Examples with RpcResult com.alibaba.dubbo.rpc.RpcResult used on opensource projects

Example 16 with RpcResult

use of com.alibaba.dubbo.rpc.RpcResult in project dubbo by alibaba.

the class MockClusterInvoker method doMockInvoke.

@SuppressWarnings({ "unchecked", "rawtypes" })
private Result doMockInvoke(Invocation invocation, RpcException e) {
    Result result = null;
    Invoker<T> minvoker;
    List<Invoker<T>> mockInvokers = selectMockInvoker(invocation);
    if (mockInvokers == null || mockInvokers.size() == 0) {
        minvoker = (Invoker<T>) new MockInvoker(directory.getUrl());
    } else {
        minvoker = mockInvokers.get(0);
    }
    try {
        result = minvoker.invoke(invocation);
    } catch (RpcException me) {
        if (me.isBiz()) {
            result = new RpcResult(me.getCause());
        } else {
            throw new RpcException(me.getCode(), getMockExceptionMessage(e, me), me.getCause());
        }
    //			
    } catch (Throwable me) {
        throw new RpcException(getMockExceptionMessage(e, me), me.getCause());
    }
    return result;
}

Example 17 with RpcResult

use of com.alibaba.dubbo.rpc.RpcResult in project dubbo by alibaba.

the class FailbackClusterInvoker method doInvoke.

protected Result doInvoke(Invocation invocation, List<Invoker<T>> invokers, LoadBalance loadbalance) throws RpcException {
    try {
        checkInvokers(invokers, invocation);
        Invoker<T> invoker = select(loadbalance, invocation, invokers, null);
        return invoker.invoke(invocation);
    } catch (Throwable e) {
        logger.error("Failback to invoke method " + invocation.getMethodName() + ", wait for retry in background. Ignored exception: " + e.getMessage() + ", ", e);
        addFailed(invocation, this);
        // ignore
        return new RpcResult();
    }
}

Example 18 with RpcResult

use of com.alibaba.dubbo.rpc.RpcResult in project dubbo by alibaba.

the class MergeableClusterInvokerTest method testAddMenu.

@Test
public void testAddMenu() throws Exception {
    String menu = "first";
    List<String> menuItems = new ArrayList<String>() {

        {
            add("1");
            add("2");
        }
    };
    EasyMock.expect(invocation.getMethodName()).andReturn("addMenu").anyTimes();
    EasyMock.expect(invocation.getParameterTypes()).andReturn(new Class<?>[] { String.class, List.class }).anyTimes();
    EasyMock.expect(invocation.getArguments()).andReturn(new Object[] { menu, menuItems }).anyTimes();
    EasyMock.expect(invocation.getAttachments()).andReturn(new HashMap<String, String>()).anyTimes();
    EasyMock.expect(invocation.getInvoker()).andReturn(firstInvoker).anyTimes();
    EasyMock.replay(invocation);
    EasyMock.expect(firstInvoker.getUrl()).andReturn(url.addParameter(Constants.GROUP_KEY, "first")).anyTimes();
    EasyMock.expect(firstInvoker.getInterface()).andReturn(MenuService.class).anyTimes();
    EasyMock.expect(firstInvoker.invoke(invocation)).andReturn(new RpcResult()).anyTimes();
    EasyMock.expect(firstInvoker.isAvailable()).andReturn(true).anyTimes();
    EasyMock.replay(firstInvoker);
    EasyMock.expect(secondInvoker.getUrl()).andReturn(url.addParameter(Constants.GROUP_KEY, "second")).anyTimes();
    EasyMock.expect(secondInvoker.getInterface()).andReturn(MenuService.class).anyTimes();
    EasyMock.expect(secondInvoker.invoke(invocation)).andReturn(new RpcResult()).anyTimes();
    EasyMock.expect(secondInvoker.isAvailable()).andReturn(true).anyTimes();
    EasyMock.replay(secondInvoker);
    EasyMock.expect(directory.list(invocation)).andReturn(new ArrayList() {

        {
            add(firstInvoker);
            add(secondInvoker);
        }
    }).anyTimes();
    EasyMock.expect(directory.getUrl()).andReturn(url).anyTimes();
    EasyMock.expect(directory.getInterface()).andReturn(MenuService.class).anyTimes();
    EasyMock.replay(directory);
    mergeableClusterInvoker = new MergeableClusterInvoker<MenuService>(directory);
    Result result = mergeableClusterInvoker.invoke(invocation);
    Assert.assertNull(result.getValue());
}

Example 19 with RpcResult

use of com.alibaba.dubbo.rpc.RpcResult in project dubbo by alibaba.

the class MergeableClusterInvokerTest method testGetMenuSuccessfully.

@Test
public void testGetMenuSuccessfully() throws Exception {
    // setup
    url = url.addParameter(Constants.MERGER_KEY, ".merge");
    EasyMock.expect(invocation.getMethodName()).andReturn("getMenu").anyTimes();
    EasyMock.expect(invocation.getParameterTypes()).andReturn(new Class<?>[] {}).anyTimes();
    EasyMock.expect(invocation.getArguments()).andReturn(new Object[] {}).anyTimes();
    EasyMock.expect(invocation.getAttachments()).andReturn(new HashMap<String, String>()).anyTimes();
    EasyMock.expect(invocation.getInvoker()).andReturn(firstInvoker).anyTimes();
    EasyMock.replay(invocation);
    firstInvoker = (Invoker) Proxy.newProxyInstance(getClass().getClassLoader(), new Class<?>[] { Invoker.class }, new InvocationHandler() {

        public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
            if ("getUrl".equals(method.getName())) {
                return url.addParameter(Constants.GROUP_KEY, "first");
            }
            if ("getInterface".equals(method.getName())) {
                return MenuService.class;
            }
            if ("invoke".equals(method.getName())) {
                return new RpcResult(firstMenu);
            }
            return null;
        }
    });
    secondInvoker = (Invoker) Proxy.newProxyInstance(getClass().getClassLoader(), new Class<?>[] { Invoker.class }, new InvocationHandler() {

        public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
            if ("getUrl".equals(method.getName())) {
                return url.addParameter(Constants.GROUP_KEY, "second");
            }
            if ("getInterface".equals(method.getName())) {
                return MenuService.class;
            }
            if ("invoke".equals(method.getName())) {
                return new RpcResult(secondMenu);
            }
            return null;
        }
    });
    EasyMock.expect(directory.list(invocation)).andReturn(new ArrayList() {

        {
            add(firstInvoker);
            add(secondInvoker);
        }
    }).anyTimes();
    EasyMock.expect(directory.getUrl()).andReturn(url).anyTimes();
    EasyMock.expect(directory.getInterface()).andReturn(MenuService.class).anyTimes();
    EasyMock.replay(directory);
    mergeableClusterInvoker = new MergeableClusterInvoker<MenuService>(directory);
    // invoke
    Result result = mergeableClusterInvoker.invoke(invocation);
    Assert.assertTrue(result.getValue() instanceof Menu);
    Menu menu = (Menu) result.getValue();
    Map<String, List<String>> expected = new HashMap<String, List<String>>();
    merge(expected, firstMenuMap);
    merge(expected, secondMenuMap);
    TestCase.assertEquals(expected.keySet(), menu.getMenus().keySet());
    for (String key : expected.keySet()) {
        // FIXME: cannot guarantee the sequence of the merge result, check implementation in
        // MergeableClusterInvoker#invoke
        List<String> values1 = new ArrayList<String>(expected.get(key));
        List<String> values2 = new ArrayList<String>(menu.getMenus().get(key));
        Collections.sort(values1);
        Collections.sort(values2);
        TestCase.assertEquals(values1, values2);
    }
}

Example 20 with RpcResult

use of com.alibaba.dubbo.rpc.RpcResult in project dubbo by alibaba.

the class CacheFilter method invoke.

public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
    if (cacheFactory != null && ConfigUtils.isNotEmpty(invoker.getUrl().getMethodParameter(invocation.getMethodName(), Constants.CACHE_KEY))) {
        Cache cache = cacheFactory.getCache(invoker.getUrl().addParameter(Constants.METHOD_KEY, invocation.getMethodName()));
        if (cache != null) {
            String key = StringUtils.toArgumentString(invocation.getArguments());
            if (cache != null && key != null) {
                Object value = cache.get(key);
                if (value != null) {
                    return new RpcResult(value);
                }
                Result result = invoker.invoke(invocation);
                if (!result.hasException()) {
                    cache.put(key, result.getValue());
                }
                return result;
            }
        }
    }
    return invoker.invoke(invocation);
}