protected internal override Expression VisitEmbeddedEntity(EmbeddedEntityExpression eee)
{
var embeddedParam = Expression.Parameter(eee.Type);
var embeddedAssign = Expression.Assign(embeddedParam, Expression.New(eee.Type));
var embeddedBindings =
eee.Bindings.Select(b =>
{
var field = Expression.Field(embeddedParam, b.FieldInfo);
var value = b.Binding is ChildProjectionExpression ?
VisitMListChildProjection((ChildProjectionExpression)b.Binding, field) :
Convert(Visit(b.Binding), b.FieldInfo.FieldType);
return(Expression.Assign(field, value));
}).ToList <Expression>();
embeddedBindings.Insert(0, embeddedAssign);
if (typeof(EmbeddedEntity).IsAssignableFrom(eee.Type))
{
embeddedBindings.Add(Expression.Call(retriever, miModifiablePostRetrieving.MakeGenericMethod(eee.Type), embeddedParam));
}
else
{
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)));
}
protected internal virtual Expression VisitEmbeddedEntity(EmbeddedEntityExpression eee)
{
var bindings = Visit(eee.Bindings, VisitFieldBinding);
var hasValue = Visit(eee.HasValue);
if (eee.Bindings != bindings || eee.HasValue != hasValue)
{
return(new EmbeddedEntityExpression(eee.Type, hasValue, bindings, eee.FieldEmbedded, eee.ViewTable));
}
return(eee);
}
protected internal override Expression VisitEmbeddedEntity(EmbeddedEntityExpression eee)
{
var bindings = VisitBindings(eee.Bindings);
var hasValue = Visit(eee.HasValue);
if (eee.Bindings != bindings || eee.HasValue != hasValue || eee.EntityContext != null)
{
return(new EmbeddedEntityExpression(eee.Type, hasValue, bindings, eee.FieldEmbedded, eee.ViewTable, null));
}
return(eee);
}
protected internal virtual Expression VisitEmbeddedEntity(EmbeddedEntityExpression eee)
{
var bindings = Visit(eee.Bindings, VisitFieldBinding);
var hasValue = Visit(eee.HasValue);
var entityContext = eee.EntityContext == null ? null : VisitEntityContextInfo(eee.EntityContext);
if (eee.Bindings != bindings || eee.HasValue != hasValue || eee.EntityContext != entityContext)
{
return(new EmbeddedEntityExpression(eee.Type, hasValue, bindings, eee.FieldEmbedded, eee.ViewTable, entityContext));
}
return(eee);
}
static Expression EmbeddedNullEquals(EmbeddedEntityExpression eee)
{
return(Expression.Not(eee.HasValue));
}
protected internal override Expression VisitEmbeddedEntity(EmbeddedEntityExpression eee)
{
throw InvalidSqlExpression(eee);
}
protected virtual bool CompareEmbeddedFieldInit(EmbeddedEntityExpression a, EmbeddedEntityExpression b)
{
return(Compare(a.HasValue, b.HasValue) &&
a.FieldEmbedded == b.FieldEmbedded &&
CompareList(a.Bindings, b.Bindings, CompareFieldBinding));
}
static Expression EmbeddedNullEquals(EmbeddedEntityExpression eee)
{
return Expression.Not(eee.HasValue);
}
protected virtual Expression VisitEmbeddedEntity(EmbeddedEntityExpression eee)
{
var bindings = eee.Bindings.NewIfChange(VisitFieldBinding);
var hasValue = Visit(eee.HasValue);
if (eee.Bindings != bindings || eee.HasValue != hasValue)
{
return new EmbeddedEntityExpression(eee.Type, hasValue, bindings, eee.FieldEmbedded);
}
return eee;
}
protected override Expression VisitEmbeddedEntity(EmbeddedEntityExpression eee)
{
throw InvalidSqlExpression(eee);
}