Merge pull request #3027 from christophsturm/generics-fix2

fix generics warning

monitor/src/main/java/bisq/monitor/metric/P2PNetworkLoad.java

@@ -1,18 +1,18 @@
 /*
  * This file is part of Bisq.
  *
- * bisq is free software: you can redistribute it and/or modify it
+ * Bisq is free software: you can redistribute it and/or modify it
  * under the terms of the GNU Affero General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or (at
  * your option) any later version.
  *
- * bisq is distributed in the hope that it will be useful, but WITHOUT
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
  * License for more details.
  *
  * You should have received a copy of the GNU Affero General Public License
- * along with bisq. If not, see <http://www.gnu.org/licenses/>.
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package bisq.monitor.metric;
@@ -93,7 +93,7 @@ public class P2PNetworkLoad extends Metric implements MessageListener, SetupList
      * History implementation using a {@link LinkedHashMap} and its
      * {@link LinkedHashMap#removeEldestEntry(Map.Entry)} option.
      */
-    private class FixedSizeHistoryTracker extends LinkedHashMap {
+    private class FixedSizeHistoryTracker<K, V> extends LinkedHashMap<K, V> {
         final int historySize;
 
         FixedSizeHistoryTracker(int historySize) {
@@ -197,7 +197,7 @@ public P2PNetworkLoad(Reporter reporter) {
     public void configure(Properties properties) {
         super.configure(properties);
 
-        history = Collections.synchronizedMap(new FixedSizeHistoryTracker(Integer.parseInt(configuration.getProperty(HISTORY_SIZE, "200"))));
+        history = Collections.synchronizedMap(new FixedSizeHistoryTracker<>(Integer.parseInt(configuration.getProperty(HISTORY_SIZE, "200"))));
 
         Capabilities.app.addAll(Capability.DAO_FULL_NODE);
     }