public void AssociateWith <TEntity>(Expression <Func <TEntity, IEnumerable> > memberQuery) where TEntity : IEntity
{
var rootMember = RootMemberFinder.Find(memberQuery, memberQuery.Parameters[0]);
if (rootMember != memberQuery.Body)
{
var memberParam = Expression.Parameter(rootMember.Type, "root");
var newBody = DbExpressionReplacer.Replace(memberQuery.Body, rootMember, memberParam);
AddOperation(rootMember.Member, Expression.Lambda(newBody, memberParam));
}
}
public void IncludeWith(LambdaExpression fnMember, bool deferLoad)
{
var rootMember = RootMemberFinder.Find(fnMember, fnMember.Parameters[0]);
if (rootMember == null)
{
throw new InvalidOperationException("Subquery does not originate with a member access");
}
Include(rootMember.Member, deferLoad);
if (rootMember != fnMember.Body)
{
AssociateWith(fnMember);
}
}
public void AssociateWith(LambdaExpression memberQuery)
{
var rootMember = RootMemberFinder.Find(memberQuery, memberQuery.Parameters[0]);
if (rootMember == null)
{
throw new InvalidOperationException("Subquery does not originate with a member access");
}
if (rootMember != memberQuery.Body)
{
var memberParam = Expression.Parameter(rootMember.Type, "root");
var newBody = ExpressionReplacer.Replace(memberQuery.Body, rootMember, memberParam);
this.AddOperation(rootMember.Member, Expression.Lambda(newBody, memberParam));
}
}
public void AssociateWith(LambdaExpression memberQuery)
{
MemberExpression searchFor = RootMemberFinder.Find(memberQuery, memberQuery.Parameters[0]);
if (searchFor == null)
{
throw new InvalidOperationException("Subquery does not originate with a member access");
}
if (searchFor != memberQuery.Body)
{
ParameterExpression replaceWith = Expression.Parameter(searchFor.Type, "root");
Expression body = ExpressionReplacer.Replace(memberQuery.Body, searchFor, replaceWith);
this.AddOperation(searchFor.Member, Expression.Lambda(body, new ParameterExpression[] { replaceWith }));
}
}