Examples with TransportAction org.elasticsearch.action.support.TransportAction used on opensource projects

Example 1 with TransportAction

use of org.elasticsearch.action.support.TransportAction in project elasticsearch by elastic.

the class TransportMultiSearchActionTests method testBatchExecute.

public void testBatchExecute() throws Exception {
    // Initialize dependencies of TransportMultiSearchAction
    Settings settings = Settings.builder().put("node.name", TransportMultiSearchActionTests.class.getSimpleName()).build();
    ActionFilters actionFilters = mock(ActionFilters.class);
    when(actionFilters.filters()).thenReturn(new ActionFilter[0]);
    ThreadPool threadPool = new ThreadPool(settings);
    TaskManager taskManager = mock(TaskManager.class);
    TransportService transportService = new TransportService(Settings.EMPTY, null, null, TransportService.NOOP_TRANSPORT_INTERCEPTOR, boundAddress -> DiscoveryNode.createLocal(settings, boundAddress.publishAddress(), UUIDs.randomBase64UUID()), null) {

        @Override
        public TaskManager getTaskManager() {
            return taskManager;
        }
    };
    ClusterService clusterService = mock(ClusterService.class);
    when(clusterService.state()).thenReturn(ClusterState.builder(new ClusterName("test")).build());
    IndexNameExpressionResolver resolver = new IndexNameExpressionResolver(Settings.EMPTY);
    // Keep track of the number of concurrent searches started by multi search api,
    // and if there are more searches than is allowed create an error and remember that.
    int maxAllowedConcurrentSearches = scaledRandomIntBetween(1, 16);
    AtomicInteger counter = new AtomicInteger();
    AtomicReference<AssertionError> errorHolder = new AtomicReference<>();
    // randomize whether or not requests are executed asynchronously
    final List<String> threadPoolNames = Arrays.asList(ThreadPool.Names.GENERIC, ThreadPool.Names.SAME);
    Randomness.shuffle(threadPoolNames);
    final ExecutorService commonExecutor = threadPool.executor(threadPoolNames.get(0));
    final ExecutorService rarelyExecutor = threadPool.executor(threadPoolNames.get(1));
    final Set<SearchRequest> requests = Collections.newSetFromMap(Collections.synchronizedMap(new IdentityHashMap<>()));
    TransportAction<SearchRequest, SearchResponse> searchAction = new TransportAction<SearchRequest, SearchResponse>(Settings.EMPTY, "action", threadPool, actionFilters, resolver, taskManager) {

        @Override
        protected void doExecute(SearchRequest request, ActionListener<SearchResponse> listener) {
            requests.add(request);
            int currentConcurrentSearches = counter.incrementAndGet();
            if (currentConcurrentSearches > maxAllowedConcurrentSearches) {
                errorHolder.set(new AssertionError("Current concurrent search [" + currentConcurrentSearches + "] is higher than is allowed [" + maxAllowedConcurrentSearches + "]"));
            }
            final ExecutorService executorService = rarely() ? rarelyExecutor : commonExecutor;
            executorService.execute(() -> {
                counter.decrementAndGet();
                listener.onResponse(new SearchResponse());
            });
        }
    };
    TransportMultiSearchAction action = new TransportMultiSearchAction(threadPool, actionFilters, transportService, clusterService, searchAction, resolver, 10);
    // Execute the multi search api and fail if we find an error after executing:
    try {
        /*
             * Allow for a large number of search requests in a single batch as previous implementations could stack overflow if the number
             * of requests in a single batch was large
             */
        int numSearchRequests = scaledRandomIntBetween(1, 8192);
        MultiSearchRequest multiSearchRequest = new MultiSearchRequest();
        multiSearchRequest.maxConcurrentSearchRequests(maxAllowedConcurrentSearches);
        for (int i = 0; i < numSearchRequests; i++) {
            multiSearchRequest.add(new SearchRequest());
        }
        MultiSearchResponse response = action.execute(multiSearchRequest).actionGet();
        assertThat(response.getResponses().length, equalTo(numSearchRequests));
        assertThat(requests.size(), equalTo(numSearchRequests));
        assertThat(errorHolder.get(), nullValue());
    } finally {
        assertTrue(ESTestCase.terminate(threadPool));
    }
}

Example 2 with TransportAction

use of org.elasticsearch.action.support.TransportAction in project elasticsearch by elastic.

the class ActionModuleTests method testPluginCanRegisterAction.

public void testPluginCanRegisterAction() {
    class FakeRequest extends ActionRequest {

        @Override
        public ActionRequestValidationException validate() {
            return null;
        }
    }
    class FakeTransportAction extends TransportAction<FakeRequest, ActionResponse> {

        protected FakeTransportAction(Settings settings, String actionName, ThreadPool threadPool, ActionFilters actionFilters, IndexNameExpressionResolver indexNameExpressionResolver, TaskManager taskManager) {
            super(settings, actionName, threadPool, actionFilters, indexNameExpressionResolver, taskManager);
        }

        @Override
        protected void doExecute(FakeRequest request, ActionListener<ActionResponse> listener) {
        }
    }
    class FakeAction extends GenericAction<FakeRequest, ActionResponse> {

        protected FakeAction() {
            super("fake");
        }

        @Override
        public ActionResponse newResponse() {
            return null;
        }
    }
    FakeAction action = new FakeAction();
    ActionPlugin registersFakeAction = new ActionPlugin() {

        @Override
        public List<ActionHandler<? extends ActionRequest, ? extends ActionResponse>> getActions() {
            return singletonList(new ActionHandler<>(action, FakeTransportAction.class));
        }
    };
    assertThat(ActionModule.setupActions(singletonList(registersFakeAction)), hasEntry("fake", new ActionHandler<>(action, FakeTransportAction.class)));
}