private object ExecuteWithClientSelectPart <TServer, TClient>(string uri,
RestQueryableTreeParser.QueryProjection
queryProjection,
Expression <Func <TServer, TClient> >
clientSideExpression,
RequestOptions requestOptions,
bool executeAsync)
{
return(Execute(uri, queryProjection, clientSideExpression.Compile(), requestOptions, executeAsync));
}
private object Execute <T, TConverted>(string uri,
RestQueryableTreeParser.QueryProjection queryProjection,
Func <T, TConverted> clientSideSelectPart,
RequestOptions requestOptions,
bool executeAsync)
{
if (executeAsync)
{
return(ExecuteAsync(uri, queryProjection, clientSideSelectPart, requestOptions));
}
;
return(ExecuteSync(uri, queryProjection, clientSideSelectPart, requestOptions));
}
private object ExecuteAsync <T, TConverted>(string uri,
RestQueryableTreeParser.QueryProjection queryProjection,
Func <T, TConverted> clientSideSelectPart,
RequestOptions requestOptions)
{
if (queryProjection == RestQueryableTreeParser.QueryProjection.FirstLazy)
{
throw new InvalidOperationException("Don't use FirstLazy when executing async as this is redundant.");
}
switch (queryProjection)
{
case RestQueryableTreeParser.QueryProjection.ToQueryResult:
return(ExecuteToQueryResultAsync(uri, clientSideSelectPart, requestOptions));
case RestQueryableTreeParser.QueryProjection.Enumerable:
return(ExecuteToEnumerableAsync(uri, clientSideSelectPart, requestOptions));
case RestQueryableTreeParser.QueryProjection.SingleOrDefault:
case RestQueryableTreeParser.QueryProjection.First:
case RestQueryableTreeParser.QueryProjection.FirstOrDefault:
case RestQueryableTreeParser.QueryProjection.Single:
case RestQueryableTreeParser.QueryProjection.Last:
case RestQueryableTreeParser.QueryProjection.LastOrDefault:
return(GetOneAsync(uri, requestOptions, clientSideSelectPart));
case RestQueryableTreeParser.QueryProjection.Any:
case RestQueryableTreeParser.QueryProjection.Max:
case RestQueryableTreeParser.QueryProjection.Min:
case RestQueryableTreeParser.QueryProjection.Sum:
case RestQueryableTreeParser.QueryProjection.Count:
return(Client.GetAsync <TConverted>(uri, requestOptions));
default:
throw new NotImplementedException("Don't recognize projection type " + queryProjection);
}
}
private object ExecuteSync <T, TConverted>(string uri,
RestQueryableTreeParser.QueryProjection queryProjection,
Func <T, TConverted> clientSideSelectPart,
RequestOptions requestOptions)
{
if (queryProjection == RestQueryableTreeParser.QueryProjection.FirstLazy)
{
var resourceLoader = requestOptions == null || requestOptions.ResourceLoader == null
? new DefaultResourceLoader(Client)
: requestOptions.ResourceLoader;
var resourceInfo = Client.GetResourceInfoForType(typeof(T));
var proxy = (LazyProxyBase)Activator.CreateInstance(resourceInfo.LazyProxyType);
proxy.Initialize(uri, resourceLoader, resourceInfo.PocoType);
return(proxy);
}
switch (queryProjection)
{
case RestQueryableTreeParser.QueryProjection.ToQueryResult:
{
var result = Client.Get <QueryResult <T> >(uri, requestOptions);
if (clientSideSelectPart != null)
{
return(new QueryResult <TConverted>(result.Select(clientSideSelectPart), result.Skip, result.TotalCount,
result.Previous,
result.Next));
}
return(result);
}
case RestQueryableTreeParser.QueryProjection.Enumerable:
{
var result = Client.Get <IList <T> >(uri, requestOptions);
if (clientSideSelectPart != null)
{
return(result.Select(clientSideSelectPart).ToList());
}
return(result);
}
case RestQueryableTreeParser.QueryProjection.SingleOrDefault:
case RestQueryableTreeParser.QueryProjection.First:
case RestQueryableTreeParser.QueryProjection.FirstOrDefault:
case RestQueryableTreeParser.QueryProjection.Single:
case RestQueryableTreeParser.QueryProjection.Last:
case RestQueryableTreeParser.QueryProjection.LastOrDefault:
return(GetOne(uri, requestOptions, clientSideSelectPart));
case RestQueryableTreeParser.QueryProjection.Any:
// TODO: Remove backwards compatibility at some point in the future.
// HACK for backwards compatibility. Any is not supported by old versions of pomona server
return(Client.Get <int>(uri, requestOptions) > 0);
case RestQueryableTreeParser.QueryProjection.Max:
case RestQueryableTreeParser.QueryProjection.Min:
case RestQueryableTreeParser.QueryProjection.Sum:
case RestQueryableTreeParser.QueryProjection.Count:
return(Client.Get <T>(uri, requestOptions));
default:
throw new NotImplementedException("Don't recognize projection type " + queryProjection);
}
}
