public void AfterAddInDifferentTxValueDoesNotExists()
{
Assert.True(Table.Put(RavenJToken.FromObject("123"), new byte[] { 1, 2, 4, 5 }));
Table.ReadResult data = null;
SupressTx(() => data = Table.Read(RavenJToken.FromObject("123")));
Assert.Null(data);
}
public void BeforeCommitRemoveIsNotVisibleOutsideTheTx()
{
Assert.True(Table.Put(RavenJToken.FromObject("123"), new byte[] { 1, 2, 4, 5 }));
Commit();
Assert.True(Table.Remove(RavenJToken.FromObject("123")));
Table.ReadResult data = null;
SupressTx(() => data = Table.Read(RavenJToken.FromObject("123")));
Assert.Equal(new byte[] { 1, 2, 4, 5 }, data.Data());
}
public IndexStats GetIndexStats(string index)
{
using (storage.ReadLock())
{
var readResult = storage.IndexingStats.Read(new RavenJObject {
{ "index", index }
});
if (readResult == null)
{
return(null);
}
Table.ReadResult lastIndexedEtagReadResult = storage.LastIndexedEtags.Read(new RavenJObject {
{ "index", index }
});
return(GetIndexStats(readResult, lastIndexedEtagReadResult));
}
}
private bool IsModifiedByTransaction(Table.ReadResult resultInTx)
{
if (resultInTx == null)
{
return(false);
}
var txId = resultInTx.Key.Value <byte[]>("txId");
var tx = storage.Transactions.Read(new RavenJObject
{
{ "txId", txId }
});
if (tx == null)
{
return(false);
}
return(SystemTime.UtcNow < tx.Key.Value <DateTime>("timeout"));
}
private static IndexStats GetIndexStats(Table.ReadResult readResult)
{
return(new IndexStats
{
TouchCount = readResult.Key.Value <int>("touches"),
IndexingAttempts = readResult.Key.Value <int>("attempts"),
IndexingErrors = readResult.Key.Value <int>("failures"),
IndexingSuccesses = readResult.Key.Value <int>("successes"),
ReduceIndexingAttempts = readResult.Key.Value <int?>("reduce_attempts"),
ReduceIndexingErrors = readResult.Key.Value <int?>("reduce_failures"),
ReduceIndexingSuccesses = readResult.Key.Value <int?>("reduce_successes"),
Name = readResult.Key.Value <string>("index"),
LastIndexedEtag = new Guid(readResult.Key.Value <byte[]>("lastEtag")),
LastIndexedTimestamp = readResult.Key.Value <DateTime>("lastTimestamp"),
LastReducedEtag =
readResult.Key.Value <byte[]>("lastReducedEtag") != null
? (Guid?)new Guid(readResult.Key.Value <byte[]>("lastReducedEtag"))
: null,
LastReducedTimestamp = readResult.Key.Value <DateTime?>("lastReducedTimestamp")
});
}
private static void AssertValidEtag(string key, Table.ReadResult doc, Table.ReadResult docInTx, Guid?etag)
{
if (doc == null)
{
return;
}
var existingEtag =
docInTx != null
? new Guid(docInTx.Key.Value <byte[]>("etag"))
: new Guid(doc.Key.Value <byte[]>("etag"));
if (etag != null && etag.Value != existingEtag)
{
throw new ConcurrencyException("PUT attempted on document '" + key +
"' using a non current etag")
{
ActualETag = existingEtag,
ExpectedETag = etag.Value
};
}
}
private static IndexStats GetIndexStats(Table.ReadResult indexingStatsResult, Table.ReadResult lastIndexedEtagsResult)
{
return(new IndexStats
{
TouchCount = indexingStatsResult.Key.Value <int>("touches"),
IndexingAttempts = indexingStatsResult.Key.Value <int>("attempts"),
IndexingErrors = indexingStatsResult.Key.Value <int>("failures"),
IndexingSuccesses = indexingStatsResult.Key.Value <int>("successes"),
ReduceIndexingAttempts = indexingStatsResult.Key.Value <int?>("reduce_attempts"),
ReduceIndexingErrors = indexingStatsResult.Key.Value <int?>("reduce_failures"),
ReduceIndexingSuccesses = indexingStatsResult.Key.Value <int?>("reduce_successes"),
Name = indexingStatsResult.Key.Value <string>("index"),
Priority = (IndexingPriority)indexingStatsResult.Key.Value <int>("priority"),
LastIndexedEtag = Etag.Parse(lastIndexedEtagsResult.Key.Value <byte[]>("lastEtag")),
LastIndexedTimestamp = lastIndexedEtagsResult.Key.Value <DateTime>("lastTimestamp"),
CreatedTimestamp = indexingStatsResult.Key.Value <DateTime>("createdTimestamp"),
LastIndexingTime = indexingStatsResult.Key.Value <DateTime>("lastIndexingTime"),
LastReducedEtag =
indexingStatsResult.Key.Value <byte[]>("lastReducedEtag") != null
? Etag.Parse(indexingStatsResult.Key.Value <byte[]>("lastReducedEtag"))
: null,
LastReducedTimestamp = indexingStatsResult.Key.Value <DateTime?>("lastReducedTimestamp")
});
}
public static void AssertNotModifiedByAnotherTransaction(TableStorage storage, ITransactionStorageActions transactionStorageActions, string key, Table.ReadResult readResult, TransactionInformation transactionInformation)
{
if (readResult == null)
{
return;
}
var txIdAsBytes = readResult.Key.Value <byte[]>("txId");
if (txIdAsBytes == null)
{
return;
}
var txId = new Guid(txIdAsBytes);
if (transactionInformation != null && transactionInformation.Id == txId)
{
return;
}
var existingTx = storage.Transactions.Read(new RavenJObject {
{ "txId", txId.ToByteArray() }
});
if (existingTx == null)//probably a bug, ignoring this as not a real tx
{
return;
}
var timeout = existingTx.Key.Value <DateTime>("timeout");
if (DateTime.UtcNow > timeout)
{
transactionStorageActions.RollbackTransaction(txId);
return;
}
throw new ConcurrencyException("Document '" + key + "' is locked by transacton: " + txId);
}
private static void UseMyData()
{
using (var d = new MyData(new MemoryPersistentSource()))
{
using (d.BeginTransaction())
{
d.Documents.Put(new RavenJObject
{
{ "key", "items/1" },
{ "id", "items/1" },
{ "etag", Guid.NewGuid().ToByteArray() },
}, new byte[0]);
d.Commit();
}
using (d.BeginTransaction())
{
d.Documents.Put(new RavenJObject
{
{ "key", "items/1" },
{ "id", "items/1" },
{ "etag", Guid.NewGuid().ToByteArray() },
{ "txId", "1234" }
}, new byte[0]);
d.Transactions.Put(new RavenJObject
{
{ "id", "1234" },
}, new byte[0]);
d.Commit();
}
ThreadPool.QueueUserWorkItem(state =>
{
d.BeginTransaction();
Table.ReadResult readResult = d.Documents.Read(new RavenJObject {
{ "key", "items/1" }
});
var txId = readResult.Key.Value <string>("txId");
Table.ReadResult txResult = d.Transactions.Read(new RavenJObject {
{ "id", txId }
});
if (txResult == null)
{
Environment.Exit(1);
return;
}
d.Transactions.Remove(txResult.Key);
var x = ((RavenJObject)readResult.Key.CloneToken());
x.Remove("txId");
d.Documents.UpdateKey(x);
d.CommitCurrentTransaction();
});
while (true)
{
using (d.BeginTransaction())
{
Table.ReadResult readResult = d.Documents.Read(new RavenJObject {
{ "key", "items/1" }
});
var txId = readResult.Key.Value <string>("txId");
if (txId == null)
{
return;
}
Table.ReadResult txResult = d.Transactions.Read(new RavenJObject {
{ "id", txId }
});
if (txResult == null)
{
Environment.Exit(1);
return;
}
d.Commit();
}
}
}
}
