//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void mustCombineSamples()
public virtual void MustCombineSamples()
{
// given
int sumIndexSize = 0;
int sumUniqueValues = 0;
int sumSampleSize = 0;
IndexSample[] samples = new IndexSample[_providers.Count];
for (int i = 0; i < samples.Length; i++)
{
int indexSize = Random.Next(0, 1_000_000);
int uniqueValues = Random.Next(0, 1_000_000);
int sampleSize = Random.Next(0, 1_000_000);
samples[i] = new IndexSample(indexSize, uniqueValues, sampleSize);
sumIndexSize += indexSize;
sumUniqueValues += uniqueValues;
sumSampleSize += sampleSize;
}
// when
IndexSample fusionSample = FusionIndexSampler.CombineSamples(Arrays.asList(samples));
// then
assertEquals(sumIndexSize, fusionSample.IndexSize());
assertEquals(sumUniqueValues, fusionSample.UniqueValues());
assertEquals(sumSampleSize, fusionSample.SampleSize());
}
private static void VerifySamplingResult(UniqueIndexSampler sampler, long expectedValue)
{
IndexSample sample = sampler.Result();
assertEquals(expectedValue, sample.IndexSize());
assertEquals(expectedValue, sample.UniqueValues());
assertEquals(expectedValue, sample.SampleSize());
}
public virtual IndexSample Combine(IndexSample sample1, IndexSample sample2)
{
long indexSize = Math.addExact(sample1.IndexSize(), sample2.IndexSize());
long uniqueValues = Math.addExact(sample1.UniqueValues(), sample2.UniqueValues());
long sampleSize = Math.addExact(sample1.SampleSize(), sample2.SampleSize());
return(new IndexSample(indexSize, uniqueValues, sampleSize));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldSampleUpdatesIfConfiguredForOnlineSampling() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldSampleUpdatesIfConfiguredForOnlineSampling()
{
// GIVEN
try
{
outerInstance.populator.create();
IndexEntryUpdate <IndexDescriptor>[] scanUpdates = valueCreatorUtil.someUpdates(random);
outerInstance.populator.add(Arrays.asList(scanUpdates));
IEnumerator <IndexEntryUpdate <IndexDescriptor> > generator = valueCreatorUtil.randomUpdateGenerator(random);
Value[] updates = new Value[5];
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
updates[0] = generator.next().values()[0];
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
updates[1] = generator.next().values()[0];
updates[2] = updates[1];
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
updates[3] = generator.next().values()[0];
updates[4] = updates[3];
using (IndexUpdater updater = outerInstance.populator.newPopulatingUpdater(NullPropertyAccessor))
{
long nodeId = 1000;
foreach (Value value in updates)
{
IndexEntryUpdate <IndexDescriptor> update = valueCreatorUtil.add(nodeId++, value);
updater.Process(update);
}
}
// WHEN
outerInstance.populator.scanCompleted(nullInstance);
IndexSample sample = outerInstance.populator.sampleResult();
// THEN
Value[] allValues = Arrays.copyOf(updates, updates.Length + scanUpdates.Length);
Array.Copy(AsValues(scanUpdates), 0, allValues, updates.Length, scanUpdates.Length);
assertEquals(updates.Length + scanUpdates.Length, sample.SampleSize());
assertEquals(countUniqueValues(allValues), sample.UniqueValues());
assertEquals(updates.Length + scanUpdates.Length, sample.IndexSize());
}
finally
{
outerInstance.populator.close(true);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldSampleUpdates() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldSampleUpdates()
{
// GIVEN
outerInstance.populator.create();
IndexEntryUpdate <IndexDescriptor>[] updates = valueCreatorUtil.someUpdates(random);
// WHEN
outerInstance.populator.add(asList(updates));
foreach (IndexEntryUpdate <IndexDescriptor> update in updates)
{
outerInstance.populator.includeSample(update);
}
outerInstance.populator.scanCompleted(nullInstance);
IndexSample sample = outerInstance.populator.sampleResult();
// THEN
assertEquals(updates.Length, sample.SampleSize());
assertEquals(updates.Length, sample.UniqueValues());
assertEquals(updates.Length, sample.IndexSize());
outerInstance.populator.close(true);
}
