//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testRecordTransactionClosed()
public virtual void TestRecordTransactionClosed()
{
// GIVEN
MetaDataStore metaDataStore = NewMetaDataStore();
long[] originalClosedTransaction = metaDataStore.LastClosedTransaction;
long transactionId = originalClosedTransaction[0] + 1;
long version = 1L;
long byteOffset = 777L;
// WHEN
metaDataStore.TransactionClosed(transactionId, version, byteOffset);
// long[] with the highest offered gap-free number and its meta data.
long[] closedTransactionFlags = metaDataStore.LastClosedTransaction;
//EXPECT
assertEquals(version, closedTransactionFlags[1]);
assertEquals(byteOffset, closedTransactionFlags[2]);
// WHEN
metaDataStore.Close();
metaDataStore = NewMetaDataStore();
// EXPECT
long[] lastClosedTransactionFlags = metaDataStore.LastClosedTransaction;
assertEquals(version, lastClosedTransactionFlags[1]);
assertEquals(byteOffset, lastClosedTransactionFlags[2]);
metaDataStore.Close();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void transactionClosedMustBeAtomic() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void TransactionClosedMustBeAtomic()
{
using (MetaDataStore store = NewMetaDataStore())
{
PagedFile pf = store.PagedFile;
int initialValue = 2;
store.TransactionClosed(initialValue, initialValue, initialValue);
AtomicLong writeCount = new AtomicLong();
AtomicLong fileReadCount = new AtomicLong();
AtomicLong apiReadCount = new AtomicLong();
int upperLimit = 10_000;
int lowerLimit = 100;
long endTime = currentTimeMillis() + SECONDS.toMillis(10);
Race race = new Race();
race.WithEndCondition(() => writeCount.get() >= upperLimit && fileReadCount.get() >= upperLimit && apiReadCount.get() >= upperLimit);
race.WithEndCondition(() => writeCount.get() >= lowerLimit && fileReadCount.get() >= lowerLimit && apiReadCount.get() >= lowerLimit && currentTimeMillis() >= endTime);
race.AddContestants(3, () =>
{
long count = writeCount.incrementAndGet();
store.TransactionCommitted(count, count, count);
});
race.AddContestants(3, throwing(() =>
{
using (PageCursor cursor = pf.Io(0, PagedFile.PF_SHARED_READ_LOCK))
{
assertTrue(cursor.next());
long logVersion;
long byteOffset;
do
{
logVersion = store.GetRecordValue(cursor, MetaDataStore.Position.LastClosedTransactionLogVersion);
byteOffset = store.GetRecordValue(cursor, MetaDataStore.Position.LastClosedTransactionLogByteOffset);
} while (cursor.shouldRetry());
AssertLogVersionEqualsByteOffset(logVersion, byteOffset, "file");
fileReadCount.incrementAndGet();
}
}));
race.AddContestants(3, () =>
{
long[] transaction = store.LastClosedTransaction;
AssertLogVersionEqualsByteOffset(transaction[0], transaction[1], "API");
apiReadCount.incrementAndGet();
});
race.Go();
}
}
