internal QueryCollector(JobScheduler jobScheduler, int maxRecentQueryCount, int maxQueryTextSize) : base(true)
{
this._jobScheduler = jobScheduler;
this._maxQueryTextSize = maxQueryTextSize;
_isCollecting = false;
// Round down to the nearest power of 2
int queryBufferSize = Integer.highestOneBit(maxRecentQueryCount);
_queries = new RingRecentBuffer <TruncatedQuerySnapshot>(queryBufferSize);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void shouldHandleSize0()
internal virtual void ShouldHandleSize0()
{
RingRecentBuffer <long> buffer = new RingRecentBuffer <long>(0);
buffer.Foreach(l => fail("boom"));
buffer.Clear();
buffer.Produce(0L);
buffer.Foreach(l => fail("boom"));
buffer.Clear();
assertEquals(0, buffer.NumSilentQueryDrops());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void shouldWorkWithManyConcurrentProducers() throws java.util.concurrent.ExecutionException, InterruptedException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
internal virtual void ShouldWorkWithManyConcurrentProducers()
{
// given
int n = 1000000;
int bufferSize = 16;
RingRecentBuffer <long> buffer = new RingRecentBuffer <long>(bufferSize);
ExecutorService executor = Executors.newFixedThreadPool(4);
try
{
// when
// producer threads
System.Threading.CountdownEvent latch = new System.Threading.CountdownEvent(1);
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: java.util.concurrent.Future<?> produce1 = executor.submit(stressUntil(latch, buffer::produce));
Future <object> produce1 = executor.submit(StressUntil(latch, buffer.produce));
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: java.util.concurrent.Future<?> produce2 = executor.submit(stressUntil(latch, buffer::produce));
Future <object> produce2 = executor.submit(StressUntil(latch, buffer.produce));
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: java.util.concurrent.Future<?> produce3 = executor.submit(stressUntil(latch, buffer::produce));
Future <object> produce3 = executor.submit(StressUntil(latch, buffer.produce));
// consumer thread
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: java.util.concurrent.Future<?> consume = executor.submit(stress(n, i ->
Future <object> consume = executor.submit(Stress(n, i =>
{
buffer.Clear();
buffer.Foreach(Assertions.assertNotNull);
}));
// then without illegal transitions or exceptions
consume.get();
latch.Signal();
produce1.get();
produce2.get();
produce3.get();
}
finally
{
executor.shutdown();
}
// on some systems thread scheduling variance actually causes ~100 silent drops in this test
assertTrue(buffer.NumSilentQueryDrops() < 1000, "only a few silent drops expected");
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void shouldNotReadSameElementTwice() throws java.util.concurrent.ExecutionException, InterruptedException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
internal virtual void ShouldNotReadSameElementTwice()
{
// given
int n = 1000;
int bufferSize = 16;
RingRecentBuffer <long> buffer = new RingRecentBuffer <long>(bufferSize);
ExecutorService executor = Executors.newFixedThreadPool(2);
try
{
UniqueElementsConsumer consumer = new UniqueElementsConsumer();
// when
// producer thread
System.Threading.CountdownEvent latch = new System.Threading.CountdownEvent(1);
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: java.util.concurrent.Future<?> produce = executor.submit(stressUntil(latch, buffer::produce));
Future <object> produce = executor.submit(StressUntil(latch, buffer.produce));
// consumer thread
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: java.util.concurrent.Future<?> consume = executor.submit(stress(n, i ->
Future <object> consume = executor.submit(Stress(n, i =>
{
consumer.Reset();
buffer.Foreach(consumer);
assertTrue(consumer.Values.size() <= bufferSize, format("Should see at most %d elements", bufferSize));
}));
// then without illegal transitions or exceptions
consume.get();
latch.Signal();
produce.get();
}
finally
{
executor.shutdown();
}
assertEquals(0, buffer.NumSilentQueryDrops());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void shouldJustWork()
internal virtual void ShouldJustWork()
{
int bufferSize = 4;
RingRecentBuffer <long> buffer = new RingRecentBuffer <long>(bufferSize);
buffer.Foreach(l => fail("boom"));
for (long i = 0; i < 10; i++)
{
buffer.Produce(i);
buffer.Foreach(Assertions.assertNotNull);
}
buffer.Clear();
buffer.Foreach(l => fail("boom"));
for (long i = 0; i < 10; i++)
{
buffer.Produce(i);
}
buffer.Foreach(Assertions.assertNotNull);
assertEquals(0, buffer.NumSilentQueryDrops());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void shouldNeverReadUnwrittenElements() throws java.util.concurrent.ExecutionException, InterruptedException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
internal virtual void ShouldNeverReadUnwrittenElements()
{
// given
int n = 1000000;
int bufferSize = 16;
RingRecentBuffer <long> buffer = new RingRecentBuffer <long>(bufferSize);
ExecutorService executor = Executors.newFixedThreadPool(2);
try
{
// when
// producer thread
System.Threading.CountdownEvent latch = new System.Threading.CountdownEvent(1);
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: java.util.concurrent.Future<?> produce = executor.submit(stressUntil(latch, buffer::produce));
Future <object> produce = executor.submit(StressUntil(latch, buffer.produce));
// consumer thread
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: java.util.concurrent.Future<?> consume = executor.submit(stress(n, i ->
Future <object> consume = executor.submit(Stress(n, i =>
{
buffer.Clear();
buffer.Foreach(Assertions.assertNotNull);
}));
// then without illegal transitions or exceptions
consume.get();
latch.Signal();
produce.get();
}
finally
{
executor.shutdown();
}
assertEquals(0, buffer.NumSilentQueryDrops());
}