public DataSourceLoaderImpl(IQueryable <S> source, DataSourceLoadOptionsBase options, CancellationToken cancellationToken, bool sync)
{
var providerInfo = new QueryProviderInfo(source.Provider);
var guardNulls = providerInfo.IsLinqToObjects;
if (!sync)
{
AsyncHelper = new AsyncHelper(source.Provider, providerInfo, cancellationToken);
}
#if DEBUG
ExpressionWatcher = options.ExpressionWatcher;
UseEnumerableOnce = options.UseEnumerableOnce;
guardNulls = guardNulls && !options.SuppressGuardNulls;
#endif
Source = source;
Context = new DataSourceLoadContext(options, providerInfo, typeof(S));
Builder = new DataSourceExpressionBuilder <S>(
Context,
guardNulls,
new AnonTypeNewTweaks {
AllowEmpty = !providerInfo.IsL2S,
AllowUnusedMembers = !providerInfo.IsL2S
}
);
}
public DataSourceLoaderImpl(IQueryable source, DataSourceLoadOptionsBase options, CancellationToken cancellationToken, bool sync)
{
var providerInfo = new QueryProviderInfo(source.Provider);
Source = source;
Context = new DataSourceLoadContext(options, providerInfo, Source.ElementType);
CreateExecutor = expr => new ExpressionExecutor(Source.Provider, expr, providerInfo, cancellationToken, sync, options.AllowAsyncOverSync);
#if DEBUG
ExpressionWatcher = options.ExpressionWatcher;
UseEnumerableOnce = options.UseEnumerableOnce;
#endif
}
public DataSourceLoaderImpl(IQueryable <S> source, DataSourceLoadOptionsBase options)
{
#if DEBUG
ExpressionWatcher = options.ExpressionWatcher;
UseEnumerableOnce = options.UseEnumerableOnce;
#endif
var providerInfo = new QueryProviderInfo(source.Provider);
Source = source;
Context = new DataSourceLoadContext(options, providerInfo, typeof(S));
Builder = new DataSourceExpressionBuilder <S>(
Context,
providerInfo.IsLinqToObjects,
new AnonTypeNewTweaks {
AllowEmpty = !providerInfo.IsL2S,
AllowUnusedMembers = !providerInfo.IsL2S
}
);
}
public DataSourceExpressionBuilder(DataSourceLoadContext context, bool guardNulls = false, AnonTypeNewTweaks anonTypeNewTweaks = null)
{
_context = context;
_guardNulls = guardNulls;
_anonTypeNewTweaks = anonTypeNewTweaks;
}
public DataSourceExpressionBuilder(Expression expr, DataSourceLoadContext context)
{
Expr = expr;
Context = context;
}