/// <summary>
/// The problem would manifest even if the transaction was performed on the Master, it would then occur when the
/// Slave pulls updates and tries to apply the transaction. The reason for the test to run transactions against the
/// Slave is because it makes guarantees for when the master has to apply the transaction.
/// </summary>
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldDeleteRecords()
public virtual void ShouldDeleteRecords()
{
// given
ManagedCluster cluster = ClusterRule.startCluster();
HighlyAvailableGraphDatabase master = cluster.Master;
HighlyAvailableGraphDatabase slave = cluster.AnySlave;
Relationship rel;
using (Transaction tx = slave.BeginTx())
{
rel = slave.CreateNode().createRelationshipTo(slave.CreateNode(), withName("FOO"));
tx.Success();
}
using (Transaction transaction = master.BeginTx())
{
assertNotNull(master.GetRelationshipById(rel.Id));
}
// when
using (Transaction tx = slave.BeginTx())
{
rel.Delete();
tx.Success();
}
// then - there should have been no exceptions
slave.Shutdown();
master.Shutdown();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testConflictingIdDoesNotSilentlyFail()
public virtual void TestConflictingIdDoesNotSilentlyFail()
{
HighlyAvailableGraphDatabase master = null;
HighlyAvailableGraphDatabase dbWithId21 = null;
HighlyAvailableGraphDatabase dbWithId22 = null;
try
{
int masterClusterPort = PortAuthority.allocatePort();
GraphDatabaseBuilder masterBuilder = (new TestHighlyAvailableGraphDatabaseFactory()).newEmbeddedDatabaseBuilder(Path(1)).setConfig(ClusterSettings.initial_hosts, "127.0.0.1:" + masterClusterPort).setConfig(ClusterSettings.cluster_server, "127.0.0.1:" + masterClusterPort).setConfig(ClusterSettings.server_id, "" + 1).setConfig(HaSettings.HaServer, ":" + PortAuthority.allocatePort()).setConfig(HaSettings.TxPushFactor, "0").setConfig(OnlineBackupSettings.online_backup_enabled, false.ToString());
master = ( HighlyAvailableGraphDatabase )masterBuilder.NewGraphDatabase();
GraphDatabaseBuilder db21Builder = (new TestHighlyAvailableGraphDatabaseFactory()).newEmbeddedDatabaseBuilder(Path(2)).setConfig(ClusterSettings.initial_hosts, "127.0.0.1:" + masterClusterPort).setConfig(ClusterSettings.cluster_server, "127.0.0.1:" + PortAuthority.allocatePort()).setConfig(ClusterSettings.server_id, "" + 2).setConfig(HaSettings.HaServer, ":" + PortAuthority.allocatePort()).setConfig(HaSettings.TxPushFactor, "0").setConfig(OnlineBackupSettings.online_backup_enabled, false.ToString());
dbWithId21 = ( HighlyAvailableGraphDatabase )db21Builder.NewGraphDatabase();
GraphDatabaseBuilder db22Builder = (new TestHighlyAvailableGraphDatabaseFactory()).newEmbeddedDatabaseBuilder(Path(3)).setConfig(ClusterSettings.initial_hosts, "127.0.0.1:" + masterClusterPort).setConfig(ClusterSettings.cluster_server, "127.0.0.1:" + PortAuthority.allocatePort()).setConfig(ClusterSettings.server_id, "" + 2).setConfig(HaSettings.HaServer, ":" + PortAuthority.allocatePort()).setConfig(HaSettings.TxPushFactor, "0").setConfig(OnlineBackupSettings.online_backup_enabled, false.ToString());
try
{
dbWithId22 = ( HighlyAvailableGraphDatabase )db22Builder.NewGraphDatabase();
fail("Should not be able to startup when a cluster already has my id");
}
catch (Exception)
{
// awesome
}
assertTrue(master.Master);
assertTrue(!dbWithId21.Master);
using (Transaction transaction = dbWithId21.BeginTx())
{
transaction.Success();
}
}
finally
{
if (dbWithId21 != null)
{
dbWithId21.Shutdown();
}
if (dbWithId22 != null)
{
dbWithId22.Shutdown();
}
if (master != null)
{
master.Shutdown();
}
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testMasterSwitchHappensOnKillMinus9() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void TestMasterSwitchHappensOnKillMinus9()
{
Process proc = null;
HighlyAvailableGraphDatabase dbWithId2 = null;
HighlyAvailableGraphDatabase dbWithId3 = null;
HighlyAvailableGraphDatabase oldMaster = null;
int clusterPort1 = PortAuthority.allocatePort();
int clusterPort2 = PortAuthority.allocatePort();
int clusterPort3 = PortAuthority.allocatePort();
int haPort1 = PortAuthority.allocatePort();
int haPort2 = PortAuthority.allocatePort();
int haPort3 = PortAuthority.allocatePort();
try
{
proc = Run(1, clusterPort1, haPort1, clusterPort1, clusterPort2);
dbWithId2 = StartDb(2, Path(2), clusterPort2, haPort2, clusterPort1, clusterPort2);
dbWithId3 = StartDb(3, Path(3), clusterPort3, haPort3, clusterPort1, clusterPort2);
WaitUntilAllProperlyAvailable(dbWithId2, 1, MASTER, 2, SLAVE, 3, SLAVE);
WaitUntilAllProperlyAvailable(dbWithId3, 1, MASTER, 2, SLAVE, 3, SLAVE);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.CountDownLatch newMasterAvailableLatch = new java.util.concurrent.CountDownLatch(1);
System.Threading.CountdownEvent newMasterAvailableLatch = new System.Threading.CountdownEvent(1);
dbWithId2.DependencyResolver.resolveDependency(typeof(ClusterClient)).addAtomicBroadcastListener(value =>
{
try
{
object @event = (new AtomicBroadcastSerializer(new ObjectStreamFactory(), new ObjectStreamFactory())).receive(value);
if (@event is MemberIsAvailable)
{
if (HighAvailabilityModeSwitcher.MASTER.Equals((( MemberIsAvailable )@event).Role))
{
newMasterAvailableLatch.Signal();
}
}
}
catch (Exception e)
{
fail(e.ToString());
}
});
proc.destroy();
proc = null;
assertTrue(newMasterAvailableLatch.await(60, SECONDS));
assertTrue(dbWithId2.Master);
assertTrue(!dbWithId3.Master);
// Ensure that everyone has marked the killed instance as failed, otherwise it cannot rejoin
WaitUntilAllProperlyAvailable(dbWithId2, 1, UNKNOWN, 2, MASTER, 3, SLAVE);
WaitUntilAllProperlyAvailable(dbWithId3, 1, UNKNOWN, 2, MASTER, 3, SLAVE);
oldMaster = StartDb(1, Path(1), clusterPort1, haPort1, clusterPort1, clusterPort2);
long oldMasterNode = CreateNamedNode(oldMaster, "Old master");
assertEquals(oldMasterNode, GetNamedNode(dbWithId2, "Old master"));
}
finally
{
if (proc != null)
{
proc.destroy();
}
if (oldMaster != null)
{
oldMaster.Shutdown();
}
if (dbWithId2 != null)
{
dbWithId2.Shutdown();
}
if (dbWithId3 != null)
{
dbWithId3.Shutdown();
}
}
}