[INLONG-11042][SDK] Transform refactor function package

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/AbsFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/AbsFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/AcosFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/AcosFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/AsinFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/AsinFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/Atan2Function.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/Atan2Function.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/AtanFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/AtanFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/BinFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/BinFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/CeilFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/CeilFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/ChrFunction.java

@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.inlong.sdk.transform.process.function.arithmetic;
+
+import org.apache.inlong.sdk.transform.decode.SourceData;
+import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
+import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
+import org.apache.inlong.sdk.transform.process.parser.ValueParser;
+
+import net.sf.jsqlparser.expression.Function;
+
+import java.math.BigDecimal;
+
+/**
+ * ChrFunction
+ * description: chr(numeric)--returns the ASCII character having the binary equivalent to integer
+**/
+@TransformFunction(names = {"chr"})
+public class ChrFunction implements ValueParser {
+
+    private ValueParser numberParser;
+    private final int chrSum = 256;
+
+    public ChrFunction(Function expr) {
+        numberParser = OperatorTools.buildParser(expr.getParameters().getExpressions().get(0));
+    }
+
+    @Override
+    public Object parse(SourceData sourceData, int rowIndex, Context context) {
+        if (numberParser == null) {
+            return null;
+        }
+        Object numberObj = numberParser.parse(sourceData, rowIndex, context);
+        if (numberObj == null) {
+            return null;
+        }
+        BigDecimal numberValue = OperatorTools.parseBigDecimal(numberObj);
+
+        BigDecimal temp = numberValue.remainder(new BigDecimal(chrSum));
+        BigDecimal res = (temp.compareTo(BigDecimal.ZERO) >= 0) ? temp : temp.add(new BigDecimal(chrSum));
+
+        return String.valueOf((char) res.intValue());
+    }
+}

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/CosFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/CosFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/CoshFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/CoshFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/CotFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/CotFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/ExpFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/ExpFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/FloorFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/FloorFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/HexFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/HexFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/LnFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/LnFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/Log10Function.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/Log10Function.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/Log2Function.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/Log2Function.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/LogFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/LogFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/Md5Function.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/Md5Function.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/ModuloFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/ModuloFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/PiFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/PiFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 
 import net.sf.jsqlparser.expression.Function;

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/PowerFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/PowerFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/RadiansFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/RadiansFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/RandFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/RandFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/RoundFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/RoundFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/Sha2Function.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/Sha2Function.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
 

inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/ShaFunction.java → inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/ShaFunction.java

@@ -15,10 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.inlong.sdk.transform.process.function;
+package org.apache.inlong.sdk.transform.process.function.arithmetic;
 
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
+import org.apache.inlong.sdk.transform.process.function.TransformFunction;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;