Package com.facebook.util.digest

Examples of com.facebook.util.digest.LongMurmur3Hash

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  @Test(groups = "fast")
  public void testMerge() throws Exception {
    IntegerHashSetFactory longHashSetFactory = new IntegerHashSetFactory(maxSetSize);
    SampledSet<Long> otherSet =
      new SampledSetImpl<Long>(maxSetSize / 4, new LongMurmur3Hash(), longHashSetFactory);
    int firstSetSize = maxSetSize / 2;
   
    // populate the first set to its max size
    for (int i = 0; i < firstSetSize; i++) {
      integerSet.add((long)i);
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  }
 
  @Test(groups = "fast")
  public void testMergeWithEmpty() throws Exception {
    IntegerHashSetFactory longHashSetFactory = new IntegerHashSetFactory(4);
    DigestFunction<Long> digestFunction = new LongMurmur3Hash();

    SampledSet<Long> set1 =
      new SampledSetImpl<Long>(4, digestFunction, longHashSetFactory);
    SampledSet<Long> set2 =
      new SampledSetImpl<Long>(4, digestFunction, longHashSetFactory);
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  }

  @Test(groups = "fast")
  public void testProposedSize() throws Exception {
    SampledSet<Long> set1 =
      new SampledSetImpl<Long>(8, new LongMurmur3Hash(), new IntegerHashSetFactory());
    SampledSet<Long> set2 =
      new SampledSetImpl<Long>(8, new LongMurmur3Hash(), new IntegerHashSetFactory());
    SampledSet<Long> set3 =
      new SampledSetImpl<Long>(8, new LongMurmur3Hash(), new IntegerHashSetFactory());

    // set 1 will have 4 elements and sample rate of 1
    set1.add(0L);
    set1.add(1L);
    set1.add(2L);
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Related Classes of com.facebook.util.digest.LongMurmur3Hash

  • com.facebook.collections.specialized.TestColtHashSet
  • com.facebook.collections.specialized.TestLongMurmur3Hash
  • com.facebook.collections.specialized.TestSampledSetImpl
  • com.facebook.util.digest.TestLongMurmur3Hash
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