Examples with LoadBalance org.apache.dubbo.rpc.cluster.LoadBalance used on opensource projects

Example 11 with LoadBalance

use of org.apache.dubbo.rpc.cluster.LoadBalance in project dubbo by alibaba.

the class MockClusterInvokerTest method getClusterInvokerMock.

private Invoker<IHelloService> getClusterInvokerMock(URL url, Invoker<IHelloService> mockInvoker) {
    // As `javassist` have a strict restriction of argument types, request will fail if Invocation do not contains complete parameter type information
    final URL durl = url.addParameter("proxy", "jdk");
    invokers.clear();
    ProxyFactory proxy = ExtensionLoader.getExtensionLoader(ProxyFactory.class).getExtension("jdk");
    Invoker<IHelloService> invoker1 = proxy.getInvoker(new HelloService(), IHelloService.class, durl);
    invokers.add(invoker1);
    if (mockInvoker != null) {
        invokers.add(mockInvoker);
    }
    StaticDirectory<IHelloService> dic = new StaticDirectory<IHelloService>(durl, invokers, null);
    dic.buildRouterChain();
    AbstractClusterInvoker<IHelloService> cluster = new AbstractClusterInvoker(dic) {

        @Override
        protected Result doInvoke(Invocation invocation, List invokers, LoadBalance loadbalance) throws RpcException {
            if (durl.getParameter("invoke_return_error", false)) {
                throw new RpcException(RpcException.TIMEOUT_EXCEPTION, "test rpc exception");
            } else {
                return ((Invoker<?>) invokers.get(0)).invoke(invocation);
            }
        }
    };
    return new MockClusterInvoker<IHelloService>(dic, cluster);
}

Example 12 with LoadBalance

use of org.apache.dubbo.rpc.cluster.LoadBalance in project dubbo by alibaba.

the class MockProviderRpcExceptionTest method getClusterInvokerMock.

private Invoker<IHelloRpcService> getClusterInvokerMock(URL url, Invoker<IHelloRpcService> mockInvoker) {
    // As `javassist` have a strict restriction of argument types, request will fail if Invocation do not contains complete parameter type information
    final URL durl = url.addParameter("proxy", "jdk");
    invokers.clear();
    ProxyFactory proxy = ExtensionLoader.getExtensionLoader(ProxyFactory.class).getExtension("jdk");
    Invoker<IHelloRpcService> invoker1 = proxy.getInvoker(new HelloRpcService(), IHelloRpcService.class, durl);
    invokers.add(invoker1);
    if (mockInvoker != null) {
        invokers.add(mockInvoker);
    }
    StaticDirectory<IHelloRpcService> dic = new StaticDirectory<IHelloRpcService>(durl, invokers, null);
    dic.buildRouterChain();
    AbstractClusterInvoker<IHelloRpcService> cluster = new AbstractClusterInvoker(dic) {

        @Override
        protected Result doInvoke(Invocation invocation, List invokers, LoadBalance loadbalance) throws RpcException {
            if (durl.getParameter("invoke_return_error", false)) {
                throw new RpcException(RpcException.TIMEOUT_EXCEPTION, "test rpc exception ");
            } else {
                return ((Invoker<?>) invokers.get(0)).invoke(invocation);
            }
        }
    };
    return new MockClusterInvoker<IHelloRpcService>(dic, cluster);
}

Example 13 with LoadBalance

use of org.apache.dubbo.rpc.cluster.LoadBalance in project dubbo by alibaba.

the class AbstractClusterInvoker method invoke.

@Override
public Result invoke(final Invocation invocation) throws RpcException {
    checkWhetherDestroyed();
    // binding attachments into invocation.
    Map<String, Object> contextAttachments = RpcContext.getContext().getObjectAttachments();
    if (contextAttachments != null && contextAttachments.size() != 0) {
        ((RpcInvocation) invocation).addObjectAttachments(contextAttachments);
    }
    List<Invoker<T>> invokers = list(invocation);
    LoadBalance loadbalance = initLoadBalance(invokers, invocation);
    RpcUtils.attachInvocationIdIfAsync(getUrl(), invocation);
    return doInvoke(invocation, invokers, loadbalance);
}