public void TestAmbientOptimisticTransactionThrowsOptimisticExceptionOnConflict()
{
var cache = GetCache();
var transactions = Ignite.GetTransactions();
var scope = new TransactionScope();
var old = cache[1];
Assert.IsNotNull(transactions.Tx);
Assert.AreEqual(TransactionConcurrency.Optimistic, transactions.Tx.Concurrency);
Assert.AreEqual(TransactionIsolation.Serializable, transactions.Tx.Isolation);
Task.Factory.StartNew(() =>
{
Assert.IsNull(transactions.Tx);
cache[1] = -1;
}, TaskCreationOptions.LongRunning)
.Wait();
Assert.AreEqual(old, cache[1]);
cache[1] = old + 1;
// Complete() just sets a flag, actual Commit is called from Dispose().
scope.Complete();
var ex = Assert.Throws <TransactionOptimisticException>(() => scope.Dispose());
StringAssert.StartsWith(
"Failed to prepare transaction, read/write conflict [key=1, keyCls=java.lang.Integer, val=-1",
ex.Message);
Assert.AreEqual(-1, cache[1]);
Assert.IsNull(transactions.Tx);
}
public void TestExplicitOptimisticTransactionThrowsOptimisticExceptionOnConflict()
{
var cache = GetCache();
var transactions = Ignite.GetTransactions();
using (var tx = transactions.TxStart())
{
Assert.IsNotNull(transactions.Tx);
Assert.AreEqual(TransactionConcurrency.Optimistic, tx.Concurrency);
Assert.AreEqual(TransactionIsolation.Serializable, tx.Isolation);
var old = cache[1];
Task.Factory.StartNew(() =>
{
Assert.IsNull(transactions.Tx);
cache[1] = -1;
}).Wait();
Assert.AreEqual(old, cache[1]);
cache[1] = old + 1;
var ex = Assert.Throws <TransactionOptimisticException>(() => tx.Commit());
StringAssert.StartsWith(
"Failed to prepare transaction, read/write conflict [key=1, keyCls=java.lang.Integer, val=-1",
ex.Message);
}
Assert.AreEqual(-1, cache[1]);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="grid">Grid.</param>
/// <param name="target">Target.</param>
/// <param name="marsh">Marshaller.</param>
/// <param name="flagSkipStore">Skip store flag.</param>
/// <param name="flagKeepBinary">Keep binary flag.</param>
/// <param name="flagNoRetries">No-retries mode flag.</param>
public CacheImpl(Ignite grid, IUnmanagedTarget target, Marshaller marsh,
bool flagSkipStore, bool flagKeepBinary, bool flagNoRetries) : base(target, marsh)
{
Debug.Assert(grid != null);
_ignite = grid;
_flagSkipStore = flagSkipStore;
_flagKeepBinary = flagKeepBinary;
_flagNoRetries = flagNoRetries;
_txManager = GetConfiguration().AtomicityMode == CacheAtomicityMode.Transactional
? new CacheTransactionManager(grid.GetTransactions())
: null;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="target">Target.</param>
/// <param name="flagSkipStore">Skip store flag.</param>
/// <param name="flagKeepBinary">Keep binary flag.</param>
/// <param name="flagNoRetries">No-retries mode flag.</param>
/// <param name="flagPartitionRecover">Partition recover mode flag.</param>
public CacheImpl(IPlatformTargetInternal target,
bool flagSkipStore, bool flagKeepBinary, bool flagNoRetries, bool flagPartitionRecover)
: base(target)
{
_ignite = target.Marshaller.Ignite;
_flagSkipStore = flagSkipStore;
_flagKeepBinary = flagKeepBinary;
_flagNoRetries = flagNoRetries;
_flagPartitionRecover = flagPartitionRecover;
_txManager = GetConfiguration().AtomicityMode == CacheAtomicityMode.Transactional
? new CacheTransactionManager(_ignite.GetTransactions())
: null;
_readException = stream => ReadException(Marshaller.StartUnmarshal(stream));
}