public override int GetHashCode()
{
unchecked
{
return((Name.GetHashCode() * 397) ^ LockId.GetHashCode());
}
}
public async Task<string> Confirm(LockId lockId)
{
if (!IsConnected(_client))
await TryConnect();
return await ExecCommand(
lockId.GetConfirmCommand,
res => res != null && res.Equals("1"));
}
public async Task<string> Confirm(LockId lockId)
{
if (!IsConnected(_stackExchangeClient))
await TryConnect();
return ExecResultedConfirmOrReleaseScript(
lockId.GetConfirmScript,
lockId.GetConfirmScriptParameters
);
}
public bool Equals(DbDistributedMutexLock other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return(string.Equals(Name, other.Name) && LockId.Equals(other.LockId));
}
public async Task<string> Release(LockId lockId)
{
if (!IsConnected(_client))
await TryConnect();
_logger.ToDebugLog(
string.Format(
"Trying to release the lock on {0}:{1} set to {2}...",
_node.Host,
_node.Port,
lockId.SessionId));
return await ExecCommand(
lockId.GetReleaseCommand,
res => res != null && res.Equals("1"));
}
public async Task<string> Set(LockId lockId)
{
if (!IsConnected(_client))
await TryConnect();
_logger.ToDebugLog(
string.Format(
"Trying to set the lock on {0}:{1} to {2}...",
_node.Host,
_node.Port,
lockId.SessionId));
return await ExecCommand(
lockId.GetSetCommand,
res => res != null && res.Equals("OK", StringComparison.InvariantCultureIgnoreCase));
}
public async Task<string> Release(LockId lockId)
{
if (!IsConnected(_stackExchangeClient))
await TryConnect();
_logger.ToDebugLog(
string.Format(
"Trying to release the lock on {0}:{1} set to {2}...",
_node.Host,
_node.Port,
lockId.SessionId));
return ExecResultedConfirmOrReleaseScript(
lockId.GetReleaseScript,
lockId.GetReleaseScriptParameters
);
}
public async Task<bool> ReleaseLock(LockType lockType, string instanceId)
{
var lockId = new LockId(lockType, InstanceName);
Log.Trace($"Releasing lock {lockId} on {instanceId}");
var result =
await Collection.DeleteOneAsync(
FilterBuilder.Where(@lock => @lock.Id == lockId && @lock.InstanceId == instanceId)).ConfigureAwait(false);
if (result.DeletedCount > 0)
{
Log.Trace($"Released lock {lockId} on {instanceId}");
return true;
}
else
{
Log.Warn($"Failed to release lock {lockId} on {instanceId}. You do not own the lock.");
return false;
}
}
public bool ReleaseLock(LockType lockType, string instanceId)
{
var lockId = new LockId(lockType, InstanceName);
Log.Trace($"Releasing lock {lockId} on {instanceId}");
var result =
Collection.DeleteOne(
FilterBuilder.Where(@lock => @lock.Id == lockId && @lock.InstanceId == instanceId));
if (result.DeletedCount > 0)
{
Log.Trace($"Released lock {lockId} on {instanceId}");
return(true);
}
else
{
Log.Warn($"Failed to release lock {lockId} on {instanceId}. You do not own the lock.");
return(false);
}
}
public async Task<bool> TryAcquireLock(LockType lockType, string instanceId)
{
var lockId = new LockId(lockType, InstanceName);
Log.Trace($"Trying to acquire lock {lockId} on {instanceId}");
try
{
await Collection.InsertOneAsync(new Lock
{
Id = lockId,
InstanceId = instanceId,
AquiredAt = DateTime.Now
}).ConfigureAwait(false);
Log.Trace($"Acquired lock {lockId} on {instanceId}");
return true;
}
catch (MongoWriteException)
{
Log.Trace($"Failed to acquire lock {lockId} on {instanceId}");
return false;
}
}
public bool TryAcquireLock(LockType lockType, string instanceId)
{
var lockId = new LockId(lockType, InstanceName);
Log.Trace($"Trying to acquire lock {lockId} on {instanceId}");
try
{
Collection.InsertOne(new Lock
{
Id = lockId,
InstanceId = instanceId,
AquiredAt = DateTime.Now
});
Log.Trace($"Acquired lock {lockId} on {instanceId}");
return(true);
}
catch (MongoWriteException)
{
Log.Trace($"Failed to acquire lock {lockId} on {instanceId}");
return(false);
}
}
/// <inheritdoc />
public override int GetHashCode()
{
// ReSharper disable once NonReadonlyMemberInGetHashCode
return(LockId.GetHashCode());
}