Fixed a small problem with getForeCast (#328)

* Fixed a small problem with carbon forecasts that would cause problems when the simulation would leave the coverage of the carbon Trace

* Fixed a small problem with carbon forecasts that would cause problems when the simulation would leave the coverage of the carbon Trace

* Fixed a bug

* spotless applied

1 files changed, 5 insertions, 1 deletions

diff --git a/opendc-simulator/opendc-simulator-compute/src/main/java/org/opendc/simulator/compute/power/CarbonModel.java b/opendc-simulator/opendc-simulator-compute/src/main/java/org/opendc/simulator/compute/power/CarbonModel.java
index 3cf36ece..e1c99071 100644
--- a/opendc-simulator/opendc-simulator-compute/src/main/java/org/opendc/simulator/compute/power/CarbonModel.java
+++ b/opendc-simulator/opendc-simulator-compute/src/main/java/org/opendc/simulator/compute/power/CarbonModel.java
@@ -134,7 +134,11 @@ public class CarbonModel extends FlowNode {
     }
 
     public double[] getForecast(int forecastSize) {
-        return this.fragments.subList(this.fragment_index + 1, this.fragment_index + forecastSize).stream()
+        return this.fragments
+                .subList(
+                        Math.min(this.fragment_index + 1, this.fragments.size() - 1),
+                        Math.min(this.fragment_index + forecastSize, this.fragments.size()))
+                .stream()
                 .mapToDouble(CarbonFragment::getCarbonIntensity)
                 .toArray();
     }