From ba6eafe95d888a2e6c3acd8957fcae224b628e79 Mon Sep 17 00:00:00 2001
From: Tom Henderson <tomh@tomh.org>
Date: Fri, 12 Jan 2024 14:06:03 -0800
Subject: [PATCH] spectrum: Add getters for propagation loss models

---
 .../model/phased-array-spectrum-propagation-loss-model.cc  | 6 ++++++
 .../model/phased-array-spectrum-propagation-loss-model.h   | 7 +++++++
 src/spectrum/model/spectrum-propagation-loss-model.cc      | 6 ++++++
 src/spectrum/model/spectrum-propagation-loss-model.h       | 7 +++++++
 4 files changed, 26 insertions(+)

diff --git a/src/spectrum/model/phased-array-spectrum-propagation-loss-model.cc b/src/spectrum/model/phased-array-spectrum-propagation-loss-model.cc
index c0e874c2f..1fc88ceb4 100644
--- a/src/spectrum/model/phased-array-spectrum-propagation-loss-model.cc
+++ b/src/spectrum/model/phased-array-spectrum-propagation-loss-model.cc
@@ -60,6 +60,12 @@ PhasedArraySpectrumPropagationLossModel::SetNext(Ptr<PhasedArraySpectrumPropagat
     m_next = next;
 }
 
+Ptr<PhasedArraySpectrumPropagationLossModel>
+PhasedArraySpectrumPropagationLossModel::GetNext() const
+{
+    return m_next;
+}
+
 Ptr<SpectrumSignalParameters>
 PhasedArraySpectrumPropagationLossModel::CalcRxPowerSpectralDensity(
     Ptr<const SpectrumSignalParameters> params,
diff --git a/src/spectrum/model/phased-array-spectrum-propagation-loss-model.h b/src/spectrum/model/phased-array-spectrum-propagation-loss-model.h
index 732734668..3892a212c 100644
--- a/src/spectrum/model/phased-array-spectrum-propagation-loss-model.h
+++ b/src/spectrum/model/phased-array-spectrum-propagation-loss-model.h
@@ -61,6 +61,13 @@ class PhasedArraySpectrumPropagationLossModel : public Object
      */
     void SetNext(Ptr<PhasedArraySpectrumPropagationLossModel> next);
 
+    /**
+     * Return the pointer to the next PhasedArraySpectrumPropagationLossModel, if any.
+     *
+     * @return Pointer to the next model, if any
+     */
+    Ptr<PhasedArraySpectrumPropagationLossModel> GetNext() const;
+
     /**
      * This method is to be called to calculate
      *
diff --git a/src/spectrum/model/spectrum-propagation-loss-model.cc b/src/spectrum/model/spectrum-propagation-loss-model.cc
index 62f90002c..3615596e2 100644
--- a/src/spectrum/model/spectrum-propagation-loss-model.cc
+++ b/src/spectrum/model/spectrum-propagation-loss-model.cc
@@ -59,6 +59,12 @@ SpectrumPropagationLossModel::SetNext(Ptr<SpectrumPropagationLossModel> next)
     m_next = next;
 }
 
+Ptr<SpectrumPropagationLossModel>
+SpectrumPropagationLossModel::GetNext() const
+{
+    return m_next;
+}
+
 Ptr<SpectrumValue>
 SpectrumPropagationLossModel::CalcRxPowerSpectralDensity(Ptr<const SpectrumSignalParameters> params,
                                                          Ptr<const MobilityModel> a,
diff --git a/src/spectrum/model/spectrum-propagation-loss-model.h b/src/spectrum/model/spectrum-propagation-loss-model.h
index 47f7594b3..6ee3114da 100644
--- a/src/spectrum/model/spectrum-propagation-loss-model.h
+++ b/src/spectrum/model/spectrum-propagation-loss-model.h
@@ -59,6 +59,13 @@ class SpectrumPropagationLossModel : public Object
      */
     void SetNext(Ptr<SpectrumPropagationLossModel> next);
 
+    /**
+     * Return the pointer to the next SpectrumPropagationLossModel, if any.
+     *
+     * @return Pointer to the next model, if any.
+     */
+    Ptr<SpectrumPropagationLossModel> GetNext() const;
+
     /**
      * This method is to be called to calculate
      *