Package io.vertx.core.shareddata

Examples of io.vertx.core.shareddata.LocalMap

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  }

  @Test
  public void testMapTypes() throws Exception {

    LocalMap map = sharedData.getLocalMap("foo");

    String key = "key";

    double d = new Random().nextDouble();
    map.put(key, d);
    assertEquals(d, map.get(key));

    float f = new Random().nextFloat();
    map.put(key, f);
    assertEquals(f, map.get(key));

    byte b = (byte)new Random().nextInt();
    map.put(key, b);
    assertEquals(b, map.get(key));

    short s = (short)new Random().nextInt();
    map.put(key, s);
    assertEquals(s, map.get(key));

    int i = new Random().nextInt();
    map.put(key, i);
    assertEquals(i, map.get(key));

    long l = new Random().nextLong();
    map.put(key, l);
    assertEquals(l, map.get(key));

    map.put(key, true);
    assertTrue((Boolean)map.get(key));

    map.put(key, false);
    assertFalse((Boolean) map.get(key));

    char c = (char)new Random().nextLong();
    map.put(key, c);
    assertEquals(c, map.get(key));

    Buffer buff = TestUtils.randomBuffer(100);
    map.put(key, buff);
    Buffer got1 = (Buffer)map.get(key);
    assertTrue(got1 != buff); // Make sure it's copied
    assertEquals(buff, map.get(key));
    Buffer got2 = (Buffer)map.get(key);
    assertTrue(got1 != got2); // Should be copied each time
    assertTrue(got2 != buff);
    assertEquals(buff, map.get(key));


    byte[] bytes = TestUtils.randomByteArray(100);
    map.put(key, bytes);
    byte[] bgot1 = (byte[]) map.get(key);
    assertTrue(bgot1 != bytes);
    assertTrue(TestUtils.byteArraysEqual(bytes, bgot1));
    byte[] bgot2 = (byte[]) map.get(key);
    assertTrue(bgot2 != bytes);
    assertTrue(bgot1 != bgot2);
    assertTrue(TestUtils.byteArraysEqual(bytes, bgot2));

    assertIllegalArgumentException(() -> map.put(key, new SomeOtherClass()));
  }
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  @SuppressWarnings("unchecked")
  public <K, V> LocalMap<K, V> getLocalMap(String name) {
    LocalMap<K, V> map = (LocalMap<K, V>) localMaps.get(name);
    if (map == null) {
      map = new LocalMapImpl<>(name, localMaps);
      LocalMap prev = localMaps.putIfAbsent(name, map);
      if (prev != null) {
        map = prev;
      }
    }
    return map;
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Related Classes of io.vertx.core.shareddata.LocalMap

  • io.vertx.core.shareddata.impl.SharedDataImpl
  • io.vertx.test.core.LocalSharedDataTest
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