protected TDataType Find(NHookedContext ctx, Expression <Func <TDataType, bool> > expr)
{
IQueryable <TDataType> query = SetAccessor(ctx);
query = LoadingIncludes().Aggregate(query, (q, s) => q.Include(s));
return(query.FirstOrDefault(expr));
}
public T InContext <T>(Func <NHookedContext, T> f)
{
T result = default(T);
using (NHookedContext ctx = new NHookedContext()) {
result = f(ctx);
}
return(result);
}
public void InContext(Action <NHookedContext> f)
{
using (NHookedContext ctx = new NHookedContext()) {
f(ctx);
}
}
private PersistentUnit GetUnit(NHookedContext ctx)
{
// The order by looks superfluous but is not; changes between 2008 and 2012 mean that ordering reverts to what was originally intended for RDBMS - no guaranteed ordering
return ctx.PersistentUnits.Where(u => u.Subscription.UniqueId == Prototype.Subscription.UniqueId).OrderBy(u => u.PersistentUnitId).FirstOrDefault();
}
protected override void PreCommit(NHookedContext ctx, PersistentSubscription obj)
{
var topic = ctx.Topics.FirstOrDefault(t => t.UniqueId == obj.Topic.UniqueId);
topic.IsNotNull(() => obj.Topic = topic);
}
protected virtual void PreCommit(NHookedContext ctx, TDataType obj)
{
}
private PersistentUnit GetUnit(NHookedContext ctx)
{
// The order by looks superfluous but is not; changes between 2008 and 2012 mean that ordering reverts to what was originally intended for RDBMS - no guaranteed ordering
return(ctx.PersistentUnits.Where(u => u.Subscription.UniqueId == Prototype.Subscription.UniqueId).OrderBy(u => u.PersistentUnitId).FirstOrDefault());
}