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new 48845109b7 [INLONG-10813][SDK] Transform support cos function (#10814)
48845109b7 is described below
commit 48845109b779f4bcfd8e3e2acf0ce5804c75447b
Author: Xincheng Huang <60057611+ying-...@users.noreply.github.com>
AuthorDate: Mon Aug 19 20:56:30 2024 +0800
[INLONG-10813][SDK] Transform support cos function (#10814)
Co-authored-by: Charles Zhang <dockerzh...@apache.org>
Co-authored-by: yfsn666 <61183968+yfsn...@users.noreply.github.com>
---
.../transform/process/function/CosFunction.java | 57 ++++++++++++++++++++++
.../transform/process/operator/OperatorTools.java | 2 +
.../TestTransformArithmeticFunctionsProcessor.java | 13 +++++
3 files changed, 72 insertions(+)
diff --git
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/CosFunction.java
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/CosFunction.java
new file mode 100644
index 0000000000..bbe9c9da96
--- /dev/null
+++
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/CosFunction.java
@@ -0,0 +1,57 @@
+/*
+ * 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;
+
+import org.apache.inlong.sdk.transform.decode.SourceData;
+import org.apache.inlong.sdk.transform.process.Context;
+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;
+
+/**
+ * CosFunction
+ * description: cos(numeric)--returns the cosine of numeric
+ */
+public class CosFunction implements ValueParser {
+
+ private ValueParser numberParser;
+
+ /**
+ * Constructor
+ * @param expr
+ */
+ public CosFunction(Function expr) {
+ numberParser =
OperatorTools.buildParser(expr.getParameters().getExpressions().get(0));
+ }
+
+ /**
+ * parse
+ * @param sourceData
+ * @param rowIndex
+ * @return
+ */
+ @Override
+ public Object parse(SourceData sourceData, int rowIndex, Context context) {
+ Object numberObj = numberParser.parse(sourceData, rowIndex, context);
+ BigDecimal numberValue = OperatorTools.parseBigDecimal(numberObj);
+ return Math.cos(numberValue.doubleValue());
+ }
+}
diff --git
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/operator/OperatorTools.java
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/operator/OperatorTools.java
index 200c5b9d17..4f29fba315 100644
---
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/operator/OperatorTools.java
+++
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/operator/OperatorTools.java
@@ -20,6 +20,7 @@ package org.apache.inlong.sdk.transform.process.operator;
import org.apache.inlong.sdk.transform.process.function.AbsFunction;
import org.apache.inlong.sdk.transform.process.function.CeilFunction;
import org.apache.inlong.sdk.transform.process.function.ConcatFunction;
+import org.apache.inlong.sdk.transform.process.function.CosFunction;
import org.apache.inlong.sdk.transform.process.function.DateExtractFunction;
import
org.apache.inlong.sdk.transform.process.function.DateExtractFunction.DateExtractFunctionType;
import org.apache.inlong.sdk.transform.process.function.DateFormatFunction;
@@ -113,6 +114,7 @@ public class OperatorTools {
functionMap.put("floor", FloorFunction::new);
functionMap.put("sin", SinFunction::new);
functionMap.put("sinh", SinhFunction::new);
+ functionMap.put("cos", CosFunction::new);
functionMap.put("year", func -> new
DateExtractFunction(DateExtractFunctionType.YEAR, func));
functionMap.put("quarter", func -> new
DateExtractFunction(DateExtractFunctionType.QUARTER, func));
functionMap.put("month", func -> new
DateExtractFunction(DateExtractFunctionType.MONTH, func));
diff --git
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformArithmeticFunctionsProcessor.java
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformArithmeticFunctionsProcessor.java
index b8431460e5..899528d843 100644
---
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformArithmeticFunctionsProcessor.java
+++
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformArithmeticFunctionsProcessor.java
@@ -281,4 +281,17 @@ public class TestTransformArithmeticFunctionsProcessor {
Assert.assertEquals(1, output3.size());
Assert.assertEquals(output3.get(0), "result=3.626860407847019");
}
+
+ @Test
+ public void testCosFunction() throws Exception {
+ String transformSql = "select cos(numeric1) from source";
+ TransformConfig config = new TransformConfig(transformSql);
+ TransformProcessor<String, String> processor = TransformProcessor
+ .create(config,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+ // case: cos(0)
+ List<String> output1 = processor.transform("0|4|6|8", new HashMap<>());
+ Assert.assertEquals(1, output1.size());
+ Assert.assertEquals(output1.get(0), "result=1.0");
+ }
}
