/// <summary>
/// Supply conversion from <see cref="string"/> to <seealso cref="Base64Id"/> otherwise use default implementation.
/// </summary>
/// <param name="context"></param>
/// <param name="culture"></param>
/// <param name="value"></param>
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (value is string)
{
return(Base64Id.Parse((string)value));
}
return(base.ConvertFrom(context, culture, value));
}
/// <inheritdoc/>
public async Task <ILockLease> Renew(string name, string leaseId, CancellationToken cancellationToken = default)
{
var base64Id = Base64Id.Parse(leaseId);
bool success;
try {
var affecterRows = await _dbContext.Database.ExecuteSqlRawAsync(_queryDescriptor.RenewLease, new List <object> {
base64Id.Id
}, cancellationToken);
success = affecterRows > 0;
} catch (SqlException) {
await Cleanup();
success = false;
}
if (!success)
{
throw new LockManagerException($"Unable to renew lease {name} for leaseid {leaseId}.");
}
return(new LockLease(base64Id, name, this));
}
/// <inheritdoc/>
public async Task ReleaseLock(ILockLease @lock)
{
var query = @"DELETE FROM [work].[Lock] WHERE ([Name] = {0} AND [Id] < {1}) OR [ExpirationDate] < GetDate();";
await _dbContext.Database.ExecuteSqlRawAsync(query, @lock.Name, Base64Id.Parse(@lock.LeaseId).Id);
}
/// <inheritdoc/> public async Task ReleaseLock(ILockLease @lock) => await _dbContext.Database.ExecuteSqlRawAsync(_queryDescriptor.ReleaseLock, @lock.Name, Base64Id.Parse(@lock.LeaseId).Id);
