//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(timeout = 60_000) public void possibleToShutdownDbWhenItIsNotHealthyAndNotAllTransactionsAreApplied() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void PossibleToShutdownDbWhenItIsNotHealthyAndNotAllTransactionsAreApplied()
{
// adversary that makes page cache throw exception when node store is used
ClassGuardedAdversary adversary = new ClassGuardedAdversary(new CountingAdversary(1, true), typeof(NodeStore));
adversary.Disable();
GraphDatabaseService db = AdversarialPageCacheGraphDatabaseFactory.create(_fs, adversary).newEmbeddedDatabaseBuilder(_testDir.databaseDir()).newGraphDatabase();
System.Threading.CountdownEvent txStartLatch = new System.Threading.CountdownEvent(1);
System.Threading.CountdownEvent txCommitLatch = new System.Threading.CountdownEvent(1);
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: java.util.concurrent.Future<?> result = java.util.concurrent.ForkJoinPool.commonPool().submit(() ->
Future <object> result = ForkJoinPool.commonPool().submit(() =>
{
using (Transaction tx = Db.beginTx())
{
txStartLatch.Signal();
Db.createNode();
Await(txCommitLatch);
tx.success();
}
});
Await(txStartLatch);
adversary.Enable();
txCommitLatch.Signal();
try
{
result.get();
fail("Exception expected");
}
catch (ExecutionException ee)
{
// transaction is expected to fail because write through the page cache fails
assertThat(ee.InnerException, instanceOf(typeof(TransactionFailureException)));
}
adversary.Disable();
// shutdown should complete without any problems
Db.shutdown();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void concurrentlyCommittingTransactionsMustNotRotateOutLoggedCommandsOfFailingTransaction() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ConcurrentlyCommittingTransactionsMustNotRotateOutLoggedCommandsOfFailingTransaction()
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.adversaries.ClassGuardedAdversary adversary = new org.neo4j.adversaries.ClassGuardedAdversary(new org.neo4j.adversaries.CountingAdversary(1, false), org.neo4j.kernel.impl.transaction.command.Command.RelationshipCommand.class);
ClassGuardedAdversary adversary = new ClassGuardedAdversary(new CountingAdversary(1, false), typeof(Command.RelationshipCommand));
adversary.Disable();
File storeDir = Dir.storeDir();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.Map<String,String> params = stringMap(org.neo4j.graphdb.factory.GraphDatabaseSettings.pagecache_memory.name(), "8m");
IDictionary <string, string> @params = stringMap(GraphDatabaseSettings.pagecache_memory.name(), "8m");
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.graphdb.facade.embedded.EmbeddedGraphDatabase db = new TestEmbeddedGraphDatabase(storeDir, params)
EmbeddedGraphDatabase db = new TestEmbeddedGraphDatabaseAnonymousInnerClass(this, storeDir, @params, adversary);
Node a;
Node b;
Node c;
Node d;
using (Transaction tx = Db.beginTx())
{
a = Db.createNode();
b = Db.createNode();
c = Db.createNode();
d = Db.createNode();
tx.Success();
}
adversary.Enable();
System.Threading.CountdownEvent latch = new System.Threading.CountdownEvent(1);
Thread t1 = new Thread(CreateRelationship(db, a, b, latch), "T1");
Thread t2 = new Thread(CreateRelationship(db, c, d, latch), "T2");
t1.Start();
t2.Start();
// Wait for both threads to get going
t1.Join(10);
t2.Join(10);
latch.Signal();
// Wait for the transactions to finish
t1.Join(25000);
t2.Join(25000);
Db.shutdown();
// We should observe the store in a consistent state
EmbeddedGraphDatabase db2 = new TestEmbeddedGraphDatabase(storeDir, @params);
try
{
using (Transaction tx = db2.BeginTx())
{
Node x = db2.GetNodeById(a.Id);
Node y = db2.GetNodeById(b.Id);
Node z = db2.GetNodeById(c.Id);
Node w = db2.GetNodeById(d.Id);
IEnumerator <Relationship> itrRelX = x.Relationships.GetEnumerator();
IEnumerator <Relationship> itrRelY = y.Relationships.GetEnumerator();
IEnumerator <Relationship> itrRelZ = z.Relationships.GetEnumerator();
IEnumerator <Relationship> itrRelW = w.Relationships.GetEnumerator();
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
if (itrRelX.hasNext() != itrRelY.hasNext())
{
fail("Node x and y have inconsistent relationship counts");
}
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
else if (itrRelX.hasNext())
{
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
Relationship rel = itrRelX.next();
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertEquals(rel, itrRelY.next());
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertFalse(itrRelX.hasNext());
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertFalse(itrRelY.hasNext());
}
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
if (itrRelZ.hasNext() != itrRelW.hasNext())
{
fail("Node z and w have inconsistent relationship counts");
}
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
else if (itrRelZ.hasNext())
{
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
Relationship rel = itrRelZ.next();
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertEquals(rel, itrRelW.next());
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertFalse(itrRelZ.hasNext());
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertFalse(itrRelW.hasNext());
}
}
}
finally
{
db2.Shutdown();
}
}