public static void ChangeSkillLock(int client, Skill skill, LockStatus lockStatus)
{
byte[] packet = new byte[] { 0x3A, 0x00, 0x06, 0x00, 0x00, 0x00 };
packet[4] = (byte)skill;
packet[5] = (byte)lockStatus;
SendPacketToServer(client, packet);
}
public static void ChangeSkillLock(int client, Skill skill, LockStatus lockStatus)
{
byte[] packet = new byte[] { 0x3A, 0x00, 0x06, 0x00, 0x00, 0x00 };
packet[4] = (byte)skill;
packet[5] = (byte)lockStatus;
SendPacketToServer(client, packet);
}
private static void OnSkillLockChanged(int client, PacketReader reader)
{
int skillID3a = reader.ReadInt16();
LockStatus lockStatus3a = (LockStatus)reader.ReadByte();
OutgoingPackets.OnSkillLockChanged(client, skillID3a, lockStatus3a);
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (!(value is LockStatus))
{
return(value);
}
LockStatus lockStatus = (LockStatus)value;
switch (lockStatus)
{
case LockStatus.Up:
return(Properties.Resources.arrow_up.ToImageSource());
case LockStatus.Down:
return(Properties.Resources.arrow_down.ToImageSource());
case LockStatus.Locked:
return(Properties.Resources.padlock.ToImageSource());
default:
throw new ArgumentOutOfRangeException();
}
}
public async Task Lock()
{
++this.lockCount;
if (this.status == LockStatus.Locked)
{
return;
}
if (this.status == LockStatus.LockRequesting)
{
await WaitLock();
return;
}
this.status = LockStatus.LockRequesting;
// 真身直接本地请求锁,镜像需要调用Rpc获取锁
MasterComponent masterComponent = this.GetComponent<MasterComponent>();
if (masterComponent != null)
{
await masterComponent.Lock(this.address);
}
else
{
RequestLock();
await WaitLock();
}
}
public static void SetStatus(string stat, string lockStatus)
{
StatType st = Utility.GetEnumValueByName <StatType>(stat);
LockStatus ls = Utility.GetEnumValueByName <LockStatus>(lockStatus);
UOC.ChangeStatLock(st, ls);
}
private LockStatus CalculateLockStatus(string personID, DateTime currentTime, Lock currentLock)
{
LockStatus status = LockStatus.NotLocked;
if (currentLock != null)
{
if (string.Compare(personID, currentLock.PersonID, true) == 0)
{
if (currentLock.LockTime.Add(currentLock.EffectiveTime) < currentTime)
{
status = LockStatus.LockedByRightAndExpire;
}
else
{
status = LockStatus.LockedByRight;
}
}
else
{
if (currentLock.LockTime.Add(currentLock.EffectiveTime) < currentTime)
{
status = LockStatus.LockByAnotherAndExpire;
}
else
{
status = LockStatus.LockedByAnother;
}
}
}
return(status);
}
private static void OnSkillsList(PacketReader reader)
{
/*byte type = */
reader.ReadByte();
int id = reader.ReadInt16();
int value = reader.ReadInt16();
int baseValue = reader.ReadInt16();
LockStatus lockStatus = (LockStatus)reader.ReadByte();
int skillCap = reader.ReadInt16();
if (reader.Size <= 13)
{
SkillUpdatedEvent?.Invoke(id, (float)value / 10, (float)baseValue / 10, lockStatus,
(float)skillCap / 10);
}
else
{
SkillInfo si = new SkillInfo
{
Value = (float)value / 10,
BaseValue = (float)baseValue / 10,
LockStatus = lockStatus,
SkillCap = (float)skillCap / 10,
ID = id - 1
};
List <SkillInfo> skillInfoList = new List <SkillInfo>(128)
{
si
};
for ( ;;)
{
id = reader.ReadInt16();
if (id == 0)
{
break;
}
value = reader.ReadInt16();
baseValue = reader.ReadInt16();
lockStatus = (LockStatus)reader.ReadByte();
skillCap = reader.ReadInt16();
si = new SkillInfo
{
Value = (float)value / 10,
BaseValue = (float)baseValue / 10,
LockStatus = lockStatus,
SkillCap = (float)skillCap / 10,
ID = id - 1
};
skillInfoList.Add(si);
}
SkillsListEvent?.Invoke(skillInfoList.ToArray());
}
}
protected static string GetStatusPromptText(LockStatus status, string lockUserName)
{
string result = string.Empty;
switch (status)
{
case LockStatus.LockedByAnother:
result = string.Format("该资源已被{0}加锁", lockUserName);
break;
case LockStatus.NotLocked:
result = "原资源锁已被破坏";
break;
case LockStatus.LockByAnotherAndExpire:
result = string.Format("该资源已被{0}加锁，并已过期，验证失败", lockUserName);
break;
case LockStatus.LockedByRight:
result = "锁未过期";
break;
case LockStatus.LockedByRightAndExpire:
result = "锁已过期，请重新加锁";
break;
}
return(result);
}
public void ChangeLockButtonStatus(LockStatus lockStatus)
{
switch (lockStatus)
{
case LockStatus.Locked:
{
uxLockStateButton.Text = "Locked";
uxLockStateButton.ToolTipText = "Currently locked, click for more information and to unlock";
uxLockStateButton.Image = new Bitmap(Resources.lockedIcon);
}
break;
//case LockStatus.Unlocked:
// {
// uxLockStateButton.Text = "Unlocked";
// uxLockStateButton.ToolTipText = "";
// uxLockStateButton.Image = new Bitmap(Resources.unlockIcon);
// }
// break;
default:
{
uxLockStateButton.Text = "Unlocked";
uxLockStateButton.ToolTipText = "Currently unlocked, click for more information and to Lock";
uxLockStateButton.Image = new Bitmap(Resources.unlockIcon);
}
break;
}
}
public static ResultType GetWriteLock <ResultType>(ReaderWriterLockSlim lockObj, int timeout, DoWorkFunc <ResultType> doWork)
{
LockStatus status = (lockObj.IsWriteLockHeld
? LockStatus.WriteLock
: (lockObj.IsReadLockHeld ? LockStatus.ReadLock : LockStatus.Unlocked));
if (status == LockStatus.ReadLock)
{
lockObj.TryEnterWriteLock(timeout);
}
else if (status == LockStatus.Unlocked)
{
lockObj.TryEnterWriteLock(timeout);
}
try
{
return(doWork());
}
finally
{
if (status == LockStatus.ReadLock)
{
lockObj.ExitWriteLock();
}
else if (status == LockStatus.Unlocked)
{
lockObj.ExitWriteLock();
}
}
}
public static DiskGroupLockResult LockDiskGroup(List <DynamicDisk> diskGroup)
{
// Lock disks and volumes
LockStatus status = LockManager.LockDynamicDiskGroup(diskGroup, true);
if (status != LockStatus.Success)
{
if (status == LockStatus.CannotLockDisk)
{
return(DiskGroupLockResult.CannotLockDisk);
}
else
{
return(DiskGroupLockResult.CannotLockVolume);
}
}
if (Environment.OSVersion.Version.Major >= 6)
{
if (!DiskOfflineHelper.IsDiskGroupOnlineAndWritable(diskGroup))
{
LockManager.UnlockAllDisksAndVolumes();
return(DiskGroupLockResult.OneOrMoreDisksAreOfflineOrReadonly);
}
bool success = DiskOfflineHelper.OfflineAllOrNone(diskGroup);
if (!success)
{
LockManager.UnlockAllDisksAndVolumes();
return(DiskGroupLockResult.CannotTakeDiskOffline);
}
}
return(DiskGroupLockResult.Success);
}
/// <summary>
/// Waits for entity lock release.
/// </summary>
/// <param name="containerTitle">The container title.</param>
/// <param name="path">The path.</param>
/// <param name="entityId">The entity id.</param>
/// <param name="timeoutMs">The timeout ms.</param>
public void WaitForEntityLockRelease(string containerTitle, string path, Guid entityId, int?timeoutMs)
{
LockStatus lockStatus = GetEntityLockStatus(containerTitle, path, entityId);
if (timeoutMs != null)
{
Stopwatch sw = new Stopwatch();
sw.Start();
while (lockStatus == LockStatus.Locked && sw.ElapsedMilliseconds < timeoutMs)
{
System.Threading.Thread.Sleep(250);
lockStatus = GetEntityLockStatus(containerTitle, path, entityId);
}
if (lockStatus == LockStatus.Locked && sw.ElapsedMilliseconds > timeoutMs)
{
throw new InvalidOperationException("Timeout occurred while waiting for the lock to release. " + sw.ElapsedMilliseconds);
}
sw.Stop();
}
else
{
while (lockStatus == LockStatus.Locked)
{
System.Threading.Thread.Sleep(250);
lockStatus = GetEntityLockStatus(containerTitle, path, entityId);
}
}
}
public async Task Lock()
{
++this.lockCount;
if (this.status == LockStatus.Locked)
{
return;
}
if (this.status == LockStatus.LockRequesting)
{
await WaitLock();
return;
}
this.status = LockStatus.LockRequesting;
// 真身直接本地请求锁,镜像需要调用Rpc获取锁
MasterComponent masterComponent = this.GetComponent <MasterComponent>();
if (masterComponent != null)
{
await masterComponent.Lock(this.address);
}
else
{
RequestLock();
await WaitLock();
}
}
public DoorBusinessObject(int id, string name, LockStatus lockStatus, OpenStatus openStatus)
{
Id = id;
Name = name;
LockStatus = lockStatus;
OpenStatus = openStatus;
UpdateActionList();
}
public new object ToClient()
{
return(new {
playerName = Player.Name,
dices = Dices.Select(d => d.ToClient()),
lockStatus = LockStatus.ToString()
});
}
private void Locker_LockStatusChanged(object sender, GenericEventArgs <LockStatus> e)
{
if (_idle && storedStatus != CurrentStatus)
{
storedStatus = CurrentStatus;
LockStatusChanged?.Invoke(this, new GenericEventArgs <LockStatus>(CurrentStatus));
}
}
public ChangeStatLock(StatType stat, LockStatus lockStatus)
{
_writer = new PacketWriter(7);
_writer.Write((byte)0xBF);
_writer.Write((short)7);
_writer.Write((short)0x1A);
_writer.Write((byte)stat);
_writer.Write((byte)lockStatus);
}
private static void OutgoingPackets_SkillLockChangedEvent(int client, int skillID, LockStatus lockStatus)
{
ClientInfo ci;
if (ClientInfoCollection.GetClient(client, out ci))
{
SkillInfo si = ci.GetSkillInfo(skillID);
si.LockStatus = lockStatus;
}
}
public bool Close()
{
if (status == LockStatus.Closed)
{
throw new LockException("Already Closed");
}
status = LockStatus.Closed;
return(true);
}
public bool Open()
{
if (status == LockStatus.Opened)
{
throw new LockException("Already Opened");
}
status = LockStatus.Opened;
return(true);
}
public ChangeSkillLock(SkillEntry skill, LockStatus lockStatus)
{
_writer = new PacketWriter(6);
_writer.Write((byte)0x3A);
_writer.Write((short)6);
_writer.Write((byte)0);
_writer.Write((byte)skill.Skill.ID);
_writer.Write((byte)lockStatus);
}
public static void ChangeSkillLock(SkillEntry skill, LockStatus lockStatus, bool requery = true)
{
Engine.SendPacketToServer(new ChangeSkillLock(skill, lockStatus));
if (requery)
{
Engine.SendPacketToServer(
new MobileQuery(Engine.Player?.Serial ?? 0, MobileQueryType.SkillsRequest));
}
}
public Session(string SessionId, string LocalFilePath)
{
_FileInfo = new FileInfo(LocalFilePath);
_SessionId = SessionId;
_LastUpdated = DateTime.Now;
_LocalFilePath = LocalFilePath;
_Users = new List <User>();
_LockStatus = LockStatus.UNLOCK;
_LockString = "";
_ChangesMade = false;
}
public void SetLevelStatus(int id, LockStatus status)
{
foreach (var level in _levels)
{
if (level.Data.Id == id)
{
level.Data.CurrentStatus = status;
break;
}
}
}
public LockTransactionResult(Guid tranID, string server, LockStatus status, LockErrorCause errorCause, string failedStatement, uint runtimeSec, double trustLevel, KeyValuePair <string, object>[] data)
{
TransactionID = tranID;
ServerHost = server;
Status = status;
ErrorCause = errorCause;
FailedStatement = failedStatement;
ServerRuntimeSec = runtimeSec;
ServerTrustLevel = trustLevel;
m_Data = data;
}
private static void OnSkillsList(int client, PacketReader reader)
{
byte type = reader.ReadByte();
int id = reader.ReadInt16();
int value = reader.ReadInt16();
int baseValue = reader.ReadInt16();
LockStatus lockStatus = (LockStatus)reader.ReadByte();
int skillCap = 1000; //
if (reader.Size != 11) // UOSteam doesn't send skillcap on changing locks in their UI
{
skillCap = reader.ReadInt16(); // So we kludge it and default to 100 skillcap
}
if (reader.Size == 11 || reader.Size == 13) // 11 from UOSteam on lock change
{
IncomingPackets.OnSkillUpdate(client, id, (float)value / 10, (float)baseValue / 10, lockStatus, (float)skillCap / 10);
}
else
{
SkillInfo si = new SkillInfo();
si.Value = (float)value / 10;
si.BaseValue = (float)baseValue / 10;
si.LockStatus = lockStatus;
si.SkillCap = (float)skillCap / 10;
si.ID = id - 1;
List <SkillInfo> skillInfoList = new List <SkillInfo>(128);
skillInfoList.Add(si);
for (; ;)
{
id = reader.ReadInt16();
if (id == 0)
{
break;
}
value = reader.ReadInt16();
baseValue = reader.ReadInt16();
lockStatus = (LockStatus)reader.ReadByte();
skillCap = reader.ReadInt16();
si = new SkillInfo();
si.Value = (float)value / 10;
si.BaseValue = (float)baseValue / 10;
si.LockStatus = lockStatus;
si.SkillCap = (float)skillCap / 10;
si.ID = id - 1;
skillInfoList.Add(si);
}
IncomingPackets.OnSkillList(client, skillInfoList.ToArray());
}
}
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
IList items = (IList)((BindingProxy)values[0]).Data;
IEnumerable <SkillEntry> skills = items.Cast <SkillEntry>();
LockStatus lockStatus = (LockStatus)values[1];
return(new SetSkillLockData {
SkillEntries = skills, LockStatus = lockStatus
});
}
internal CheckLockResult(string personID, DataTable table)
: base(personID)
{
if (table.Rows.Count > 0)
{
this.currentLock = new Lock();
ORMapping.DataRowToObject(table.Rows[0], this.currentLock);
this.currentLockStatus = CalculateLockStatus(personID, (DateTime)table.Rows[0]["CURRENT_TIME"], this.currentLock);
}
}
public string Parse(byte[] packet, int length, PacketDirection direction)
{
if (direction != PacketDirection.Outgoing || packet[0] != 0xBF || packet[4] != 0x1A)
{
return(null);
}
StatType stat = (StatType)packet[5];
LockStatus lockStatus = (LockStatus)packet[6];
return($"SetStatus(\"{stat.ToString().ToLower()}\", \"{lockStatus.ToString().ToLower()}\")\r\n");
}
/**
* Before you can use this instance, you unlock the door
* @param usedCode
*/
public void unlock(String code)
{
// throws CannotUnlockDoorException {
if (code.Equals(this.code))
{
lockStatus = LockStatus.UNLOCKED;
}
else
{
throw new CannotUnlockDoorException();
}
}
public async Task Release()
{
--this.lockCount;
if (this.lockCount != 0)
{
return;
}
this.status = LockStatus.LockedNot;
Session session = Game.Scene.GetComponent <NetInnerComponent>().Get(this.address);
G2G_LockReleaseRequest request = new G2G_LockReleaseRequest();
await session.Call <G2G_LockReleaseResponse>(request);
}
public static DiskGroupLockResult ExtendPartition(Partition volume, long numberOfAdditionalExtentSectors)
{
if (volume.Disk is PhysicalDisk)
{
if (Environment.OSVersion.Version.Major >= 6)
{
bool isReadOnly;
bool isOnline = ((PhysicalDisk)volume.Disk).GetOnlineStatus(out isReadOnly);
if (!isOnline || isReadOnly)
{
return(DiskGroupLockResult.OneOrMoreDisksAreOfflineOrReadonly);
}
}
LockStatus status = LockHelper.LockBasicDiskAndVolumesOrNone(((PhysicalDisk)volume.Disk));
if (status == LockStatus.CannotLockDisk)
{
return(DiskGroupLockResult.CannotLockDisk);
}
else if (status == LockStatus.CannotLockVolume)
{
return(DiskGroupLockResult.CannotLockVolume);
}
if (Environment.OSVersion.Version.Major >= 6)
{
bool success = ((PhysicalDisk)volume.Disk).SetOnlineStatus(false);
if (!success)
{
return(DiskGroupLockResult.CannotTakeDiskOffline);
}
}
}
ExtendHelper.ExtendPartition(volume, numberOfAdditionalExtentSectors);
if (volume.Disk is PhysicalDisk)
{
if (Environment.OSVersion.Version.Major >= 6)
{
bool success = ((PhysicalDisk)volume.Disk).SetOnlineStatus(true);
}
LockHelper.UnlockBasicDiskAndVolumes((PhysicalDisk)volume.Disk);
((PhysicalDisk)volume.Disk).UpdateProperties();
}
return(DiskGroupLockResult.Success);
}
private async void RequestLock()
{
try
{
Session session = Game.Scene.GetComponent<NetInnerComponent>().Get(this.address);
string serverAddress = Game.Scene.GetComponent<StartConfigComponent>().StartConfig.ServerIP;
G2G_LockRequest request = new G2G_LockRequest { Id = this.Owner.Id, Address = serverAddress };
await session.Call<G2G_LockRequest, G2G_LockResponse>(request);
this.status = LockStatus.Locked;
foreach (TaskCompletionSource<bool> taskCompletionSource in this.queue)
{
taskCompletionSource.SetResult(true);
}
this.queue.Clear();
}
catch (Exception e)
{
Log.Error($"获取锁失败: {this.address} {this.Owner.Id} {e}");
}
}
public void SetLockStatus(string url, LockStatus status, string comment)
{
Logger.LogMethod();
try
{
using (new UserImpersonator())
{
object o = SharePointHelper.GetSharePointObjectByType(url, Workshare.Connect.SharePoint.WebService.Item.ItemKind.File);
if (o == null || !(o is SPFile))
return;
SPFile file = o as SPFile;
SPFile.SPCheckOutStatus lockStatus = file.CheckOutStatus;
if (status == LockStatus.Locked && lockStatus == SPFile.SPCheckOutStatus.None)
file.CheckOut();
else if (status == LockStatus.Unlocked && lockStatus != SPFile.SPCheckOutStatus.None && lockStatus != SPFile.SPCheckOutStatus.ShortTerm)
file.CheckIn(comment);
}
}
catch (Exception ex)
{
Logger.LogException(ex.Message, ex);
throw;
}
}
/// <remarks/>
public System.IAsyncResult BeginSetLockStatus(string url, LockStatus status, string comment, System.AsyncCallback callback, object asyncState) {
return this.BeginInvoke("SetLockStatus", new object[] {
url,
status,
comment}, callback, asyncState);
}
internal static void OnSkillLockChanged(int client, int skillID, LockStatus lockStatus)
{
dSkillLockChanged handler = InternalSkillLockChangedEvent;
if (handler != null) handler(client, skillID, lockStatus);
lock (mySkillLockChangedLock)
{
handler = mySkillLockChangedEvent;
try
{
if (handler != null) handler(client, skillID, lockStatus);
}
catch (Exception x)
{
Log.LogMessage(x);
}
}
}
protected static string GetStatusPromptText(LockStatus status, string lockUserName)
{
string result = string.Empty;
switch (status)
{
case LockStatus.LockedByAnother:
result = string.Format("该资源已被{0}加锁", lockUserName);
break;
case LockStatus.NotLocked:
result = "原资源锁已被破坏";
break;
case LockStatus.LockByAnotherAndExpire:
result = string.Format("该资源已被{0}加锁，并已过期，验证失败", lockUserName);
break;
case LockStatus.LockedByRight:
result = "锁未过期";
break;
case LockStatus.LockedByRightAndExpire:
result = "锁已过期，请重新加锁";
break;
}
return result;
}
internal CheckLockResult(string personID, DataTable table)
: base(personID)
{
if (table.Rows.Count > 0)
{
this.currentLock = new Lock();
ORMapping.DataRowToObject(table.Rows[0], this.currentLock);
this.currentLockStatus = CalculateLockStatus(personID, (DateTime)table.Rows[0]["CURRENT_TIME"], this.currentLock);
}
}
/// <remarks/>
public void SetLockStatusAsync(string url, LockStatus status, string comment) {
this.SetLockStatusAsync(url, status, comment, null);
}
/// <remarks/>
public void SetLockStatusAsync(string url, LockStatus status, string comment, object userState) {
if ((this.SetLockStatusOperationCompleted == null)) {
this.SetLockStatusOperationCompleted = new System.Threading.SendOrPostCallback(this.OnSetLockStatusOperationCompleted);
}
this.InvokeAsync("SetLockStatus", new object[] {
url,
status,
comment}, this.SetLockStatusOperationCompleted, userState);
}
public Lock(ReaderWriterSpinLock parent, LockStatus status)
{
_parent = parent;
_status = status;
}
internal static void OnSkillUpdate(int client, int skillID, float value, float baseValue, LockStatus lockStatus, float skillCap)
{
dSkillUpdate handler = InternalSkillUpdateEvent;
if (handler != null) handler(client, skillID, value, baseValue, lockStatus, skillCap);
lock (mySkillUpdateLock)
{
handler = mySkillUpdateEvent;
try { if (handler != null) handler(client, skillID, value, baseValue, lockStatus, skillCap); }
catch (Exception ex) { Log.LogMessage(ex); }
}
}
/**
*
*/
public void Locker()
{
this.lockStatus = LockStatus.LOCKED;
}
private static void IncomingPackets_SkillUpdateEvent(int client, int skillID, float value, float baseValue, LockStatus lockStatus, float skillCap)
{
ClientInfo ci;
if (ClientInfoCollection.GetClient(client, out ci))
{
SkillInfo si = ci.GetSkillInfo(skillID);
if (si != null)
{
si.BaseValue = baseValue;
si.LockStatus = lockStatus;
si.SkillCap = skillCap;
si.Value = value;
}
}
}
public void SetLockStatus(string url, LockStatus status, string comment) {
this.Invoke("SetLockStatus", new object[] {
url,
status,
comment});
}
internal SetLockResult(string personID, DataTable table)
: base(personID)
{
ExceptionHelper.FalseThrow(table.Rows.Count == 2,
"加锁后返回的结果集的行数必须为2，现在是{1}", table.Rows.Count);
if (table.Rows[0]["LOCK_ID"] != DBNull.Value)
{
this.newLock = new Lock();
ORMapping.DataRowToObject(table.Rows[0], this.newLock);
}
if (table.Rows[1]["LOCK_ID"] != DBNull.Value)
{
this.originalLock = new Lock();
ORMapping.DataRowToObject(table.Rows[1], this.originalLock);
}
this.originalLockStatus = CalculateLockStatus(this.newLock, this.originalLock);
}
public async Task Release()
{
--this.lockCount;
if (this.lockCount != 0)
{
return;
}
this.status = LockStatus.LockedNot;
Session session = Game.Scene.GetComponent<NetInnerComponent>().Get(this.address);
G2G_LockReleaseRequest request = new G2G_LockReleaseRequest();
await session.Call<G2G_LockReleaseRequest, G2G_LockReleaseResponse>(request);
}
public bool Release()
{
var ret = false;
switch (_status)
{
case LockStatus.Reader:
ret = _parent.ExitReadLock();
break;
case LockStatus.Writer:
_parent.ExitWriteLock();
ret = true;
break;
}
_status = LockStatus.None;
return ret;
}
public bool UpgradeToWriter(bool block = true)
{
if (_status != LockStatus.Reader)
throw new SynchronizationLockException("Read lock not held");
if (_parent.UpgradeReadLock(block))
{
_status = LockStatus.Writer;
return true;
}
return false;
}
/**
* Before you can use this instance, you unlock the door
* @param usedCode
*/
public void unlock(String code)
{
// throws CannotUnlockDoorException {
if (code.Equals(this.code))
{
lockStatus = LockStatus.UNLOCKED;
}
else
{
throw new CannotUnlockDoorException();
}
}
public void DowngradeToReader()
{
if (_status == LockStatus.Writer)
{
_parent.DowngradeWriteLock();
_status = LockStatus.Reader;
}
else
throw new SynchronizationLockException("Write lock not held");
}