public virtual async Task <GetResponse <T> > GetAsync(GetRequest request, CancellationToken cancellationToken)
{
// Validate parameters.
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
// Get the Ids.
IReadOnlyCollection <string> ids = request.Ids
.Select(id => id.ToString())
.Distinct()
.ToReadOnlyCollection();
// Get the response.
IMultiGetResponse response = await ElasticClient.MultiGetAsync(
d => d
.Index(Index.Name)
.Type <T>()
.GetMany <T>(ids),
cancellationToken).ConfigureAwait(false);
// Get the hits.
IReadOnlyCollection <Hit <T> > hits = response
.Hits
.Select(d => d.ToHit <object, T>())
.ToReadOnlyCollection();
// Create the response and return.
return(new GetResponse <T> {
Request = request,
TotalHits = hits.Count,
Hits = hits
});
}
public override async Task <MultiIndexGetResponse> MultiIndexGetAsync(MultiIndexGetRequest request, CancellationToken cancellationToken)
{
// Validate parameters.
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
// Get all of the index types.
IReadOnlyDictionary <string, Type> indexes =
await MapIndexNamesToTypesAsync(request.Ids.Select(g => g.Key), cancellationToken)
.ConfigureAwait(false);
// Create the request.
IMultiGetResponse response = await _elasticClient
.MultiGetAsync(descriptor => request.Ids.Aggregate(descriptor, (d, g) => {
// The type.
Type type = OpenMultiIndexGetDescriptorReducer.MakeGenericType(indexes[g.Key]);
// Create the type.
var reducer = (IMultiIndexGetDescriptorReducer)Activator.CreateInstance(type);
// Reduce.
return(reducer.Reduce(d, g));
}), cancellationToken)
.ConfigureAwait(false);
// Map the results and return.
return(new MultiIndexGetResponse {
Request = request,
TotalHits = response.Hits.Count,
Hits = response
.Hits
.Select(h => h.ToHit <object, object>())
.ToReadOnlyCollection()
});
}
public static MultiGetHit <T> Get <T>(this IMultiGetResponse response, Guid?id) where T : class
{
return(response.Get <T>(id.ToString()));
}
public static ElasticMultiGetResponse SuccessResponse(IMultiGetResponse response)
{
return(new ElasticMultiGetResponse {
Success = true, Response = response
});
}
