Package io.vertx.core

Examples of io.vertx.core.Context

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    Counter prev = counters.putIfAbsent(name, counter);
    if (prev != null) {
      counter = prev;
    }
    Counter theCounter = counter;
    Context context = vertx.getOrCreateContext();
    context.runOnContext(v -> resultHandler.handle(Future.completedFuture(theCounter)));
  }
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  @Override
  public void join(Handler<AsyncResult<Void>> resultHandler) {
    this.nodeID = UUID.randomUUID().toString();
    doJoin(nodeID, this);
    Context context = vertx.getOrCreateContext();
    context.runOnContext(v -> {
      resultHandler.handle(Future.completedFuture());
    });
  }
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        nodeListener = null;
      }
      doLeave(nodeID);
      this.nodeID = null;
    }
    Context context = vertx.getOrCreateContext();
    context.runOnContext(v -> resultHandler.handle(Future.completedFuture()));
  }
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    for (int i = 0; i < numServers; i++) {
      HttpServer theServer = vertx.createHttpServer(new HttpServerOptions().setPort(DEFAULT_HTTP_PORT));
      servers.add(theServer);
      final AtomicReference<Context> context = new AtomicReference<>();
      theServer.requestHandler(req -> {
        Context ctx = vertx.context();
        if (context.get() != null) {
          assertSame(ctx, context.get());
        } else {
          context.set(ctx);
          contexts.add(ctx);
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  @Test
  public void testRunOnContext() throws Exception {
    vertx.runOnContext(v -> {
      Thread th = Thread.currentThread();
      Context ctx = vertx.context();
      ctx.runOnContext(v2 -> {
        assertEquals(th, Thread.currentThread());
        // Execute it a few times to make sure it returns same context
        for (int i = 0; i < 10; i++) {
          Context c = vertx.context();
          assertEquals(ctx, c);
        }
        // And simulate a third party thread - e.g. a 3rd party async library wishing to return a result on the
        // correct context
        new Thread() {
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  @Test
  public void testNoContext() throws Exception {
    Set<Context> ctxts = new HashSet<>();
    // We are not on a context when we call this so we should be given a new context each time
    for (int i = 0; i < 10; i++) {
      Context ctx = vertx.context();
      assertFalse(ctxts.contains(ctx));
      ctxts.add(ctx);
    }
    testComplete();
  }
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  @Test
  public void testDeployFromContext() throws Exception {
    MyVerticle verticle = new MyVerticle();
    vertx.deployVerticle(verticle, ar -> {
      assertTrue(ar.succeeded());
      Context ctx = vertx.context();
      MyVerticle verticle2 = new MyVerticle();
      vertx.deployVerticle(verticle2, ar2 -> {
        assertDeployment(2, verticle2, null, ar2);
        Context ctx2 = vertx.context();
        assertEquals(ctx, ctx2);
        testComplete();
      });
    });
    await();
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  private void testDeployFromThrowableInStart(int startAction, Class<? extends Throwable> expectedThrowable) throws Exception {
    MyVerticle verticle = new MyVerticle();
    vertx.deployVerticle(verticle, ar -> {
      assertTrue(ar.succeeded());
      Context ctx = vertx.context();
      MyVerticle verticle2 = new MyVerticle(startAction, MyVerticle.NOOP);
      vertx.deployVerticle(verticle2, ar2 -> {
        assertFalse(ar2.succeeded());
        assertEquals(expectedThrowable, ar2.cause().getClass());
        assertEquals("FooBar!", ar2.cause().getMessage());
        assertEquals(1, vertx.deployments().size());
        Context ctx2 = vertx.context();
        assertEquals(ctx, ctx2);
        testComplete();
      });
    });
    await();
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  private void testDeployFromContextThrowableInStop(int stopAction, Class<? extends Throwable> expectedThrowable) throws Exception {
    MyVerticle verticle = new MyVerticle();
    vertx.deployVerticle(verticle, ar -> {
      assertTrue(ar.succeeded());
      Context ctx = vertx.context();
      MyVerticle verticle2 = new MyVerticle(MyVerticle.NOOP, stopAction);
      vertx.deployVerticle(verticle2, ar2 -> {
        assertTrue(ar2.succeeded());
        vertx.undeployVerticle(ar2.result(), ar3 -> {
          assertFalse(ar3.succeeded());
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      vertx.undeployVerticle(ar.result(), ar2 -> {
        assertTrue(ar2.succeeded());
        assertNull(ar2.result());
        assertFalse(vertx.deployments().contains(ar.result()));
        assertEquals(verticle.startContext, verticle.stopContext);
        Context currentContext = vertx.context();
        assertNotSame(currentContext, verticle.startContext);
        testComplete();
      });
    });
    await();
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Related Classes of io.vertx.core.Context

  • io.vertx.core.impl.DeploymentManager
  • io.vertx.core.shareddata.impl.AsynchronousCounter
  • io.vertx.core.shareddata.impl.AsynchronousLock
  • io.vertx.core.shareddata.impl.SharedDataImpl
  • io.vertx.test.core.ContextTest
  • io.vertx.test.core.DeploymentTest
  • io.vertx.test.core.HttpTest
  • io.vertx.test.fakecluster.FakeClusterManager
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