Merge branch 'sevda-decreports-filter' into 'master'

add a new HltDecReports filter

See merge request !4454

Hlt/HltDAQ/CMakeLists.txt

@@ -37,6 +37,7 @@ gaudi_add_module(HltDAQ
         src/component/RoutingBitsWriter.cpp
         src/component/RoutingBitsCombiner.cpp
         src/component/SelectViewForHltSourceID.cpp
+        src/component/HltDecReportsFilter.cpp 
     LINK
         AIDA::aida
         Boost::headers

Hlt/HltDAQ/src/component/HltDecReportsFilter.cpp

+/*****************************************************************************\
+* (c) Copyright 2024 CERN for the benefit of the LHCb Collaboration           *
+*                                                                             *
+* This software is distributed under the terms of the GNU General Public      *
+* Licence version 3 (GPL Version 3), copied verbatim in the file "COPYING".   *
+*                                                                             *
+* In applying this licence, CERN does not waive the privileges and immunities *
+* granted to it by virtue of its status as an Intergovernmental Organization  *
+* or submit itself to any jurisdiction.                                       *
+\*****************************************************************************/
+#include "Event/HltDecReports.h"
+#include "LHCbAlgs/FilterPredicate.h"
+
+#include "Gaudi/Accumulators.h"
+#include "GaudiKernel/GaudiException.h"
+
+#include <algorithm>
+#include <string>
+#include <vector>
+
+#include <numeric>
+/** @class HltDecReportsFilter
+ *
+ *  Checks content of DecReports for list of requested line
+ *  Filter fails if none of the lines have positive decision
+ */
+class HltDecReportsFilter final : public LHCb::Algorithm::FilterPredicate<bool( const LHCb::HltDecReports& )> {
+
+  Gaudi::Property<std::vector<std::string>> m_lines{this, "Lines", {}};
+
+public:
+  /// Standard constructor
+  HltDecReportsFilter( const std::string& name, ISvcLocator* pSvcLocator )
+      : FilterPredicate{name, pSvcLocator, KeyValue{"DecReports", ""}} {}
+
+  bool operator()( const LHCb::HltDecReports& decReports ) const override {
+
+    auto any_fired = [&]( std::vector<std::string> const& lines ) {
+      return std::any_of( lines.begin(), lines.end(), [&]( const auto& line ) -> bool {
+        if ( auto i = decReports.find( line ); i != decReports.end() ) {
+          m_cutEff += i->second.decision();
+          return i->second.decision();
+        }
+        throw GaudiException( "requested line not present", __PRETTY_FUNCTION__, StatusCode::FAILURE );
+      } );
+    };
+
+    return any_fired( m_lines );
+  }
+
+  // Counter for recording cut retention statistics
+  mutable Gaudi::Accumulators::BinomialCounter<> m_cutEff{this, "Cut selection efficiency"};
+};
+
+//=============================================================================
+// Declaration of the Algorithm Factory
+DECLARE_COMPONENT( HltDecReportsFilter )
+//=============================================================================