core: envelope-sim: migrate pipelines to kt

Signed-off-by: Eloi Charpentier <[email protected]>

core/envelope-sim/src/main/kotlin/fr/sncf/osrd/envelope_sim/EnvelopeSimContext.kt

@@ -0,0 +1,22 @@
+package fr.sncf.osrd.envelope_sim
+
+import com.google.common.collect.RangeMap
+
+class EnvelopeSimContext(
+    @JvmField val rollingStock: PhysicsRollingStock,
+    @JvmField val path: PhysicsPath,
+    @JvmField val timeStep: Double,
+    @JvmField
+    val tractiveEffortCurveMap: RangeMap<Double, Array<PhysicsRollingStock.TractiveEffortPoint>>
+) {
+    /** Creates a context suitable to run simulations on envelopes */
+    init {
+        checkNotNull(tractiveEffortCurveMap)
+    }
+
+    fun updateCurves(
+        tractiveEffortCurveMap: RangeMap<Double, Array<PhysicsRollingStock.TractiveEffortPoint>>
+    ): EnvelopeSimContext {
+        return EnvelopeSimContext(rollingStock, path, timeStep, tractiveEffortCurveMap)
+    }
+}