/// <summary>
/// Creates a singleton instance or throws if instance is already created
/// </summary>
public ZoneGovernorService() : base(null)
{
if (!AgniSystem.IsMetabase)
{
throw new AZGOVException(StringConsts.METABASE_NOT_AVAILABLE_ERROR.Args(GetType().FullName + ".ctor()"));
}
lock (s_InstanceLock)
{
if (s_Instance != null)
{
throw new AZGOVException(StringConsts.AZGOV_INSTANCE_ALREADY_ALLOCATED_ERROR);
}
m_SubInstr = new InstrumentationService(this);
m_SubInstrReductionLevels = new Dictionary <string, int>();
m_SubInstrCallers = new ConcurrentDictionary <string, DateTime>();
m_SubLog = new LogService(this);
m_SubHosts = new Registry <Contracts.HostInfo>();
m_DynamicHostSlots = new Registry <Contracts.DynamicHostInfo>();
m_Locker = new Locking.Server.LockServerService(this);
s_Instance = this;
}
}
protected override void Destructor()
{
lock (s_InstanceLock)
{
base.Destructor();
s_Instance = null;
m_Locker.Dispose();
var sis = m_SubInstr;
if (sis != null)
{
m_SubInstr = null;
sis.Dispose();
}
var slg = m_SubLog;
if (slg != null)
{
m_SubLog = null;
slg.Dispose();
}
}
}