private static IDb4oLinqQuery <TSource> Process <TSource>(
IDb4oLinqQuery <TSource> query,
Func <Db4oQuery <TSource>, IQueryBuilderRecord> queryProcessor,
Func <IDb4oLinqQueryInternal <TSource>, IEnumerable <TSource> > fallbackProcessor)
{
if (query == null)
{
throw new ArgumentNullException("query");
}
var candidate = query as Db4oQuery <TSource>;
if (candidate == null)
{
return(new UnoptimizedQuery <TSource>(fallbackProcessor((IDb4oLinqQueryInternal <TSource>)EnsureDb4oQuery(query))));
}
try
{
IQueryBuilderRecord record = queryProcessor(candidate);
return(new Db4oQuery <TSource>(candidate, record));
}
catch (QueryOptimizationException)
{
return(new UnoptimizedQuery <TSource>(fallbackProcessor(candidate)));
}
}
private IQueryBuilderRecord ApplyDirection(IQueryBuilderRecord record)
{
var recorder = new QueryBuilderRecorder(record);
recorder.Add(ctx => ApplyDirection(ctx.CurrentQuery));
return(recorder.Record);
}
public Db4oQuery(ISodaQueryFactory queryFactory)
{
if (queryFactory == null)
{
throw new ArgumentNullException("queryFactory");
}
_queryFactory = queryFactory;
_record = NullQueryBuilderRecord.Instance;
}
public LinqQuery(IOdb odb)
{
if (odb == null)
{
throw new ArgumentNullException("odb");
}
_odb = odb;
_record = NullQueryBuilderRecord.Instance;
}
private IQueryBuilderRecord ApplyDirection(IQueryBuilderRecord record)
{
QueryBuilderRecorder recorder = new QueryBuilderRecorder(record);
recorder.Add(ctx => ApplyDirection(ctx.CurrentQuery));
return recorder.Record;
}
public ChainedQueryBuilderRecord(IQueryBuilderRecord next, Action <QueryBuilderContext> action)
{
_next = next;
_action = action;
}
public CompositeQueryBuilderRecord(IQueryBuilderRecord first, IQueryBuilderRecord second)
{
_first = first;
_second = second;
}
public void Add(Action <QueryBuilderContext> action)
{
_last = new ChainedQueryBuilderRecord(_last, action);
}
public QueryBuilderRecorder(IQueryBuilderRecord record)
{
_last = record;
}
public ChainedQueryBuilderRecord(IQueryBuilderRecord next, Action<QueryBuilderContext> action)
{
_next = next;
_action = action;
}
public CompositeQueryBuilderRecord(IQueryBuilderRecord first, IQueryBuilderRecord second)
{
_first = first;
_second = second;
}
public void Add(Action<QueryBuilderContext> action)
{
_last = new ChainedQueryBuilderRecord(_last, action);
}
public QueryBuilderRecorder(IQueryBuilderRecord record)
{
_last = record;
}
public LinqQuery(LinqQuery <T> parent, IQueryBuilderRecord record)
{
_odb = parent._odb;
_record = new CompositeQueryBuilderRecord(parent._record, record);
}
public Db4oQuery(Db4oQuery <T> parent, IQueryBuilderRecord record)
{
_queryFactory = parent.QueryFactory;
_record = new CompositeQueryBuilderRecord(parent.Record, record);
}
