public override DbExpression Visit(DbRelationshipNavigationExpression expression)
{
Check.NotNull(expression, "expression");
DbExpression result = expression;
RelationshipEndMember newFrom;
RelationshipEndMember newTo;
VisitRelationshipEnds(expression.NavigateFrom, expression.NavigateTo, out newFrom, out newTo);
var newNavSource = VisitExpression(expression.NavigationSource);
if (!ReferenceEquals(expression.NavigateFrom, newFrom)
||
!ReferenceEquals(expression.NavigateTo, newTo)
||
!ReferenceEquals(expression.NavigationSource, newNavSource))
{
result = CqtBuilder.Navigate(newNavSource, newFrom, newTo);
}
NotifyIfChanged(expression, result);
return(result);
}
/// <summary>
/// Visitor pattern method for <see cref="DbRelationshipNavigationExpression" />.
/// </summary>
/// <param name="expression"> The DbRelationshipNavigationExpression that is being visited. </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="expression" />
/// is null
/// </exception>
public override void Visit(DbRelationshipNavigationExpression expression)
{
Check.NotNull(expression, "expression");
VisitExpression(expression.NavigationSource);
}
/// <summary> /// When overridden in a derived class, implements the visitor pattern for /// <see /// cref="T:System.Data.Entity.Core.Common.CommandTrees.DbRelationshipNavigationExpression" /> /// . /// </summary> /// <returns>A result value of a specific type.</returns> /// <param name="expression"> /// The <see cref="T:System.Data.Entity.Core.Common.CommandTrees.DbRelationshipNavigationExpression" /> that is being visited. /// </param> public abstract TResultType Visit(DbRelationshipNavigationExpression expression);
/// <summary> /// When overridden in a derived class, implements the visitor pattern for /// <see cref="T:System.Data.Entity.Core.Common.CommandTrees.DbRelationshipNavigationExpression" /> /// . /// </summary> /// <param name="expression"> /// The <see cref="T:System.Data.Entity.Core.Common.CommandTrees.DbRelationshipNavigationExpression" /> that is visited. /// </param> public abstract void Visit(DbRelationshipNavigationExpression expression);
public override void Visit(DbRelationshipNavigationExpression expression)
{
}
/// <summary>
/// Visitor pattern method for <see cref="T:System.Data.Entity.Core.Common.CommandTrees.DbRelationshipNavigationExpression" />.
/// </summary>
/// <param name="expression"> The DbRelationshipNavigationExpression that is being visited. </param>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="expression" />
/// is null
/// </exception>
public override void Visit(DbRelationshipNavigationExpression expression)
{
Check.NotNull <DbRelationshipNavigationExpression>(expression, nameof(expression));
this.VisitExpression(expression.NavigationSource);
}