Examples of com.alibaba.dubbo.rpc.cluster.LoadBalance

com.alibaba.dubbo.rpc.cluster.LoadBalance
kipedia.org/wiki/Load_balancing_(computing)">Load-Balancing @see com.alibaba.dubbo.rpc.cluster.Cluster#join(Directory) @author qian.lei @author william.liangf

    
    public Result invoke(final Invocation invocation) throws RpcException {


        checkWheatherDestoried();


        LoadBalance loadbalance;
        
        List<Invoker<T>> invokers = list(invocation);
        if (invokers != null && invokers.size() > 0) {
            loadbalance = ExtensionLoader.getExtensionLoader(LoadBalance.class).getExtension(invokers.get(0).getUrl()
                    .getMethodParameter(invocation.getMethodName(),Constants.LOADBALANCE_KEY, Constants.DEFAULT_LOADBALANCE));

View Full Code Here

        testSelect_multiInvokers( RandomLoadBalance.NAME);
    }
    
    @Test
    public void testCloseAvailablecheck(){
        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());

View Full Code Here

    }
    
    @Test
    public void testDonotSelectAgainAndNoCheckAvailable(){
        
        LoadBalance lb = ExtensionLoader.getExtensionLoader(LoadBalance.class).getExtension(RoundRobinLoadBalance.NAME);
        initlistsize5();
        {
            //边界测试.
            selectedInvokers.clear();
            selectedInvokers.add(invoker2);

View Full Code Here

    }
    
    @Test
    public void testSelectAgainAndCheckAvailable(){
        
        LoadBalance lb = ExtensionLoader.getExtensionLoader(LoadBalance.class).getExtension(RoundRobinLoadBalance.NAME);
        initlistsize5();
        {
            //边界测试.
            selectedInvokers.clear();
            selectedInvokers.add(invoker1);

View Full Code Here

        
        int min=1000,max=5000;
        Double d =  (Math.random()*(max-min+1)+min);
        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());
        }

View Full Code Here

     * 测试均衡.
     */
    @Test
    public void testSelectBalance(){
        
        LoadBalance lb = ExtensionLoader.getExtensionLoader(LoadBalance.class).getExtension(RoundRobinLoadBalance.NAME);
        initlistsize5();
        
        Map<Invoker,AtomicLong> counter = new ConcurrentHashMap<Invoker,AtomicLong>();
        for(Invoker invoker :invokers){
            counter.put(invoker, new AtomicLong(0));

View Full Code Here

    }
    
    
    public Map<Invoker,AtomicLong> getInvokeCounter(int runs,String loadbalanceName) {
        Map<Invoker,AtomicLong> counter = new ConcurrentHashMap<Invoker,AtomicLong>();
        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;
    }

View Full Code Here

    
    public Result invoke(final Invocation invocation) throws RpcException {


        checkWheatherDestoried();


        LoadBalance loadbalance;
        
        List<Invoker<T>> invokers = list(invocation);
        if (invokers != null && invokers.size() > 0) {
            loadbalance = ExtensionLoader.getExtensionLoader(LoadBalance.class).getExtension(invokers.get(0).getUrl()
                    .getMethodParameter(invocation.getMethodName(),Constants.LOADBALANCE_KEY, Constants.DEFAULT_LOADBALANCE));

View Full Code Here

            throw new RpcException("Rpc invoker for " + getInterface() + " on consumer " + NetUtils.getLocalHost() 
                    + " use dubbo version " + Version.getVersion()
                    + " is not destroyed! Can not invoke any more.");
        }
        
        LoadBalance loadbalance;
        
        List<Invoker<T>> invokers = directory.list(invocation);
        if (invokers != null && invokers.size() > 0) {
            loadbalance = ExtensionLoader.getExtensionLoader(LoadBalance.class).getExtension(invokers.get(0).getUrl()
                    .getMethodParameter(invocation.getMethodName(),Constants.LOADBALANCE_KEY, Constants.DEFAULT_LOADBALANCE));

View Full Code Here

            throw new RpcException("Rpc invoker for " + getInterface() + " on consumer " + NetUtils.getLocalHost() 
                    + " use dubbo version " + Version.getVersion()
                    + " is not destroyed! Can not invoke any more.");
        }
        
        LoadBalance loadbalance;
        
        List<Invoker<T>> invokers = directory.list(invocation);
        if (invokers != null && invokers.size() > 0) {
            loadbalance = ExtensionLoader.getExtensionLoader(LoadBalance.class).getExtension(invokers.get(0).getUrl()
                    .getMethodParameter(invocation.getMethodName(),Constants.LOADBALANCE_KEY, Constants.DEFAULT_LOADBALANCE));

View Full Code Here

0 1

TOP

Related Classes of com.alibaba.dubbo.rpc.cluster.LoadBalance

com.alibaba.dubbo.rpc.cluster.loadbalance.LoadBalanceAdptive

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

com.alibaba.dubbo.rpc.cluster.support.AbstractClusterInvoker

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

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.