ObserverContext.h

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#pragma once
#include "ObserverStatementBuilder.h"
#include "catapult/cache/CatapultCacheDelta.h"
#include "catapult/model/ResolverContext.h"
#include "catapult/state/CatapultState.h"
#include <iosfwd>
 
namespace catapult { namespace observers {
 
    // region NotifyMode
 
#define NOTIFY_MODE_LIST \
    /* Execute actions. */ \
    ENUM_VALUE(Commit) \
    \
    /* Reverse actions. */ \
    ENUM_VALUE(Rollback)
 
#define ENUM_VALUE(LABEL) LABEL,
    enum class NotifyMode {
        NOTIFY_MODE_LIST
    };
#undef ENUM_VALUE
 
    std::ostream& operator<<(std::ostream& out, NotifyMode value);
 
    // endregion
 
    // region ObserverState
 
    struct ObserverState {
    public:
        ObserverState(cache::CatapultCacheDelta& cache, state::CatapultState& state);
 
        ObserverState(cache::CatapultCacheDelta& cache, state::CatapultState& state, model::BlockStatementBuilder& blockStatementBuilder);
 
    public:
        cache::CatapultCacheDelta& Cache;
 
        state::CatapultState& State;
 
        model::BlockStatementBuilder* pBlockStatementBuilder;
    };
 
    // endregion
 
    // region ObserverContext
 
    struct ObserverContext {
    public:
        ObserverContext(const ObserverState& state, Height height, NotifyMode mode, const model::ResolverContext& resolvers);
 
    public:
        cache::CatapultCacheDelta& Cache;
 
        state::CatapultState& State;
 
        const catapult::Height Height;
 
        const NotifyMode Mode;
 
        const model::ResolverContext Resolvers;
 
    public:
        ObserverStatementBuilder& StatementBuilder();
 
    private:
        ObserverStatementBuilder m_statementBuilder;
    };
 
    // endregion
}}