implemented compare for BoolDataPoint

common/edqs/src/main/java/org/thingsboard/server/edqs/data/dp/AbstractDataPoint.java

@@ -17,6 +17,7 @@ package org.thingsboard.server.edqs.data.dp;
 
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
+import org.apache.commons.lang3.StringUtils;
 import org.thingsboard.server.common.data.edqs.DataPoint;
 
 @RequiredArgsConstructor
@@ -56,19 +57,7 @@ public abstract class AbstractDataPoint implements DataPoint {
 
     @Override
     public int compareTo(DataPoint dataPoint) {
-        String str1 = this.valueToString();
-        String str2 = dataPoint.valueToString();
-
-        if (str1 == null && str2 == null) {
-            return 0;
-        }
-        if (str1 == null) {
-            return -1;
-        }
-        if (str2 == null) {
-            return 1;
-        }
-        return str1.compareToIgnoreCase(str2);
+        return StringUtils.compareIgnoreCase(valueToString(), dataPoint.valueToString());
     }
 
 }

common/edqs/src/main/java/org/thingsboard/server/edqs/data/dp/BoolDataPoint.java

@@ -16,6 +16,7 @@
 package org.thingsboard.server.edqs.data.dp;
 
 import lombok.Getter;
+import org.thingsboard.server.common.data.edqs.DataPoint;
 import org.thingsboard.server.common.data.kv.DataType;
 
 public class BoolDataPoint extends AbstractDataPoint {
@@ -43,4 +44,8 @@ public class BoolDataPoint extends AbstractDataPoint {
         return Boolean.toString(value);
     }
 
+    @Override
+    public int compareTo(DataPoint dataPoint) {
+        return Boolean.compare(value, dataPoint.getBool());
+    }
 }