Adds JNI Simulator interface and updated Sim API (#1002)

The simulator was generated by https://github.com/ThadHouse/SimulatorGenerator

hal/src/main/native/include/Simulation/RelaySim.h

@@ -0,0 +1,83 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2018 FIRST. All Rights Reserved.                             */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#pragma once
+
+#ifndef __FRC_ROBORIO__
+
+#include <memory>
+#include <utility>
+
+#include "CallbackStore.h"
+#include "MockData/RelayData.h"
+
+namespace frc {
+namespace sim {
+class RelaySim {
+ public:
+  explicit RelaySim(int index) { m_index = index; }
+
+  std::unique_ptr<CallbackStore> RegisterInitializedForwardCallback(
+      NotifyCallback callback, bool initialNotify) {
+    auto store = std::make_unique<CallbackStore>(
+        m_index, -1, callback, &HALSIM_CancelRelayInitializedForwardCallback);
+    store->SetUid(HALSIM_RegisterRelayInitializedForwardCallback(
+        m_index, &CallbackStoreThunk, store.get(), initialNotify));
+    return std::move(store);
+  }
+  bool GetInitializedForward() {
+    return HALSIM_GetRelayInitializedForward(m_index);
+  }
+  void SetInitializedForward(bool initializedForward) {
+    HALSIM_SetRelayInitializedForward(m_index, initializedForward);
+  }
+
+  std::unique_ptr<CallbackStore> RegisterInitializedReverseCallback(
+      NotifyCallback callback, bool initialNotify) {
+    auto store = std::make_unique<CallbackStore>(
+        m_index, -1, callback, &HALSIM_CancelRelayInitializedReverseCallback);
+    store->SetUid(HALSIM_RegisterRelayInitializedReverseCallback(
+        m_index, &CallbackStoreThunk, store.get(), initialNotify));
+    return std::move(store);
+  }
+  bool GetInitializedReverse() {
+    return HALSIM_GetRelayInitializedReverse(m_index);
+  }
+  void SetInitializedReverse(bool initializedReverse) {
+    HALSIM_SetRelayInitializedReverse(m_index, initializedReverse);
+  }
+
+  std::unique_ptr<CallbackStore> RegisterForwardCallback(
+      NotifyCallback callback, bool initialNotify) {
+    auto store = std::make_unique<CallbackStore>(
+        m_index, -1, callback, &HALSIM_CancelRelayForwardCallback);
+    store->SetUid(HALSIM_RegisterRelayForwardCallback(
+        m_index, &CallbackStoreThunk, store.get(), initialNotify));
+    return std::move(store);
+  }
+  bool GetForward() { return HALSIM_GetRelayForward(m_index); }
+  void SetForward(bool forward) { HALSIM_SetRelayForward(m_index, forward); }
+
+  std::unique_ptr<CallbackStore> RegisterReverseCallback(
+      NotifyCallback callback, bool initialNotify) {
+    auto store = std::make_unique<CallbackStore>(
+        m_index, -1, callback, &HALSIM_CancelRelayReverseCallback);
+    store->SetUid(HALSIM_RegisterRelayReverseCallback(
+        m_index, &CallbackStoreThunk, store.get(), initialNotify));
+    return std::move(store);
+  }
+  bool GetReverse() { return HALSIM_GetRelayReverse(m_index); }
+  void SetReverse(bool reverse) { HALSIM_SetRelayReverse(m_index, reverse); }
+
+  void ResetData() { HALSIM_ResetRelayData(m_index); }
+
+ private:
+  int m_index;
+};
+}  // namespace sim
+}  // namespace frc
+#endif  // __FRC_ROBORIO__