protected internal override Expression VisitEmbeddedEntity(EmbeddedEntityExpression eee)
{
var bindings = VisitBindings(eee.Bindings);
var mixins = eee.Mixins == null ? null : Visit(eee.Mixins, VisitMixinEntity);
var hasValue = Visit(eee.HasValue);
if (eee.Bindings != bindings || eee.HasValue != hasValue || eee.EntityContext != null)
{
return(new EmbeddedEntityExpression(eee.Type, hasValue, bindings, mixins, eee.FieldEmbedded, eee.ViewTable, null));
}
return(eee);
}
protected internal virtual Expression VisitEmbeddedEntity(EmbeddedEntityExpression eee)
{
var bindings = Visit(eee.Bindings, VisitFieldBinding);
var mixins = eee.Mixins == null ? null : Visit(eee.Mixins, VisitMixinEntity);
var hasValue = Visit(eee.HasValue);
var entityContext = eee.EntityContext == null ? null : VisitEntityContextInfo(eee.EntityContext);
if (eee.Bindings != bindings || eee.Mixins != mixins || eee.HasValue != hasValue || eee.EntityContext != entityContext)
{
return(new EmbeddedEntityExpression(eee.Type, hasValue, bindings, mixins, eee.FieldEmbedded, eee.ViewTable, entityContext));
}
return(eee);
}
protected internal override Expression VisitEmbeddedEntity(EmbeddedEntityExpression eee)
{
var embeddedParam = Expression.Parameter(eee.Type);
var embeddedBindings = new List <Expression>
{
Expression.Assign(embeddedParam, Expression.New(eee.Type))
};
if (typeof(EmbeddedEntity).IsAssignableFrom(eee.Type))
{
embeddedBindings.Add(Expression.Call(retriever, miModifiablePostRetrieving.MakeGenericMethod(eee.Type), embeddedParam));
}
embeddedBindings.AddRange(eee.Bindings.Select(b =>
{
var field = Expression.Field(embeddedParam, b.FieldInfo);
var value = b.Binding is ChildProjectionExpression cpe ? VisitMListChildProjection(cpe, field) :
Convert(Visit(b.Binding), b.FieldInfo.FieldType);
return(Expression.Assign(field, value));
}));
if (eee.Mixins != null)
{
var blocks = eee.Mixins.Select(m => AssignMixin(embeddedParam, m)).ToList();
embeddedBindings.AddRange(blocks);
}
embeddedBindings.Add(embeddedParam);
var block = Expression.Block(eee.Type, new[] { embeddedParam }, embeddedBindings);
return(Expression.Condition(Expression.Equal(Visit(eee.HasValue.Nullify()), Expression.Constant(true, typeof(bool?))),
block,
Expression.Constant(null, block.Type)));
}
