/// <inheritdoc/>
public virtual Task <GetApiVersionApiCall> PrepareGetApiVersionAsync(ApiVersionId apiVersionId, CancellationToken cancellationToken)
{
UriTemplate template = new UriTemplate("{version_id}");
Dictionary <string, string> parameters = new Dictionary <string, string> {
{ "version_id", apiVersionId.Value }
};
return(GetBaseUriAsync(cancellationToken)
.Then(PrepareRequestAsyncFunc(HttpMethod.Get, template, parameters, cancellationToken))
.Select(task => new GetApiVersionApiCall(CreateJsonApiCall <ApiVersionResponse>(task.Result))));
}
/// <summary>
/// Prepare and send an HTTP API call to obtain information about a particular version of the API available at
/// the current endpoint for the service.
/// </summary>
/// <param name="service">The <see cref="IBaseIdentityService"/> instance.</param>
/// <param name="apiVersionId">The unique ID of the API version.</param>
/// <param name="cancellationToken">The <see cref="CancellationToken"/> that the task will observe.</param>
/// <returns>
/// A <seealso cref="Task"/> representing the asynchronous operation. When the task completes successfully, the
/// <see cref="Task{TResult}.Result"/> property will contain an <see cref="ApiVersion"/> instance describing the
/// specified version of the API.
/// </returns>
/// <exception cref="ArgumentNullException">
/// <para>If <paramref name="service"/> is <see langword="null"/>.</para>
/// <para>-or-</para>
/// <para>If <paramref name="apiVersionId"/> is <see langword="null"/>.</para>
/// </exception>
/// <exception cref="HttpWebException">
/// If an error occurred during an HTTP request while preparing or sending the HTTP API call.
/// </exception>
/// <seealso cref="BaseIdentityServiceExtensions.GetApiVersionAsync"/>
/// <seealso href="http://developer.openstack.org/api-ref-identity-v2.html#identity-v2-versions">API versions (Identity API v2.0 - OpenStack Complete API Reference)</seealso>
/// <seealso href="http://developer.openstack.org/api-ref-identity-v3.html#versions-identity-v3">API versions (Identity API v3 - OpenStack Complete API Reference)</seealso>
public static Task <ApiVersion> GetApiVersionAsync(this IBaseIdentityService service, ApiVersionId apiVersionId, CancellationToken cancellationToken)
{
if (service == null)
{
throw new ArgumentNullException("service");
}
if (apiVersionId == null)
{
throw new ArgumentNullException("apiVersionId");
}
return(TaskBlocks.Using(
() => service.PrepareGetApiVersionAsync(apiVersionId, cancellationToken),
task => task.Result.SendAsync(cancellationToken).Select(innerTask => innerTask.Result.Item2.Version)));
}