpc.cluster.loadbalance.LoadBalanceTest

com.alibaba.dubbo.rpc.cluster.support.AbstractClusterInvokerTest

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