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());
}
public override string ToString()
{
return(Instance.ToString() + ": " + CurrentStatus.name());
}