//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: protected <T> org.neo4j.graphdb.Result executeWithRetries(String query, T parameters, org.neo4j.kernel.impl.query.TransactionalContext context, ParametrizedQueryExecutor<T> executor) throws org.neo4j.kernel.impl.query.QueryExecutionKernelException
protected internal virtual Result ExecuteWithRetries <T>(string query, T parameters, TransactionalContext context, ParametrizedQueryExecutor <T> executor)
{
VersionContext versionContext = GetCursorContext(context);
EagerResult eagerResult;
int attempt = 0;
bool dirtySnapshot;
do
{
if (attempt == _maxQueryExecutionAttempts)
{
return(ThrowQueryExecutionException("Unable to get clean data snapshot for query '%s' after %d attempts.", query, attempt));
}
attempt++;
versionContext.InitRead();
Result result = executor(query, parameters, context);
eagerResult = new EagerResult(result, versionContext);
eagerResult.Consume();
dirtySnapshot = versionContext.Dirty;
if (dirtySnapshot && result.QueryStatistics.containsUpdates())
{
return(ThrowQueryExecutionException("Unable to get clean data snapshot for query '%s' that perform updates.", query, attempt));
}
} while (dirtySnapshot);
return(eagerResult);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void markDirtyVersionLookupOnKeyReset() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void MarkDirtyVersionLookupOnKeyReset()
{
long updaterVersionTxId = 25;
long lastClosedTxId = 20;
when(_store.version()).thenReturn(updaterVersionTxId);
TransactionVersionContextSupplier versionContextSupplier = new TransactionVersionContextSupplier();
versionContextSupplier.Init(() => lastClosedTxId);
VersionContext versionContext = versionContextSupplier.VersionContext;
ConcurrentMapState <string> mapState = CreateMapState(versionContextSupplier);
versionContext.InitRead();
mapState.ResettingUpdater(@lock, Runnables.EMPTY_RUNNABLE).apply("a", new SimpleValueUpdate(1));
mapState.Lookup("a", new EmptyValueSink());
assertTrue(versionContext.Dirty);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void doNotMarkVersionAsDirtyOnAnotherKeyUpdate() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void DoNotMarkVersionAsDirtyOnAnotherKeyUpdate()
{
long updaterVersionTxId = 25;
long lastClosedTxId = 20;
TransactionVersionContextSupplier versionContextSupplier = new TransactionVersionContextSupplier();
versionContextSupplier.Init(() => lastClosedTxId);
ConcurrentMapState <string> mapState = CreateMapState(versionContextSupplier);
VersionContext versionContext = versionContextSupplier.VersionContext;
using (EntryUpdater <string> updater = mapState.Updater(updaterVersionTxId, @lock))
{
updater.Apply("b", new SimpleValueUpdate(2));
}
assertEquals(updaterVersionTxId, mapState.Version());
versionContext.InitRead();
mapState.Lookup("a", new EmptyValueSink());
assertFalse(versionContext.Dirty);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Before public void setUp() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void SetUp()
{
GraphDatabaseQueryService cypherService = new GraphDatabaseCypherService(this.Database.GraphDatabaseAPI);
_compilerFactory = mock(typeof(CompilerFactory));
_transactionalContext = mock(typeof(TransactionalContext));
KernelStatement kernelStatement = mock(typeof(KernelStatement));
_executor = mock(typeof(SnapshotExecutionEngine.ParametrizedQueryExecutor));
_versionContext = mock(typeof(VersionContext));
_executionEngine = CreateExecutionEngine(cypherService);
when(kernelStatement.VersionContext).thenReturn(_versionContext);
when(_transactionalContext.statement()).thenReturn(kernelStatement);
Result result = mock(typeof(Result));
QueryStatistics statistics = mock(typeof(QueryStatistics));
when(result.QueryStatistics).thenReturn(statistics);
when(_executor.execute(any(), anyMap(), any())).thenReturn(result);
}
public TransactionToApplyAnonymousInnerClass(BatchingResponseHandler outerInstance, Org.Neo4j.Kernel.impl.transaction.TransactionRepresentation getTransactionRepresentation, Org.Neo4j.Io.pagecache.tracing.cursor.context.VersionContext getVersionContext) : base(getTransactionRepresentation, transaction.CommitEntry.TxId, getVersionContext)
{
this.outerInstance = outerInstance;
}
