moved number utility method to a new utility class

application/src/main/java/org/thingsboard/server/service/cf/ctx/state/SimpleCalculatedFieldState.java

@@ -28,7 +28,7 @@ import org.thingsboard.server.common.data.cf.configuration.Output;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.service.cf.CalculatedFieldResult;
 import org.thingsboard.server.service.cf.TelemetryCalculatedFieldResult;
-import org.thingsboard.server.utils.NumberUtils;
+import org.thingsboard.common.util.NumberUtils;
 
 import java.util.Map;
 

application/src/main/java/org/thingsboard/server/service/cf/ctx/state/aggregation/function/AvgAggEntry.java

@@ -16,7 +16,7 @@
 package org.thingsboard.server.service.cf.ctx.state.aggregation.function;
 
 import org.thingsboard.server.common.data.cf.configuration.aggregation.AggFunction;
-import org.thingsboard.server.utils.NumberUtils;
+import org.thingsboard.common.util.NumberUtils;
 
 import java.math.BigDecimal;
 import java.math.RoundingMode;

application/src/main/java/org/thingsboard/server/service/cf/ctx/state/aggregation/function/MaxAggEntry.java

@@ -16,7 +16,7 @@
 package org.thingsboard.server.service.cf.ctx.state.aggregation.function;
 
 import org.thingsboard.server.common.data.cf.configuration.aggregation.AggFunction;
-import org.thingsboard.server.utils.NumberUtils;
+import org.thingsboard.common.util.NumberUtils;
 
 public class MaxAggEntry extends BaseAggEntry {
 

application/src/main/java/org/thingsboard/server/service/cf/ctx/state/aggregation/function/MinAggEntry.java

@@ -16,7 +16,7 @@
 package org.thingsboard.server.service.cf.ctx.state.aggregation.function;
 
 import org.thingsboard.server.common.data.cf.configuration.aggregation.AggFunction;
-import org.thingsboard.server.utils.NumberUtils;
+import org.thingsboard.common.util.NumberUtils;
 
 public class MinAggEntry extends BaseAggEntry {
 

application/src/main/java/org/thingsboard/server/service/cf/ctx/state/aggregation/function/SumAggEntry.java

@@ -16,7 +16,7 @@
 package org.thingsboard.server.service.cf.ctx.state.aggregation.function;
 
 import org.thingsboard.server.common.data.cf.configuration.aggregation.AggFunction;
-import org.thingsboard.server.utils.NumberUtils;
+import org.thingsboard.common.util.NumberUtils;
 
 import java.math.BigDecimal;
 

application/src/main/java/org/thingsboard/server/service/cf/ctx/state/aggregation/single/EntityAggregationCalculatedFieldState.java

@@ -40,7 +40,7 @@ import org.thingsboard.server.service.cf.ctx.state.ArgumentEntry;
 import org.thingsboard.server.service.cf.ctx.state.BaseCalculatedFieldState;
 import org.thingsboard.server.service.cf.ctx.state.CalculatedFieldCtx;
 import org.thingsboard.server.service.cf.ctx.state.SingleValueArgumentEntry;
-import org.thingsboard.server.utils.NumberUtils;
+import org.thingsboard.common.util.NumberUtils;
 
 import java.time.Instant;
 import java.time.ZoneId;

application/src/test/java/org/thingsboard/server/utils/NumberUtilsTest.java

@@ -1,32 +0,0 @@
-/**
- * Copyright © 2016-2026 The Thingsboard Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.thingsboard.server.utils;
-
-import org.junit.jupiter.api.Assertions;
-import org.junit.jupiter.api.Test;
-
-public class NumberUtilsTest {
-
-    private final double doubleVal = 1729.1729;
-
-    @Test
-    public void roundResult() {
-        Assertions.assertEquals(1729.1729, NumberUtils.roundResult(doubleVal, null));
-        Assertions.assertEquals(1729, NumberUtils.roundResult(doubleVal, 0));
-        Assertions.assertEquals(1729.17, NumberUtils.roundResult(doubleVal, 2));
-    }
-
-}

common/script/script-api/src/main/java/org/thingsboard/script/api/tbel/TbUtils.java

@@ -26,6 +26,7 @@ import org.mvel2.execution.ExecutionHashMap;
 import org.mvel2.execution.ExecutionLinkedHashSet;
 import org.mvel2.util.MethodStub;
 import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.common.util.NumberUtils;
 import org.thingsboard.common.util.geo.Coordinates;
 import org.thingsboard.common.util.geo.GeoUtil;
 import org.thingsboard.common.util.geo.RangeUnit;
@@ -35,7 +36,6 @@ import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.math.BigDecimal;
 import java.math.BigInteger;
-import java.math.RoundingMode;
 import java.net.URLDecoder;
 import java.net.URLEncoder;
 import java.nio.ByteBuffer;
@@ -258,13 +258,13 @@ public class TbUtils {
                 byte[].class, int.class, int.class)));
         parserConfig.addImport("parseBytesLongToDouble", new MethodStub(TbUtils.class.getMethod("parseBytesLongToDouble",
                 byte[].class, int.class, int.class, boolean.class)));
-        parserConfig.addImport("toFixed", new MethodStub(TbUtils.class.getMethod("toFixed",
+        parserConfig.addImport("toFixed", new MethodStub(NumberUtils.class.getMethod("toFixed",
                 double.class, int.class)));
-        parserConfig.addImport("toFixed", new MethodStub(TbUtils.class.getMethod("toFixed",
+        parserConfig.addImport("toFixed", new MethodStub(NumberUtils.class.getMethod("toFixed",
                 float.class, int.class)));
-        parserConfig.addImport("toInt", new MethodStub(TbUtils.class.getMethod("toInt",
+        parserConfig.addImport("toInt", new MethodStub(NumberUtils.class.getMethod("toInt",
                 double.class)));
-        parserConfig.addImport("isNaN", new MethodStub(TbUtils.class.getMethod("isNaN",
+        parserConfig.addImport("isNaN", new MethodStub(NumberUtils.class.getMethod("isNaN",
                 double.class)));
         parserConfig.addImport("hexToBytes", new MethodStub(TbUtils.class.getMethod("hexToBytes",
                 ExecutionContext.class, String.class)));
@@ -1174,22 +1174,6 @@ public class TbUtils {
         return new String(hexChars, StandardCharsets.UTF_8);
     }
 
-    public static double toFixed(double value, int precision) {
-        return BigDecimal.valueOf(value).setScale(precision, RoundingMode.HALF_UP).doubleValue();
-    }
-
-    public static float toFixed(float value, int precision) {
-        return BigDecimal.valueOf(value).setScale(precision, RoundingMode.HALF_UP).floatValue();
-    }
-
-    public static int toInt(double value) {
-        return BigDecimal.valueOf(value).setScale(0, RoundingMode.HALF_UP).intValue();
-    }
-
-    public static boolean isNaN(double value) {
-        return Double.isNaN(value);
-    }
-
     public static ExecutionHashMap<String, Object> toFlatMap(ExecutionContext ctx, Map<String, Object> json) {
         return toFlatMap(ctx, json, new ArrayList<>(), true);
     }
@@ -1208,7 +1192,6 @@ public class TbUtils {
         return map;
     }
 
-
     public static String encodeURI(String uri) {
         String encoded = URLEncoder.encode(uri, StandardCharsets.UTF_8);
         for (var entry : mdnEncodingReplacements.entrySet()) {

common/script/script-api/src/test/java/org/thingsboard/script/api/tbel/TbUtilsTest.java

@@ -279,13 +279,6 @@ public class TbUtilsTest {
         Assertions.assertEquals(0, Float.compare(floatVal, TbUtils.parseLittleEndianHexToFloat(floatValHexRev)));
     }
 
-    @Test
-    public void toFixedFloat() {
-        float actualF = TbUtils.toFixed(floatVal, 3);
-        Assertions.assertEquals(1, Float.compare(floatVal, actualF));
-        Assertions.assertEquals(0, Float.compare(29.298f, actualF));
-    }
-
     @Test
     public void parseBytesToFloat() {
         byte[] floatValByte = {0x0A};
@@ -461,13 +454,6 @@ public class TbUtilsTest {
         Assertions.assertEquals(0, Double.compare(doubleVal, TbUtils.parseLittleEndianHexToDouble(longValHexRev)));
     }
 
-    @Test
-    public void toFixedDouble() {
-        double actualD = TbUtils.toFixed(doubleVal, 3);
-        Assertions.assertEquals(-1, Double.compare(doubleVal, actualD));
-        Assertions.assertEquals(0, Double.compare(1729.173, actualD));
-    }
-
     @Test
     public void parseBytesToDouble() {
         byte[] doubleValByte = {0x0A};
@@ -1147,19 +1133,6 @@ public class TbUtilsTest {
         Assertions.assertEquals(expected, actual);
     }
 
-    @Test
-    public void toInt() {
-        Assertions.assertEquals(1729, TbUtils.toInt(doubleVal));
-        Assertions.assertEquals(13, TbUtils.toInt(12.8));
-        Assertions.assertEquals(28, TbUtils.toInt(28.0));
-    }
-
-    @Test
-    public void isNaN() {
-        assertFalse(TbUtils.isNaN(doubleVal));
-        assertTrue(TbUtils.isNaN(Double.NaN));
-    }
-
     @Test
     public void isInsidePolygon() {
         // outside the polygon

application/src/main/java/org/thingsboard/server/utils/NumberUtils.java → common/util/src/main/java/org/thingsboard/common/util/NumberUtils.java

@@ -13,13 +13,29 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.utils;
+package org.thingsboard.common.util;
 
-import static org.thingsboard.script.api.tbel.TbUtils.toFixed;
-import static org.thingsboard.script.api.tbel.TbUtils.toInt;
+import java.math.BigDecimal;
+import java.math.RoundingMode;
 
 public class NumberUtils {
 
+    public static boolean isNaN(double value) {
+        return Double.isNaN(value);
+    }
+
+    public static double toFixed(double value, int precision) {
+        return BigDecimal.valueOf(value).setScale(precision, RoundingMode.HALF_UP).doubleValue();
+    }
+
+    public static float toFixed(float value, int precision) {
+        return BigDecimal.valueOf(value).setScale(precision, RoundingMode.HALF_UP).floatValue();
+    }
+
+    public static int toInt(double value) {
+        return BigDecimal.valueOf(value).setScale(0, RoundingMode.HALF_UP).intValue();
+    }
+
     public static Object roundResult(double value, Integer precision) {
         if (precision == null) {
             return value;

common/util/src/test/java/org/thingsboard/common/util/NumberUtilsTest.java

@@ -0,0 +1,61 @@
+/**
+ * Copyright © 2016-2026 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.common.util;
+
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class NumberUtilsTest {
+
+    private final Float floatVal = 29.29824f;
+    private final double doubleVal = 1729.1729;
+
+    @Test
+    public void isNaN() {
+        assertThat(NumberUtils.isNaN(doubleVal)).isFalse();
+        assertThat(NumberUtils.isNaN(Double.NaN)).isTrue();
+    }
+
+    @Test
+    public void toFixedFloat() {
+        float actualF = NumberUtils.toFixed(floatVal, 3);
+        assertThat(Float.compare(floatVal, actualF)).isEqualTo(1);
+        assertThat(Float.compare(29.298f, actualF)).isEqualTo(0);
+    }
+
+    @Test
+    public void toFixedDouble() {
+        double actualD = NumberUtils.toFixed(doubleVal, 3);
+        assertThat(Double.compare(doubleVal, actualD)).isEqualTo(-1);
+        assertThat(Double.compare(1729.173, actualD)).isEqualTo(0);
+    }
+
+    @Test
+    public void toInt() {
+        assertThat(NumberUtils.toInt(doubleVal)).isEqualTo(1729);
+        assertThat(NumberUtils.toInt(12.8)).isEqualTo(13);
+        assertThat(NumberUtils.toInt(28.0)).isEqualTo(28);
+    }
+
+    @Test
+    public void roundResult() {
+        assertThat(NumberUtils.roundResult(doubleVal, null)).isEqualTo(1729.1729);
+        assertThat(NumberUtils.roundResult(doubleVal, 0)).isEqualTo(1729);
+        assertThat(NumberUtils.roundResult(doubleVal, 2)).isEqualTo(1729.17);
+    }
+
+}