interface/stream/EDProducer.h

0001 #ifndef FWCore_Framework_stream_EDProducer_h
0002 #define FWCore_Framework_stream_EDProducer_h
0003 // -*- C++ -*-
0004 //
0005 // Package:     FWCore/Framework
0006 // Class  :     EDProducer
0007 //
0008 /**\class edm::stream::EDProducer EDProducer.h "FWCore/Framework/interface/stream/EDProducer.h"
0009
0010  Description: Base class for stream based EDProducers
0011
0012  Usage:
0013     <usage>
0014
0015 */
0016 //
0017 // Original Author:  Chris Jones
0018 //         Created:  Thu, 01 Aug 2013 21:41:42 GMT
0019 //
0020
0021 #include "FWCore/Framework/interface/Frameworkfwd.h"
0022 #include "FWCore/Framework/interface/stream/AbilityToImplementor.h"
0023 #include "FWCore/Framework/interface/stream/CacheContexts.h"
0024 #include "FWCore/Framework/interface/stream/Contexts.h"
0025 #include "FWCore/Framework/interface/stream/AbilityChecker.h"
0026 #include "FWCore/Framework/interface/stream/EDProducerBase.h"
0027 #include "FWCore/Framework/interface/stream/ProducingModuleHelper.h"
0028
0029 namespace edm {
0030   namespace stream {
0031     template <typename... T>
0032     class EDProducer : public AbilityToImplementor<T>::Type...,
0033                        public std::conditional<CheckAbility<edm::module::Abilities::kAccumulator, T...>::kHasIt or
0034                                                    CheckAbility<edm::module::Abilities::kTransformer, T...>::kHasIt,
0035                                                impl::EmptyType,
0036                                                EDProducerBase>::type {
0037     public:
0038       using CacheTypes = CacheContexts<T...>;
0039
0040       using GlobalCache = typename CacheTypes::GlobalCache;
0041       using InputProcessBlockCache = typename CacheTypes::InputProcessBlockCache;
0042       using RunCache = typename CacheTypes::RunCache;
0043       using LuminosityBlockCache = typename CacheTypes::LuminosityBlockCache;
0044       using RunContext = RunContextT<RunCache, GlobalCache>;
0045       using LuminosityBlockContext = LuminosityBlockContextT<LuminosityBlockCache, RunCache, GlobalCache>;
0046       using RunSummaryCache = typename CacheTypes::RunSummaryCache;
0047       using LuminosityBlockSummaryCache = typename CacheTypes::LuminosityBlockSummaryCache;
0048
0049       using HasAbility = AbilityChecker<T...>;
0050
0051       EDProducer() = default;
0052       EDProducer(const EDProducer&) = delete;
0053       const EDProducer& operator=(const EDProducer&) = delete;
0054
0055       bool hasAbilityToProduceInBeginProcessBlocks() const final {
0056         return HasAbilityToProduceInBeginProcessBlocks<T...>::value;
0057       }
0058       bool hasAbilityToProduceInEndProcessBlocks() const final {
0059         return HasAbilityToProduceInEndProcessBlocks<T...>::value;
0060       }
0061
0062       bool hasAbilityToProduceInBeginRuns() const final { return HasAbilityToProduceInBeginRuns<T...>::value; }
0063       bool hasAbilityToProduceInEndRuns() const final { return HasAbilityToProduceInEndRuns<T...>::value; }
0064
0065       bool hasAbilityToProduceInBeginLumis() const final { return HasAbilityToProduceInBeginLumis<T...>::value; }
0066       bool hasAbilityToProduceInEndLumis() const final { return HasAbilityToProduceInEndLumis<T...>::value; }
0067
0068     private:
0069       void doAcquire_(Event const& ev, EventSetup const& es, WaitingTaskHolder&& holder) final {
0070         doAcquireIfNeeded(this, ev, es, std::move(holder));
0071       }
0072     };
0073   }  // namespace stream
0074 }  // namespace edm
0075
0076 #endif