use of com.alibaba.dubbo.rpc.RpcInvocation in project dubbo by alibaba.
the class MergeableClusterInvoker method invoke.
@SuppressWarnings("rawtypes")
public Result invoke(final Invocation invocation) throws RpcException {
List<Invoker<T>> invokers = directory.list(invocation);
String merger = getUrl().getMethodParameter(invocation.getMethodName(), Constants.MERGER_KEY);
if (ConfigUtils.isEmpty(merger)) {
// If a method doesn't have a merger, only invoke one Group
for (final Invoker<T> invoker : invokers) {
if (invoker.isAvailable()) {
return invoker.invoke(invocation);
}
}
return invokers.iterator().next().invoke(invocation);
}
Class<?> returnType;
try {
returnType = getInterface().getMethod(invocation.getMethodName(), invocation.getParameterTypes()).getReturnType();
} catch (NoSuchMethodException e) {
returnType = null;
}
Map<String, Future<Result>> results = new HashMap<String, Future<Result>>();
for (final Invoker<T> invoker : invokers) {
Future<Result> future = executor.submit(new Callable<Result>() {
public Result call() throws Exception {
return invoker.invoke(new RpcInvocation(invocation, invoker));
}
});
results.put(invoker.getUrl().getServiceKey(), future);
}
Object result = null;
List<Result> resultList = new ArrayList<Result>(results.size());
int timeout = getUrl().getMethodParameter(invocation.getMethodName(), Constants.TIMEOUT_KEY, Constants.DEFAULT_TIMEOUT);
for (Map.Entry<String, Future<Result>> entry : results.entrySet()) {
Future<Result> future = entry.getValue();
try {
Result r = future.get(timeout, TimeUnit.MILLISECONDS);
if (r.hasException()) {
log.error(new StringBuilder(32).append("Invoke ").append(getGroupDescFromServiceKey(entry.getKey())).append(" failed: ").append(r.getException().getMessage()).toString(), r.getException());
} else {
resultList.add(r);
}
} catch (Exception e) {
throw new RpcException(new StringBuilder(32).append("Failed to invoke service ").append(entry.getKey()).append(": ").append(e.getMessage()).toString(), e);
}
}
if (resultList.isEmpty()) {
return new RpcResult((Object) null);
} else if (resultList.size() == 1) {
return resultList.iterator().next();
}
if (returnType == void.class) {
return new RpcResult((Object) null);
}
if (merger.startsWith(".")) {
merger = merger.substring(1);
Method method;
try {
method = returnType.getMethod(merger, returnType);
} catch (NoSuchMethodException e) {
throw new RpcException(new StringBuilder(32).append("Can not merge result because missing method [ ").append(merger).append(" ] in class [ ").append(returnType.getClass().getName()).append(" ]").toString());
}
if (!Modifier.isPublic(method.getModifiers())) {
method.setAccessible(true);
}
result = resultList.remove(0).getValue();
try {
if (method.getReturnType() != void.class && method.getReturnType().isAssignableFrom(result.getClass())) {
for (Result r : resultList) {
result = method.invoke(result, r.getValue());
}
} else {
for (Result r : resultList) {
method.invoke(result, r.getValue());
}
}
} catch (Exception e) {
throw new RpcException(new StringBuilder(32).append("Can not merge result: ").append(e.getMessage()).toString(), e);
}
} else {
Merger resultMerger;
if (ConfigUtils.isDefault(merger)) {
resultMerger = MergerFactory.getMerger(returnType);
} else {
resultMerger = ExtensionLoader.getExtensionLoader(Merger.class).getExtension(merger);
}
if (resultMerger != null) {
List<Object> rets = new ArrayList<Object>(resultList.size());
for (Result r : resultList) {
rets.add(r.getValue());
}
result = resultMerger.merge(rets.toArray((Object[]) Array.newInstance(returnType, 0)));
} else {
throw new RpcException("There is no merger to merge result.");
}
}
return new RpcResult(result);
}
use of com.alibaba.dubbo.rpc.RpcInvocation in project dubbo by alibaba.
the class ConditionRouterTest method testRoute_False_HostFilter.
@Test
public void testRoute_False_HostFilter() {
Router router = new ConditionRouterFactory().getRouter(getRouteUrl("true => " + " host = " + NetUtils.getLocalHost()));
List<Invoker<String>> invokers = new ArrayList<Invoker<String>>();
Invoker<String> invoker1 = new MockInvoker<String>(URL.valueOf("dubbo://10.20.3.3:20880/com.foo.BarService"));
Invoker<String> invoker2 = new MockInvoker<String>(URL.valueOf("dubbo://" + NetUtils.getLocalHost() + ":20880/com.foo.BarService"));
Invoker<String> invoker3 = new MockInvoker<String>(URL.valueOf("dubbo://" + NetUtils.getLocalHost() + ":20880/com.foo.BarService"));
invokers.add(invoker1);
invokers.add(invoker2);
invokers.add(invoker3);
List<Invoker<String>> fileredInvokers = router.route(invokers, URL.valueOf("consumer://" + NetUtils.getLocalHost() + "/com.foo.BarService"), new RpcInvocation());
Assert.assertEquals(2, fileredInvokers.size());
Assert.assertEquals(invoker2, fileredInvokers.get(0));
Assert.assertEquals(invoker3, fileredInvokers.get(1));
}
use of com.alibaba.dubbo.rpc.RpcInvocation in project dubbo by alibaba.
the class ConditionRouterTest method testRoute_ReturnFalse.
@Test
public void testRoute_ReturnFalse() {
Router router = new ConditionRouterFactory().getRouter(getRouteUrl("host = " + NetUtils.getLocalHost() + " => false"));
List<Invoker<String>> invokers = new ArrayList<Invoker<String>>();
invokers.add(new MockInvoker<String>());
invokers.add(new MockInvoker<String>());
invokers.add(new MockInvoker<String>());
List<Invoker<String>> fileredInvokers = router.route(invokers, URL.valueOf("consumer://" + NetUtils.getLocalHost() + "/com.foo.BarService"), new RpcInvocation());
Assert.assertEquals(0, fileredInvokers.size());
}
use of com.alibaba.dubbo.rpc.RpcInvocation in project dubbo by alibaba.
the class ConditionRouterTest method testRoute_ReturnAll.
@Test
public void testRoute_ReturnAll() {
Router router = new ConditionRouterFactory().getRouter(getRouteUrl("host = " + NetUtils.getLocalHost() + " => " + " host = " + NetUtils.getLocalHost()));
List<Invoker<String>> invokers = new ArrayList<Invoker<String>>();
invokers.add(new MockInvoker<String>());
invokers.add(new MockInvoker<String>());
invokers.add(new MockInvoker<String>());
List<Invoker<String>> fileredInvokers = router.route(invokers, URL.valueOf("consumer://" + NetUtils.getLocalHost() + "/com.foo.BarService"), new RpcInvocation());
Assert.assertEquals(invokers, fileredInvokers);
}
use of com.alibaba.dubbo.rpc.RpcInvocation in project dubbo by alibaba.
the class ConditionRouterTest method testRoute_Force.
@Test
public void testRoute_Force() {
Router router = new ConditionRouterFactory().getRouter(getRouteUrl("host = " + NetUtils.getLocalHost() + " => " + " host = 1.2.3.4").addParameter(Constants.FORCE_KEY, String.valueOf(true)));
List<Invoker<String>> invokers = new ArrayList<Invoker<String>>();
Invoker<String> invoker1 = new MockInvoker<String>(URL.valueOf("dubbo://10.20.3.3:20880/com.foo.BarService"));
Invoker<String> invoker2 = new MockInvoker<String>(URL.valueOf("dubbo://" + NetUtils.getLocalHost() + ":20880/com.foo.BarService"));
Invoker<String> invoker3 = new MockInvoker<String>(URL.valueOf("dubbo://" + NetUtils.getLocalHost() + ":20880/com.foo.BarService"));
invokers.add(invoker1);
invokers.add(invoker2);
invokers.add(invoker3);
List<Invoker<String>> fileredInvokers = router.route(invokers, URL.valueOf("consumer://" + NetUtils.getLocalHost() + "/com.foo.BarService"), new RpcInvocation());
Assert.assertEquals(0, fileredInvokers.size());
}
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