protected bool Exists(OneOptions options)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
options.Fields.Add("id");
var searchDescriptor = new SearchDescriptor <T>().Filter(options.GetElasticSearchFilter <T>()).Size(1);
var elasticSearchOptions = options as ElasticSearchOptions <T>;
if (elasticSearchOptions != null && elasticSearchOptions.SortBy.Count > 0)
{
searchDescriptor.Indices(elasticSearchOptions.Indices);
foreach (var sort in elasticSearchOptions.SortBy)
{
searchDescriptor.Sort(sort);
}
}
return(_elasticClient.Search <T>(searchDescriptor).HitsMetaData.Total > 0);
}
protected TModel FindOneAs <TModel>(OneOptions options) where TModel : class, new()
{
if (options == null)
{
throw new ArgumentNullException("options");
}
TModel result = null;
if (EnableCache)
{
if (options.UseCache)
{
result = Cache.Get <TModel>(GetScopedCacheKey(options.CacheKey));
}
if (options.UseCache && result != null)
{
Log.Trace().Message("Cache hit: type={0}", _entityType).Write();
}
else if (options.UseCache)
{
Log.Trace().Message("Cache miss: type={0}", _entityType).Write();
}
if (result != null)
{
return(result);
}
}
var searchDescriptor = new SearchDescriptor <T>().Filter(options.GetElasticSearchFilter <T>()).Size(1);
if (options.Fields.Count > 0)
{
searchDescriptor.Source(s => s.Include(options.Fields.ToArray()));
}
else
{
searchDescriptor.Source(s => s.Exclude("idx"));
}
var elasticSearchOptions = options as ElasticSearchOptions <T>;
if (elasticSearchOptions != null && elasticSearchOptions.SortBy.Count > 0)
{
searchDescriptor.Indices(elasticSearchOptions.Indices);
foreach (var sort in elasticSearchOptions.SortBy)
{
searchDescriptor.Sort(sort);
}
}
_elasticClient.EnableTrace();
var item = _elasticClient.Search <T>(searchDescriptor).Documents.FirstOrDefault();
_elasticClient.DisableTrace();
if (typeof(T) != typeof(TModel))
{
if (Mapper.FindTypeMapFor <T, TModel>() == null)
{
Mapper.CreateMap <T, TModel>();
}
result = Mapper.Map <T, TModel>(item);
}
else
{
result = item as TModel;
}
if (EnableCache && result != null && options.UseCache)
{
Cache.Set(GetScopedCacheKey(options.CacheKey), result, options.GetCacheExpirationDate());
}
return(result);
}
