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Added SetWeightHint and did some refactoring in the process: · jchjava/cpp.react@3ca6720 · GitHub

/ cpp.react Public
forked from snakster/cpp.react

Commit 3ca6720

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schlangster
committed
Added SetWeightHint and did some refactoring in the process:
* SetWeightHint is added as a member function to all reactive types. * Moved NodeUpdateTimer to NodeBase. * Got rid of domain specific registry. Instead, unique_ptrs to observers are stored per subject. * Moved internals from Domain.h to DomainBase.h. * Added common base classes for reactive types. * Added some missing constructors & assignment operators & IsValid(). * Removed NodePtr() from public interface. Replaced by internal friend function GetNodePtr().
1 parent aeb7c84 commit 3ca6720

21 files changed

Lines changed: 819 additions & 605 deletions

‎include/react/Algorithm.h‎

Lines changed: 7 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -55,7 +55,7 @@ auto Hold(const Events<D,T>& events, V&& init)
5555

5656
return Signal<D,T>(
5757
std::make_shared<HoldNode<D,T>>(
58-
std::forward<V>(init), events.NodePtr()));
58+
std::forward<V>(init), GetNodePtr(events)));
5959
}
6060

6161
///////////////////////////////////////////////////////////////////////////////////////////////////
@@ -73,7 +73,7 @@ auto Monitor(const Signal<D,S>& target)
7373

7474
return Events<D,S>(
7575
std::make_shared<MonitorNode<D, S>>(
76-
target.NodePtr()));
76+
GetNodePtr(target)));
7777
}
7878

7979
///////////////////////////////////////////////////////////////////////////////////////////////////
@@ -103,7 +103,7 @@ auto Iterate(const Events<D,E>& events, V&& init, FIn&& func)
103103

104104
return Signal<D,S>(
105105
std::make_shared<TNode>(
106-
std::forward<V>(init), events.NodePtr(), std::forward<FIn>(func)));
106+
std::forward<V>(init), GetNodePtr(events), std::forward<FIn>(func)));
107107
}
108108

109109
///////////////////////////////////////////////////////////////////////////////////////////////////
@@ -146,8 +146,8 @@ auto Iterate(const Events<D,E>& events, V&& init,
146146
{
147147
return Signal<D,S>(
148148
std::make_shared<TNode>(
149-
std::forward<V>(MyInit), MySource.NodePtr(),
150-
std::forward<FIn>(MyFunc), deps.NodePtr() ...));
149+
std::forward<V>(MyInit), GetNodePtr(MySource),
150+
std::forward<FIn>(MyFunc), GetNodePtr(deps) ...));
151151
}
152152

153153
const Events<D,E>& MySource;
@@ -176,7 +176,7 @@ auto Snapshot(const Events<D,E>& trigger, const Signal<D,S>& target)
176176

177177
return Signal<D,S>(
178178
std::make_shared<SnapshotNode<D,S,E>>(
179-
target.NodePtr(), trigger.NodePtr()));
179+
GetNodePtr(target), GetNodePtr(trigger)));
180180
}
181181

182182

@@ -197,7 +197,7 @@ auto Pulse(const Events<D,E>& trigger, const Signal<D,S>& target)
197197

198198
return Events<D,S>(
199199
std::make_shared<PulseNode<D,S,E>>(
200-
target.NodePtr(), trigger.NodePtr()));
200+
GetNodePtr(target), GetNodePtr(trigger)));
201201
}
202202

203203
///////////////////////////////////////////////////////////////////////////////////////////////////

‎include/react/Domain.h‎

Lines changed: 26 additions & 211 deletions
Original file line numberDiff line numberDiff line change
@@ -14,20 +14,16 @@
1414
#include <memory>
1515
#include <utility>
1616

17-
#include "react/detail/IReactiveEngine.h"
17+
#include "react/detail/DomainBase.h"
1818
#include "react/detail/ReactiveInput.h"
19+
1920
#include "react/detail/graph/ContinuationNodes.h"
2021

2122
#ifdef REACT_ENABLE_LOGGING
2223
#include "react/logging/EventLog.h"
2324
#include "react/logging/EventRecords.h"
2425
#endif //REACT_ENABLE_LOGGING
2526

26-
// Include all engines for convenience
27-
#include "react/engine/PulsecountEngine.h"
28-
#include "react/engine/SubtreeEngine.h"
29-
#include "react/engine/ToposortEngine.h"
30-
3127
/*****************************************/ REACT_BEGIN /*****************************************/
3228

3329
///////////////////////////////////////////////////////////////////////////////////////////////////
@@ -79,18 +75,18 @@ using REACT_IMPL::allow_merging;
7975
#endif //REACT_ENABLE_LOGGING
8076

8177
// Domain modes
82-
enum EDomainMode
83-
{
84-
sequential,
85-
sequential_concurrent,
86-
parallel,
87-
parallel_concurrent
88-
};
78+
using REACT_IMPL::EDomainMode;
79+
using REACT_IMPL::sequential;
80+
using REACT_IMPL::sequential_concurrent;
81+
using REACT_IMPL::parallel;
82+
using REACT_IMPL::parallel_concurrent;
8983

9084
// Expose enum type so aliases for engines can be declared, but don't
9185
// expose the actual enum values as they are reserved for internal use.
9286
using REACT_IMPL::EPropagationMode;
9387

88+
using REACT_IMPL::WeightHint;
89+
9490
///////////////////////////////////////////////////////////////////////////////////////////////////
9591
/// TransactionStatus
9692
///////////////////////////////////////////////////////////////////////////////////////////////////
@@ -139,101 +135,38 @@ class TransactionStatus
139135
friend void AsyncTransaction(TransactionFlagsT flags, TransactionStatus& status, F&& func);
140136
};
141137

142-
///////////////////////////////////////////////////////////////////////////////////////////////////
143-
/// DomainBase
144-
///////////////////////////////////////////////////////////////////////////////////////////////////
145-
template <typename D, typename TPolicy>
146-
class DomainBase
147-
{
148-
public:
149-
using TurnT = typename TPolicy::Engine::TurnT;
150-
151-
DomainBase() = delete;
152-
153-
using Policy = TPolicy;
154-
using Engine = REACT_IMPL::EngineInterface<D, typename Policy::Engine>;
155-
156-
///////////////////////////////////////////////////////////////////////////////////////////////
157-
/// Domain traits
158-
///////////////////////////////////////////////////////////////////////////////////////////////
159-
static const bool uses_node_update_timer =
160-
REACT_IMPL::NodeUpdateTimerEnabled<typename Policy::Engine>::value;
161-
162-
static const bool is_concurrent =
163-
Policy::input_mode == REACT_IMPL::concurrent_input;
164-
165-
static const bool is_parallel =
166-
Policy::propagation_mode == REACT_IMPL::parallel_propagation;
167-
168-
///////////////////////////////////////////////////////////////////////////////////////////////
169-
/// Aliases for reactives of this domain
170-
///////////////////////////////////////////////////////////////////////////////////////////////
171-
template <typename S>
172-
using SignalT = Signal<D,S>;
173-
174-
template <typename S>
175-
using VarSignalT = VarSignal<D,S>;
176-
177-
template <typename E = Token>
178-
using EventsT = Events<D,E>;
179-
180-
template <typename E = Token>
181-
using EventSourceT = EventSource<D,E>;
182-
183-
using ObserverT = Observer<D>;
184-
185-
using ScopedObserverT = ScopedObserver<D>;
186-
187-
using ReactorT = Reactor<D>;
188-
189-
#ifdef REACT_ENABLE_LOGGING
190-
///////////////////////////////////////////////////////////////////////////////////////////////
191-
/// Log
192-
///////////////////////////////////////////////////////////////////////////////////////////////
193-
static EventLog& Log()
194-
{
195-
static EventLog instance;
196-
return instance;
197-
}
198-
#endif //REACT_ENABLE_LOGGING
199-
};
200-
201138
///////////////////////////////////////////////////////////////////////////////////////////////////
202139
/// Continuation
203140
///////////////////////////////////////////////////////////////////////////////////////////////////
204141
template
205142
<
206-
typename TSourceDomain,
207-
typename TTargetDomain
143+
typename D,
144+
typename D2
208145
>
209-
class Continuation
146+
class Continuation : public REACT_IMPL::ContinuationBase<D,D2>
210147
{
211-
using NodePtrT = REACT_IMPL::NodeBasePtrT<TSourceDomain>;
148+
private:
149+
using NodePtrT = REACT_IMPL::NodeBasePtrT<D>;
212150

213151
public:
214-
using SourceDomainT = TSourceDomain;
215-
using TargetDomainT = TTargetDomain;
152+
using SourceDomainT = D;
153+
using TargetDomainT = D2;
216154

217155
Continuation() = default;
218-
Continuation(const Continuation&) = delete;
219-
Continuation& operator=(const Continuation&) = delete;
220156

221157
Continuation(Continuation&& other) :
222-
nodePtr_( std::move(other.nodePtr_) )
158+
Continuation::ContinuationBase( std::move(other) )
223159
{}
224160

225161
explicit Continuation(NodePtrT&& nodePtr) :
226-
nodePtr_( std::move(nodePtr) )
227-
{}
162+
Continuation::ContinuationBase( std::move(nodePtr) )
163+
{}
228164

229165
Continuation& operator=(Continuation&& other)
230166
{
231-
nodePtr_ = std::move(other.nodePtr_);
167+
Continuation::ContinuationBase::operator=( std::move(other) );
232168
return *this;
233169
}
234-
235-
private:
236-
NodePtrT nodePtr_;
237170
};
238171

239172
///////////////////////////////////////////////////////////////////////////////////////////////////
@@ -257,7 +190,7 @@ auto MakeContinuation(TransactionFlagsT flags, const Signal<D,S>& trigger, FIn&&
257190

258191
return Continuation<D,DOut>(
259192
std::make_shared<SignalContinuationNode<D,DOut,S,F>>(
260-
flags, trigger.NodePtr(), std::forward<FIn>(func)));
193+
flags, GetNodePtr(trigger), std::forward<FIn>(func)));
261194
}
262195

263196
template
@@ -294,7 +227,7 @@ auto MakeContinuation(TransactionFlagsT flags, const Events<D,E>& trigger, FIn&&
294227

295228
return Continuation<D,DOut>(
296229
std::make_shared<EventContinuationNode<D,DOut,E,F>>(
297-
flags, trigger.NodePtr(), std::forward<FIn>(func)));
230+
flags, GetNodePtr(trigger), std::forward<FIn>(func)));
298231
}
299232

300233
template
@@ -345,11 +278,11 @@ auto MakeContinuation(TransactionFlagsT flags, const Events<D,E>& trigger,
345278
return Continuation<D,DOut>(
346279
std::make_shared<SyncedContinuationNode<D,DOut,E,F,TDepValues...>>(
347280
MyFlags,
348-
MyTrigger.NodePtr(),
349-
std::forward<FIn>(MyFunc), deps.NodePtr() ...));
281+
GetNodePtr(MyTrigger),
282+
std::forward<FIn>(MyFunc), GetNodePtr(deps) ...));
350283
}
351284

352-
TransactionFlagsT MyFlags;
285+
TransactionFlagsT MyFlags;
353286
const Events<D,E>& MyTrigger;
354287
FIn MyFunc;
355288
};
@@ -437,130 +370,12 @@ void AsyncTransaction(TransactionFlagsT flags, TransactionStatus& status, F&& fu
437370

438371
/******************************************/ REACT_END /******************************************/
439372

440-
/***************************************/ REACT_IMPL_BEGIN /**************************************/
441-
442-
///////////////////////////////////////////////////////////////////////////////////////////////////
443-
/// ModeSelector - Translate domain mode to individual propagation and input modes
444-
///////////////////////////////////////////////////////////////////////////////////////////////////
445-
template <EDomainMode>
446-
struct ModeSelector;
447-
448-
template <>
449-
struct ModeSelector<sequential>
450-
{
451-
static const EInputMode input = consecutive_input;
452-
static const EPropagationMode propagation = sequential_propagation;
453-
};
454-
455-
template <>
456-
struct ModeSelector<sequential_concurrent>
457-
{
458-
static const EInputMode input = concurrent_input;
459-
static const EPropagationMode propagation = sequential_propagation;
460-
};
461-
462-
template <>
463-
struct ModeSelector<parallel>
464-
{
465-
static const EInputMode input = consecutive_input;
466-
static const EPropagationMode propagation = parallel_propagation;
467-
};
468-
469-
template <>
470-
struct ModeSelector<parallel_concurrent>
471-
{
472-
static const EInputMode input = concurrent_input;
473-
static const EPropagationMode propagation = parallel_propagation;
474-
};
475-
476-
///////////////////////////////////////////////////////////////////////////////////////////////////
477-
/// GetDefaultEngine - Get default engine type for given propagation mode
478-
///////////////////////////////////////////////////////////////////////////////////////////////////
479-
template <EPropagationMode>
480-
struct GetDefaultEngine;
481-
482-
template <>
483-
struct GetDefaultEngine<sequential_propagation>
484-
{
485-
using Type = ToposortEngine<sequential_propagation>;
486-
};
487-
488-
template <>
489-
struct GetDefaultEngine<parallel_propagation>
490-
{
491-
using Type = SubtreeEngine<parallel_propagation>;
492-
};
493-
494-
///////////////////////////////////////////////////////////////////////////////////////////////////
495-
/// EngineTypeBuilder - Instantiate the given template engine type with mode.
496-
///////////////////////////////////////////////////////////////////////////////////////////////////
497-
template <EPropagationMode>
498-
struct DefaultEnginePlaceholder;
499-
500-
// Concrete engine template type
501-
template
502-
<
503-
EPropagationMode mode,
504-
template <EPropagationMode> class TTEngine
505-
>
506-
struct EngineTypeBuilder
507-
{
508-
using Type = TTEngine<mode>;
509-
};
510-
511-
// Placeholder engine type - use default engine for given mode
512-
template
513-
<
514-
EPropagationMode mode
515-
>
516-
struct EngineTypeBuilder<mode,DefaultEnginePlaceholder>
517-
{
518-
using Type = typename GetDefaultEngine<mode>::Type;
519-
};
520-
521-
///////////////////////////////////////////////////////////////////////////////////////////////////
522-
/// DomainPolicy
523-
///////////////////////////////////////////////////////////////////////////////////////////////////
524-
template
525-
<
526-
EDomainMode mode,
527-
template <EPropagationMode> class TTEngine = DefaultEnginePlaceholder
528-
>
529-
struct DomainPolicy
530-
{
531-
static const EInputMode input_mode = ModeSelector<mode>::input;
532-
static const EPropagationMode propagation_mode = ModeSelector<mode>::propagation;
533-
534-
using Engine = typename EngineTypeBuilder<propagation_mode,TTEngine>::Type;
535-
};
536-
537-
///////////////////////////////////////////////////////////////////////////////////////////////////
538-
/// Ensure singletons are created immediately after domain declaration (TODO hax)
539-
///////////////////////////////////////////////////////////////////////////////////////////////////
540-
template <typename D>
541-
class DomainInitializer
542-
{
543-
public:
544-
DomainInitializer()
545-
{
546-
#ifdef REACT_ENABLE_LOGGING
547-
D::Log();
548-
#endif //REACT_ENABLE_LOGGING
549-
550-
D::Engine::Instance();
551-
DomainSpecificObserverRegistry<D>::Instance();
552-
DomainSpecificInputManager<D>::Instance();
553-
}
554-
};
555-
556-
/****************************************/ REACT_IMPL_END /***************************************/
557-
558373
///////////////////////////////////////////////////////////////////////////////////////////////////
559374
/// Domain definition macro
560375
///////////////////////////////////////////////////////////////////////////////////////////////////
561376
#define REACTIVE_DOMAIN(name, ...) \
562377
struct name : \
563-
public REACT::DomainBase<name, REACT_IMPL::DomainPolicy< __VA_ARGS__ >> {}; \
378+
public REACT_IMPL::DomainBase<name, REACT_IMPL::DomainPolicy< __VA_ARGS__ >> {}; \
564379
REACT_IMPL::DomainInitializer<name> name ## _initializer_;
565380

566381
///////////////////////////////////////////////////////////////////////////////////////////////////

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