public override void Visit(RelPropertyOp op, Node n)
{
using (new AutoString(this, op)) {
VisitChildren(n);
WriteString(".NAVIGATE(");
WriteString(op.PropertyInfo.Relationship.Name);
WriteString(",");
WriteString(op.PropertyInfo.FromEnd.Name);
WriteString(",");
WriteString(op.PropertyInfo.ToEnd.Name);
WriteString(")");
}
}
/// <summary>
/// RelPropertyOp handling.
/// Delegates to VisitPropertyOp. Marks the rel-property as required from the
/// child
/// </summary>
/// <param name="op">the RelPropertyOp</param>
/// <param name="n">node tree corresponding to the op</param>
public override void Visit(RelPropertyOp op, Node n)
{
VisitPropertyOp(op, n, new RelPropertyRef(op.PropertyInfo));
}
/// <summary>
/// RelPropertyOp. Pick out the appropriate property from the child
/// </summary>
/// <param name="op"> </param>
/// <param name="n"> </param>
/// <returns> </returns>
public override Node Visit(RelPropertyOp op, Node n)
{
// DevDiv #7246: When the underlying source is "OF TYPE ONLY" query, the view does not have the
// rel properties for the subtypes. However, relationship span may try to navigate to these properties,
// thus we need to ignore them (i.e. the nulls are produced)
return VisitPropertyOp(op, n, new RelPropertyRef(op.PropertyInfo), throwIfMissing: false);
}
public override void Visit(RelPropertyOp op, Node n)
{
VisitScalarOpDefault(op, n);
Assert(m_command.IsRelPropertyReferenced(op.PropertyInfo), "no such rel property:", op.PropertyInfo);
Assert(
TypeSemantics.IsEntityType(n.Child0.Op.Type), "argument to RelPropertyOp must be an entity type. Found: ", n.Child0.Op.Type);
}
/// <summary>
/// Copies a RelPropertyOp
/// </summary>
/// <param name="op">the RelPropertyOp to copy</param>
/// <param name="n">node tree corresponding to 'op'</param>
/// <returns>a copy of the node tree</returns>
public override Node Visit(RelPropertyOp op, Node n)
{
return(CopyDefault(m_destCmd.CreateRelPropertyOp(op.PropertyInfo), n));
}
/// <summary>
/// Visitor pattern method for RelPropertyOp
/// </summary>
/// <param name="op"> The RelPropertyOp being visited </param>
/// <param name="n"> The Node that references the Op </param>
public virtual void Visit(RelPropertyOp op, Node n)
{
VisitScalarOpDefault(op, n);
}
/// <summary>
/// RelPropertyOp handling.
/// Delegates to VisitPropertyOp. Marks the rel-property as required from the
/// child
/// </summary>
/// <param name="op"> the RelPropertyOp </param>
/// <param name="n"> node tree corresponding to the op </param>
public override void Visit(RelPropertyOp op, Node n)
{
VisitPropertyOp(op, n, new RelPropertyRef(op.PropertyInfo));
}
// <summary>
// Copies a RelPropertyOp
// </summary>
// <param name="op"> the RelPropertyOp to copy </param>
// <param name="n"> node tree corresponding to 'op' </param>
// <returns> a copy of the node tree </returns>
public override Node Visit(RelPropertyOp op, Node n)
{
return CopyDefault(m_destCmd.CreateRelPropertyOp(op.PropertyInfo), n);
}
public override void Visit(RelPropertyOp op, Node n)
{
VisitScalarOpDefault(op, n);
Assert(m_command.IsRelPropertyReferenced(op.PropertyInfo), "no such rel property:", op.PropertyInfo);
Assert(TypeSemantics.IsEntityType(n.Child0.Op.Type), "argument to RelPropertyOp must be an entity type. Found: ", n.Child0.Op.Type);
}
public override void Visit(RelPropertyOp op, System.Data.Entity.Core.Query.InternalTrees.Node n)
{
this.VisitPropertyOp((Op)op, n, (PropertyRef) new RelPropertyRef(op.PropertyInfo));
}