public override IAggregateFluent <TNewResult> GraphLookup <TFrom, TConnectFrom, TConnectTo, TStartWith, TAsElement, TAs, TNewResult>(
IMongoCollection <TFrom> from,
FieldDefinition <TFrom, TConnectFrom> connectFromField,
FieldDefinition <TFrom, TConnectTo> connectToField,
AggregateExpressionDefinition <TResult, TStartWith> startWith,
FieldDefinition <TNewResult, TAs> @as,
FieldDefinition <TAsElement, int> depthField,
AggregateGraphLookupOptions <TFrom, TAsElement, TNewResult> options = null)
{
return(WithPipeline(_pipeline.GraphLookup(from, connectFromField, connectToField, startWith, @as, depthField, options)));
}
/// <inheritdoc />
public virtual IAggregateFluent <TNewResult> GraphLookup <TFrom, TConnectFrom, TConnectTo, TStartWith, TAsElement, TAs, TNewResult>(
IMongoCollection <TFrom> from,
FieldDefinition <TFrom, TConnectFrom> connectFromField,
FieldDefinition <TFrom, TConnectTo> connectToField,
AggregateExpressionDefinition <TResult, TStartWith> startWith,
FieldDefinition <TNewResult, TAs> @as,
FieldDefinition <TAsElement, int> depthField,
AggregateGraphLookupOptions <TFrom, TAsElement, TNewResult> options = null)
where TAs : IEnumerable <TAsElement>
{
throw new NotImplementedException();
}
public override IAggregateFluent <TNewResult> GraphLookup <TNewResult, TFrom, TConnect, TConnectFrom, TStartWith, TAs, TAsEnumerable>(
IMongoCollection <TFrom> from,
FieldDefinition <TFrom, TConnectFrom> connectFromField,
FieldDefinition <TFrom, TConnect> connectToField,
AggregateExpressionDefinition <TResult, TStartWith> startWith,
FieldDefinition <TNewResult, TAsEnumerable> @as,
FieldDefinition <TAs, int> depthField,
AggregateGraphLookupOptions <TNewResult, TFrom, TConnect, TConnectFrom, TStartWith, TAs, TAsEnumerable> options = null)
{
Ensure.IsNotNull(from, nameof(from));
Ensure.IsNotNull(connectFromField, nameof(connectFromField));
Ensure.IsNotNull(connectToField, nameof(connectToField));
Ensure.IsNotNull(startWith, nameof(startWith));
Ensure.IsNotNull(@as, nameof(@as));
Ensure.That(from.Database.DatabaseNamespace.Equals(_collection.Database.DatabaseNamespace), "From collection must be from the same database.", nameof(from));
Ensure.That(IsTConnectOrEnumerableTConnect <TConnectFrom, TConnect>(), "TConnectFrom must be either TConnect or a type that implements IEnumerable<TConnect>.", nameof(TConnectFrom));
Ensure.That(IsTConnectOrEnumerableTConnect <TStartWith, TConnect>(), "TStartWith must be either TConnect or a type that implements IEnumerable<TConnect>.", nameof(TStartWith));
const string operatorName = "$graphLookup";
var stage = new DelegatedPipelineStageDefinition <TResult, TNewResult>(
operatorName,
(s, sr) =>
{
var resultSerializer = s;
var newResultSerializer = options?.NewResultSerializer ?? sr.GetSerializer <TNewResult>();
var fromSerializer = options?.FromSerializer ?? sr.GetSerializer <TFrom>();
var asSerializer = options?.AsSerializer ?? sr.GetSerializer <TAs>();
var renderedConnectToField = connectToField.Render(fromSerializer, sr);
var renderedStartWith = startWith.Render(resultSerializer, sr);
var renderedConnectFromField = connectFromField.Render(fromSerializer, sr);
var renderedAs = @as.Render(newResultSerializer, sr);
var renderedDepthField = depthField?.Render(asSerializer, sr);
var renderedRestrictSearchWithMatch = options?.RestrictSearchWithMatch?.Render(fromSerializer, sr);
var document = new BsonDocument
{
{ operatorName, new BsonDocument
{
{ "from", from.CollectionNamespace.CollectionName },
{ "connectFromField", renderedConnectFromField.FieldName },
{ "connectToField", renderedConnectToField.FieldName },
{ "startWith", renderedStartWith },
{ "as", renderedAs.FieldName },
{ "depthField", () => renderedDepthField.FieldName, renderedDepthField != null },
{ "maxDepth", () => options.MaxDepth.Value, options != null && options.MaxDepth.HasValue },
{ "restrictSearchWithMatch", renderedRestrictSearchWithMatch, renderedRestrictSearchWithMatch != null }
} }
};
return(new RenderedPipelineStageDefinition <TNewResult>(operatorName, document, newResultSerializer));
});
return(AppendStage <TNewResult>(stage));
}
/// <summary>
/// Appends a $graphLookup stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <typeparam name="TNewResult">The type of the new result (must be same as TResult with an additional as field).</typeparam>
/// <typeparam name="TFrom">The type of the from documents.</typeparam>
/// <typeparam name="TConnectFrom">The type of the connect from field (must be either TConnectTo or a type that implements IEnumerable{TConnectTo}).</typeparam>
/// <typeparam name="TConnectTo">The type of the connect to field.</typeparam>
/// <typeparam name="TStartWith">The type of the start with expression (must be either TConnectTo or a type that implements IEnumerable{TConnectTo}).</typeparam>
/// <typeparam name="TAs">The type of the as field.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="from">The from collection.</param>
/// <param name="connectFromField">The connect from field.</param>
/// <param name="connectToField">The connect to field.</param>
/// <param name="startWith">The start with value.</param>
/// <param name="as">The as field.</param>
/// <param name="options">The options.</param>
/// <returns>The fluent aggregate interface.</returns>
public static IAggregateFluent <TNewResult> GraphLookup <TResult, TFrom, TConnectFrom, TConnectTo, TStartWith, TAs, TNewResult>(
this IAggregateFluent <TResult> aggregate,
IMongoCollection <TFrom> from,
Expression <Func <TFrom, TConnectFrom> > connectFromField,
Expression <Func <TFrom, TConnectTo> > connectToField,
Expression <Func <TResult, TStartWith> > startWith,
Expression <Func <TNewResult, TAs> > @as,
AggregateGraphLookupOptions <TFrom, TFrom, TNewResult> options = null)
where TAs : IEnumerable <TFrom>
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
return(aggregate.AppendStage(PipelineStageDefinitionBuilder.GraphLookup(from, connectFromField, connectToField, startWith, @as, options, aggregate.Options?.TranslationOptions)));
}
/// <summary>
/// Appends a $graphLookup stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <typeparam name="TNewResult">The type of the new result (must be same as TResult with an additional as field).</typeparam>
/// <typeparam name="TFrom">The type of the from documents.</typeparam>
/// <typeparam name="TConnect">The type of the connect field.</typeparam>
/// <typeparam name="TConnectFrom">The type of the connect from field (must be either TConnect or a type that implements IEnumerable{TConnect}).</typeparam>
/// <typeparam name="TStartWith">The type of the start with expression (must be either TConnect or a type that implements IEnumerable{TConnect}).</typeparam>
/// <typeparam name="TAsEnumerable">The type of the enumerable as field.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="from">The from collection.</param>
/// <param name="connectFromField">The connect from field.</param>
/// <param name="connectToField">The connect to field.</param>
/// <param name="startWith">The start with value.</param>
/// <param name="as">The as field.</param>
/// <param name="options">The options.</param>
/// <returns>The fluent aggregate interface.</returns>
public static IAggregateFluent <TNewResult> GraphLookup <TResult, TNewResult, TFrom, TConnect, TConnectFrom, TStartWith, TAsEnumerable>(
this IAggregateFluent <TResult> aggregate,
IMongoCollection <TFrom> from,
FieldDefinition <TFrom, TConnectFrom> connectFromField,
FieldDefinition <TFrom, TConnect> connectToField,
AggregateExpressionDefinition <TResult, TStartWith> startWith,
FieldDefinition <TNewResult, TAsEnumerable> @as,
AggregateGraphLookupOptions <TNewResult, TFrom, TConnect, TConnectFrom, TStartWith, TFrom, TAsEnumerable> options = null)
where TAsEnumerable : IEnumerable <TFrom>
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
Ensure.IsNotNull(from, nameof(from));
Ensure.IsNotNull(connectFromField, nameof(connectFromField));
Ensure.IsNotNull(connectToField, nameof(connectToField));
Ensure.IsNotNull(startWith, nameof(startWith));
Ensure.IsNotNull(@as, nameof(@as));
var depthField = (FieldDefinition <TFrom, int>)null;
return(aggregate.GraphLookup(from, connectFromField, connectToField, startWith, @as, depthField, options));
}
/// <summary>
/// Appends a $graphLookup stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <typeparam name="TNewResult">The type of the new result (must be same as TResult with an additional as field).</typeparam>
/// <typeparam name="TFrom">The type of the from documents.</typeparam>
/// <typeparam name="TConnect">The type of the connect field.</typeparam>
/// <typeparam name="TConnectFrom">The type of the connect from field (must be either TConnect or a type that implements IEnumerable{TConnect}).</typeparam>
/// <typeparam name="TStartWith">The type of the start with expression (must be either TConnect or a type that implements IEnumerable{TConnect}).</typeparam>
/// <typeparam name="TAsEnumerable">The type of the enumerable as field.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="from">The from collection.</param>
/// <param name="connectFromField">The connect from field.</param>
/// <param name="connectToField">The connect to field.</param>
/// <param name="startWith">The start with value.</param>
/// <param name="as">The as field.</param>
/// <param name="options">The options.</param>
/// <returns>The fluent aggregate interface.</returns>
public static IAggregateFluent <TNewResult> GraphLookup <TResult, TNewResult, TFrom, TConnect, TConnectFrom, TStartWith, TAsEnumerable>(
this IAggregateFluent <TResult> aggregate,
IMongoCollection <TFrom> from,
Expression <Func <TFrom, TConnectFrom> > connectFromField,
Expression <Func <TFrom, TConnect> > connectToField,
Expression <Func <TResult, TStartWith> > startWith,
Expression <Func <TNewResult, TAsEnumerable> > @as,
AggregateGraphLookupOptions <TNewResult, TFrom, TConnect, TConnectFrom, TStartWith, TFrom, TAsEnumerable> options = null)
where TAsEnumerable : IEnumerable <TFrom>
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
Ensure.IsNotNull(from, nameof(from));
Ensure.IsNotNull(connectFromField, nameof(connectFromField));
Ensure.IsNotNull(connectToField, nameof(connectToField));
Ensure.IsNotNull(startWith, nameof(startWith));
Ensure.IsNotNull(@as, nameof(@as));
var connectFromFieldDefinition = new ExpressionFieldDefinition <TFrom, TConnectFrom>(connectFromField);
var connectToFieldDefinition = new ExpressionFieldDefinition <TFrom, TConnect>(connectToField);
var startWithDefinition = new ExpressionAggregateExpressionDefinition <TResult, TStartWith>(startWith, aggregate.Options.TranslationOptions);
var asDefinition = new ExpressionFieldDefinition <TNewResult, TAsEnumerable>(@as);
return(aggregate.GraphLookup(from, connectFromFieldDefinition, connectToFieldDefinition, startWithDefinition, asDefinition, options));
}