//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void setUpgradeTransactionMustBeAtomic() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void SetUpgradeTransactionMustBeAtomic()
{
using (MetaDataStore store = NewMetaDataStore())
{
PagedFile pf = store.PagedFile;
store.SetUpgradeTransaction(0, 0, 0);
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);
// writers
race.AddContestants(3, () =>
{
long count = writeCount.incrementAndGet();
store.SetUpgradeTransaction(count, count, count);
});
// file readers
race.AddContestants(3, throwing(() =>
{
using (PageCursor cursor = pf.Io(0, PagedFile.PF_SHARED_READ_LOCK))
{
assertTrue(cursor.next());
long id;
long checksum;
do
{
id = store.GetRecordValue(cursor, MetaDataStore.Position.UpgradeTransactionId);
checksum = store.GetRecordValue(cursor, MetaDataStore.Position.UpgradeTransactionChecksum);
} while (cursor.shouldRetry());
AssertIdEqualsChecksum(id, checksum, "file");
fileReadCount.incrementAndGet();
}
}));
race.AddContestants(3, () =>
{
TransactionId transaction = store.UpgradeTransaction;
AssertIdEqualsChecksum(transaction.TransactionIdConflict(), transaction.Checksum(), "API");
apiReadCount.incrementAndGet();
});
race.Go();
}
}
public override bool Equals(object o)
{
if (this == o)
{
return(true);
}
if (o == null || this.GetType() != o.GetType())
{
return(false);
}
TransactionId that = ( TransactionId )o;
return(_transactionId == that._transactionId && _checksum == that._checksum && _commitTimestamp == that._commitTimestamp);
}
