Remove unused AddExposures method.

PiperOrigin-RevId: 340040126

Author: syshafi

agent_based_epidemic_sim/applications/contact_tracing/risk_score.cc

@@ -54,7 +54,6 @@ class TracingRiskScore : public RiskScore {
       infection_onset_time_ = std::min(infection_onset_time_, transition.time);
     }
   }
-  void AddExposures(absl::Span<const Exposure* const> exposures) override {}
   void AddExposureNotification(const Exposure& exposure,
                                const ContactReport& notification) override {
     // We don't take action on negative tests.

agent_based_epidemic_sim/applications/home_work/risk_score.cc

@@ -41,7 +41,6 @@ class TogglingRiskScore : public RiskScore {
       : location_type_(std::move(location_type)), toggles_(toggles) {}
 
   void AddHealthStateTransistion(HealthTransition transition) override {}
-  void AddExposures(absl::Span<const Exposure* const> exposures) override {}
   void AddExposureNotification(const Exposure& exposure,
                                const ContactReport& notification) override {}
 

agent_based_epidemic_sim/applications/risk_learning/risk_score.cc

@@ -64,7 +64,6 @@ class LearningRiskScore : public RiskScore {
       infection_onset_time_ = std::min(infection_onset_time_, transition.time);
     }
   }
-  void AddExposures(absl::Span<const Exposure* const> exposures) override {}
   void AddExposureNotification(const Exposure& exposure,
                                const ContactReport& notification) override {
     // Actuate based on app user flag.
@@ -176,11 +175,6 @@ class AppEnabledRiskScore : public RiskScore {
   void AddHealthStateTransistion(HealthTransition transition) override {
     risk_score_->AddHealthStateTransistion(transition);
   }
-  void AddExposures(absl::Span<const Exposure* const> exposures) override {
-    if (is_app_enabled_) {
-      risk_score_->AddExposures(exposures);
-    }
-  }
   void AddExposureNotification(const Exposure& exposure,
                                const ContactReport& notification) override {
     if (is_app_enabled_) {

agent_based_epidemic_sim/core/risk_score.cc

@@ -24,7 +24,6 @@ namespace {
 class NullRiskScore : public RiskScore {
  public:
   void AddHealthStateTransistion(HealthTransition transition) override {}
-  void AddExposures(absl::Span<const Exposure* const> exposures) override {}
   void AddExposureNotification(const Exposure& contact,
                                const ContactReport& notification) override {}
 

agent_based_epidemic_sim/core/risk_score.h

@@ -28,8 +28,6 @@ class RiskScore {
  public:
   // Informs the RiskScore of a HealthTransition.
   virtual void AddHealthStateTransistion(HealthTransition transition) = 0;
-  // Informs the RiskScore of new exposures.
-  virtual void AddExposures(absl::Span<const Exposure* const> exposures) = 0;
   // Informs the RiskScore of received exposure notifications.
   virtual void AddExposureNotification(const Exposure& exposure,
                                        const ContactReport& notification) = 0;

agent_based_epidemic_sim/core/seir_agent.cc

@@ -257,7 +257,6 @@ void SEIRAgent::ProcessInfectionOutcomes(
   for (const InfectionOutcome& infection_outcome : infection_outcomes) {
     exposures.push_back(&infection_outcome.exposure);
   }
-  risk_score_->AddExposures(exposures);
 
   if (next_health_transition_.health_state == HealthState::SUSCEPTIBLE &&
       !exposures.empty()) {

agent_based_epidemic_sim/util/test_util.h

@@ -50,8 +50,6 @@ class MockRiskScore : public RiskScore {
  public:
   MOCK_METHOD(void, AddHealthStateTransistion, (HealthTransition transition),
               (override));
-  MOCK_METHOD(void, AddExposures, (absl::Span<const Exposure* const> exposures),
-              (override));
   MOCK_METHOD(void, AddExposureNotification,
               (const Exposure& contact, const ContactReport& notification),
               (override));