//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public void start() throws LifecycleException
public override void Start()
{
if (CurrentStatus == LifecycleStatus.None)
{
Init();
}
if (CurrentStatus == LifecycleStatus.Stopped)
{
CurrentStatus = outerInstance.changedStatus(Instance, CurrentStatus, LifecycleStatus.Starting);
try
{
Instance.start();
CurrentStatus = outerInstance.changedStatus(Instance, CurrentStatus, LifecycleStatus.Started);
}
catch (Exception e)
{
CurrentStatus = outerInstance.changedStatus(Instance, CurrentStatus, LifecycleStatus.Stopped);
try
{
Instance.stop();
}
catch (Exception se)
{
LifecycleException lifecycleException = new LifecycleException("Exception during graceful " + "attempt to stop partially started component. Please use non suppressed" + " exception to see original component failure.", se);
e.addSuppressed(lifecycleException);
}
if (e is LifecycleException)
{
throw ( LifecycleException )e;
}
throw new LifecycleException(Instance, LifecycleStatus.Stopped, LifecycleStatus.Started, e);
}
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public void shutdown() throws LifecycleException
public override void Shutdown()
{
if (CurrentStatus == LifecycleStatus.Started)
{
Stop();
}
if (CurrentStatus == LifecycleStatus.Stopped)
{
CurrentStatus = outerInstance.changedStatus(Instance, CurrentStatus, LifecycleStatus.ShuttingDown);
try
{
Instance.shutdown();
}
catch (LifecycleException e)
{
throw e;
}
catch (Exception e)
{
throw new LifecycleException(Instance, LifecycleStatus.Stopped, LifecycleStatus.ShuttingDown, e);
}
finally
{
CurrentStatus = outerInstance.changedStatus(Instance, CurrentStatus, LifecycleStatus.Shutdown);
}
}
}
/// <summary>
/// Initialize all registered instances, transitioning from status NONE to STOPPED.
/// <para>
/// If transition fails, then it goes to STOPPED and then SHUTDOWN, so it cannot be restarted again.
/// </para>
/// </summary>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public synchronized void init() throws LifecycleException
public override void Init()
{
lock (this)
{
if (_status == LifecycleStatus.None)
{
_status = ChangedStatus(this, _status, LifecycleStatus.Initializing);
foreach (LifecycleInstance instance in _instances)
{
try
{
instance.Init();
}
catch (LifecycleException e)
{
_status = ChangedStatus(this, _status, LifecycleStatus.Stopped);
try
{
Shutdown();
}
catch (LifecycleException shutdownErr)
{
e.addSuppressed(shutdownErr);
}
throw e;
}
}
_status = ChangedStatus(this, _status, LifecycleStatus.Stopped);
}
}
}
/// <summary>
/// Start all registered instances, transitioning from STOPPED to STARTED.
/// <para>
/// If it was previously not initialized, it will be initialized first.
/// </para>
/// <para>
/// If any instance fails to start, the already started instances will be stopped, so
/// that the overall status is STOPPED.
///
/// </para>
/// </summary>
/// <exception cref="LifecycleException"> </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public synchronized void start() throws LifecycleException
public override void Start()
{
lock (this)
{
Init();
if (_status == LifecycleStatus.Stopped)
{
_status = ChangedStatus(this, _status, LifecycleStatus.Starting);
foreach (LifecycleInstance instance in _instances)
{
try
{
instance.Start();
}
catch (LifecycleException e)
{
// TODO perhaps reconsider chaining of exceptions coming from LifeSupports?
_status = ChangedStatus(this, _status, LifecycleStatus.Started);
try
{
Stop();
}
catch (LifecycleException stopErr)
{
e.addSuppressed(stopErr);
}
throw e;
}
}
_status = ChangedStatus(this, _status, LifecycleStatus.Started);
}
}
}
private LifecycleStatus ChangedStatus(Lifecycle instance, LifecycleStatus oldStatus, LifecycleStatus newStatus)
{
foreach (LifecycleListener listener in _listeners)
{
listener.NotifyStatusChanged(instance, oldStatus, newStatus);
}
return(newStatus);
}
private static string HumanReadableMessage(object instance, LifecycleStatus from, LifecycleStatus to, Exception cause)
{
string instanceStr = instance.ToString();
StringBuilder message = new StringBuilder();
switch (to)
{
case Org.Neo4j.Kernel.Lifecycle.LifecycleStatus.Stopped:
if (from == LifecycleStatus.None)
{
message.Append("Component '").Append(instanceStr).Append("' failed to initialize");
}
else if (from == LifecycleStatus.Started)
{
message.Append("Component '").Append(instanceStr).Append("' failed to stop");
}
break;
case Org.Neo4j.Kernel.Lifecycle.LifecycleStatus.Started:
if (from == LifecycleStatus.Stopped)
{
message.Append("Component '").Append(instanceStr).Append("' was successfully initialized, but failed to start");
}
break;
case Org.Neo4j.Kernel.Lifecycle.LifecycleStatus.Shutdown:
message.Append("Component '").Append(instanceStr).Append("' failed to shut down");
break;
default:
break;
}
if (message.Length == 0)
{
message.Append("Component '").Append(instanceStr).Append("' failed to transition from ").Append(from.name().ToLower()).Append(" to ").Append(to.name().ToLower());
}
message.Append('.');
if (cause != null)
{
Exception root = RootCause(cause);
message.Append(" Please see the attached cause exception \"").Append(root.Message).Append('"');
if (root.InnerException != null)
{
message.Append(" (root cause cycle detected)");
}
message.Append('.');
}
return(message.ToString());
}
private Resource CreateResourceWithEndpointLifecycleStatus(LifecycleStatus endpointStatus)
{
var firstEndpoint = new DistributionEndpointBuilder()
.GenerateSampleData()
.WithDistributionEndpointLifecycleStatus(endpointStatus)
.Build();
var resource = new ResourceBuilder()
.GenerateSampleData()
.WithMainDistributionEndpoint(firstEndpoint)
.Build();
return(resource);
}
/// <summary>
/// Stop all registered instances, transitioning from STARTED to STOPPED.
/// <para>
/// If any instance fails to stop, the rest of the instances will still be stopped,
/// so that the overall status is STOPPED.
/// </para>
/// </summary>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public synchronized void stop() throws LifecycleException
public override void Stop()
{
lock (this)
{
if (_status == LifecycleStatus.Started)
{
_status = ChangedStatus(this, _status, LifecycleStatus.Stopping);
LifecycleException ex = StopInstances(_instances);
_status = ChangedStatus(this, _status, LifecycleStatus.Stopped);
if (ex != null)
{
throw ex;
}
}
}
}
/// <summary>
/// Shutdown all registered instances, transitioning from either STARTED or STOPPED to SHUTDOWN.
/// <para>
/// If any instance fails to shutdown, the rest of the instances will still be shut down,
/// so that the overall status is SHUTDOWN.
/// </para>
/// </summary>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public synchronized void shutdown() throws LifecycleException
public override void Shutdown()
{
lock (this)
{
LifecycleException ex = null;
try
{
Stop();
}
catch (LifecycleException e)
{
ex = e;
}
if (_status == LifecycleStatus.Stopped)
{
_status = ChangedStatus(this, _status, LifecycleStatus.ShuttingDown);
for (int i = _instances.Count - 1; i >= 0; i--)
{
LifecycleInstance lifecycleInstance = _instances[i];
try
{
lifecycleInstance.Shutdown();
}
catch (LifecycleException e)
{
ex = Exceptions.chain(ex, e);
}
}
_status = ChangedStatus(this, _status, LifecycleStatus.Shutdown);
if (ex != null)
{
throw ex;
}
}
}
}
public static bool ContainsLifecycleStatus(this IDictionary <string, List <dynamic> > property, LifecycleStatus status)
{
return(ContainsSingleValue(property, Graph.Metadata.Constants.Resource.LifecycleStatus, status.GetDescription()));
}
private LifecycleException ExceptionFor(LifecycleStatus from, LifecycleStatus to, Exception cause)
{
return(new LifecycleException(new ObjectAnonymousInnerClass(this)
, from, to, cause));
}
private LifecycleException ExceptionFor(LifecycleStatus from, LifecycleStatus to)
{
return(ExceptionFor(from, to, null));
}
public PidUriTemplateBuilder WithPidUriTemplateLifecycleStatus(LifecycleStatus status)
{
CreateOrOverwriteProperty(COLID.Graph.Metadata.Constants.PidUriTemplate.HasLifecycleStatus, status.GetDescription());
return(this);
}
public LifecycleState()
{
status = LifecycleStatus.Offscreen;
}
public DistributionEndpointBuilder WithDistributionEndpointLifecycleStatus(LifecycleStatus status)
{
CreateOrOverwriteProperty(Resource.DistributionEndpoints.DistributionEndpointLifecycleStatus, EnumExtension.GetDescription(status));
return(this);
}
public ResourceBuilder WithLifecycleStatus(LifecycleStatus status)
{
CreateOrOverwriteProperty(hasLifecycleStatus, status.GetDescription());
return(this);
}
public LifecycleException(object instance, LifecycleStatus from, LifecycleStatus to, Exception cause) : base(HumanReadableMessage(instance, from, to, cause), cause)
{
}
public PidUriTemplateBuilder WithPidUriTemplateLifecycleStatus(LifecycleStatus status)
{
CreateOrOverwriteProperty(RegistrationService.Common.Constants.PidUriTemplate.HasLifecycleStatus, status.GetDescription());
return(this);
}