/// <summary>
/// Based on the type information present in this descriptor create method that takes
/// the returned _source and hit and returns the ClrType it should deserialize too.
/// This is so that Documents[A] can contain actual instances of subclasses B, C as well.
/// If you specify types using .Types(typeof(B), typeof(C)) then NEST can automagically
/// create a TypeSelector based on the hits _type property.
/// </summary>
public static void CloseOverAutomagicCovariantResultSelector(Inferrer infer, ICovariantSearchRequest self)
{
if (infer == null || self == null) return;
var returnType = self.ClrType;
if (returnType == null) return;
var types = self.ElasticsearchTypes?.Match(all => new TypeName[] { "_all" }, many => many.Types);
types = (types ?? Enumerable.Empty<TypeName>()).Where(t => t.Type != null).ToList();
if (self.TypeSelector != null || !types.HasAny(t => t.Type != returnType))
return;
var typeDictionary = types.ToDictionary(infer.TypeName, t => t.Type);
self.TypeSelector = (o, h) =>
{
Type t;
return !typeDictionary.TryGetValue(h.Type, out t) ? returnType : t;
};
}
public DslPrettyPrintVisitor(IConnectionSettingsValues settings)
{
this._sb = new StringBuilder();
this._infer = settings.Inferrer;
}
protected override Id GetIdForOperation(Inferrer inferrer) => Self.Id ?? new Id(Self.Document);
protected override Routing GetRoutingForOperation(Inferrer inferrer) => Self.Routing ?? new Routing(Self.Document);
public static string NestedProperty <TRoot, TProperty>(this Inferrer inferrer, Expression <Func <TRoot, object> > rootExpression, Expression <Func <TProperty, object> > propExpression)
{
return($"{inferrer.PropertyName(rootExpression)}.{inferrer.PropertyName(propExpression)}");
}
public static ElasticMappingResolver Create(Func <ITypeMapping> getMapping, Inferrer inferrer, ILogger logger = null)
{
return(new ElasticMappingResolver(getMapping, inferrer, logger: logger));
}
public static ElasticMappingResolver Create <T>(Func <TypeMappingDescriptor <T>, ITypeMapping> mappingBuilder, Inferrer inferrer, Func <ITypeMapping> getMapping, ILogger logger = null) where T : class
{
var codeMapping = new TypeMappingDescriptor <T>();
codeMapping = mappingBuilder(codeMapping) as TypeMappingDescriptor <T>;
return(new ElasticMappingResolver(codeMapping, inferrer, getMapping, logger: logger));
}
public ElasticMappingResolver(ITypeMapping codeMapping, Inferrer inferrer, Func <ITypeMapping> getMapping, ILogger logger = null)
: this(getMapping, inferrer, logger)
{
_codeMapping = codeMapping;
}
public ElasticMappingResolver(Func <ITypeMapping> getMapping, Inferrer inferrer = null, ILogger logger = null)
{
GetServerMappingFunc = getMapping;
_inferrer = inferrer;
_logger = logger ?? NullLogger.Instance;
}
