BauSystem_Main/src/de/steamwar/bausystem/features/tracer2/Trace.java

@@ -20,6 +20,7 @@
 package de.steamwar.bausystem.features.tracer2;
 
 import de.steamwar.bausystem.region.Region;
+import lombok.Getter;
 
 import java.util.HashSet;
 import java.util.Set;
@@ -28,6 +29,7 @@ public class Trace {
     /**
      * Region this trace has been recorded in
      */
+    @Getter
     private final Region region;
 
     /**

BauSystem_Main/src/de/steamwar/bausystem/features/tracer2/TraceManager.java

@@ -19,11 +19,20 @@
 
 package de.steamwar.bausystem.features.tracer2;
 
-import java.util.HashMap;
+import de.steamwar.bausystem.region.Region;
-import java.util.Map;
+
+import java.util.*;
+import java.util.stream.Collectors;
 
 public class TraceManager {
+    /**
+     * Map of all current traces
+     */
     private final Map<Integer, Trace> traces = new HashMap<>();
+
+    /**
+     * Utility variable to keep track of the next open trace id
+     */
     private int currOpenId = 0;
 
     /** Adds a new trace to the global record
@@ -31,7 +40,7 @@ public class TraceManager {
      * @param trace Trace to be added
      * @return id of the newly added trace
      */
-    public int add(Trace trace){
+    protected int add(Trace trace){
         int id = currOpenId;
         traces.put(id, trace);
         currOpenId++;
@@ -53,4 +62,33 @@ public class TraceManager {
         traces.clear();
         currOpenId = 1;
     }
+
+    /** Methode to get all traces in a certain region
+     *
+     * @param region Region to look for traces in
+     * @return All traces recorded in the given Region
+     */
+    public Set<Trace> get(Region region){
+        return traces.values()
+                .stream()
+                .filter((Trace trace) -> trace.getRegion() == region)
+                .collect(Collectors.toSet());
+    }
+
+    /** Methode to get the trace with specific id
+     *
+     * @param id id of the trace
+     * @return the trace with given id or null if no trace with id is found
+     */
+    public Trace get(int id){
+        return traces.getOrDefault(id, null);
+    }
+
+    /** Methode to get all traces
+     *
+     * @return fresh set of all current traces
+     */
+    public Set<Trace> getAll(){
+        return new HashSet<>(traces.values());
+    }
 }