/// <summary>
/// Creates an <see cref="AzureLease"/> from a lease token.
/// </summary>
/// <param name="leaseProvider">The lease provider.</param>
/// <param name="token">The lease token from which to construct the lease.</param>
/// <returns>An instance of an in-memory lease configured from the lease token.</returns>
internal static AzureLease FromToken(AzureLeaseProvider leaseProvider, string token)
{
if (leaseProvider is null)
{
throw new ArgumentNullException(nameof(leaseProvider));
}
if (token is null)
{
throw new ArgumentNullException(nameof(token));
}
string tokenizedLease = token.Base64UrlDecode();
string[] lines = tokenizedLease.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);
if (lines[0] != LeaseTokenContentType)
{
throw new TokenizationException();
}
string id = lines[1];
DateTimeOffset?lastAcquired = lines[2] != NullString ? (DateTimeOffset?)DateTimeOffset.FromUnixTimeMilliseconds(long.Parse(lines[2])) : null;
var leasePolicy = new LeasePolicy
{
Name = lines[5],
ActorName = lines[3],
Duration = lines[4] != NullString ? (TimeSpan?)TimeSpan.FromMilliseconds(long.Parse(lines[4])) : null,
};
return(new AzureLease(leaseProvider, leasePolicy, id, lastAcquired));
}
/// <summary>
/// Initializes a new instance of the <see cref="AzureLease"/> class.
/// </summary>
/// <param name="leaseProvider">The lease provider.</param>
/// <param name="leasePolicy">The lease policy.</param>
/// <param name="id">The id for the lease.</param>
/// <param name="lastAcquired">The time at which the lease was last acquired.</param>
internal AzureLease(AzureLeaseProvider leaseProvider, LeasePolicy leasePolicy, string id, DateTimeOffset?lastAcquired)
: base(leaseProvider, leasePolicy, id)
{
this.lastAcquired = lastAcquired;
}
/// <summary>
/// Initializes a new instance of the <see cref="AzureLease"/> class.
/// </summary>
/// <param name="leaseProvider">The lease provider.</param>
/// <param name="leasePolicy">The lease policy.</param>
/// <param name="id">The id for the lease.</param>
internal AzureLease(AzureLeaseProvider leaseProvider, LeasePolicy leasePolicy, string id)
: base(leaseProvider, leasePolicy, id)
{
}