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new ced348d9fc [INLONG-10886][SDK] Transform support ACOS function (#10888)
ced348d9fc is described below
commit ced348d9fcadf9d4021d3e61677cae947b526baf
Author: Xincheng Huang <[email protected]>
AuthorDate: Tue Aug 27 15:39:17 2024 +0800
[INLONG-10886][SDK] Transform support ACOS function (#10888)
---
.../transform/process/function/AcosFunction.java | 57 ++++++++++++++++++++++
.../transform/process/operator/OperatorTools.java | 2 +
.../TestTransformArithmeticFunctionsProcessor.java | 21 ++++++++
3 files changed, 80 insertions(+)
diff --git
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/AcosFunction.java
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/AcosFunction.java
new file mode 100644
index 0000000000..332716e57b
--- /dev/null
+++
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/AcosFunction.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;
+
+/**
+ * AcosFunction
+ * description: acos(numeric)--returns the arc cosine of numeric
+ */
+public class AcosFunction implements ValueParser {
+
+ private ValueParser numberParser;
+
+ /**
+ * Constructor
+ * @param expr
+ */
+ public AcosFunction(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.acos(numberValue.doubleValue());
+ }
+}
\ No newline at end of file
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 f7f023e748..1cb1b8589e 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
@@ -18,6 +18,7 @@
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.AcosFunction;
import org.apache.inlong.sdk.transform.process.function.BinFunction;
import org.apache.inlong.sdk.transform.process.function.CeilFunction;
import org.apache.inlong.sdk.transform.process.function.ConcatFunction;
@@ -134,6 +135,7 @@ public class OperatorTools {
functionMap.put("sin", SinFunction::new);
functionMap.put("sinh", SinhFunction::new);
functionMap.put("cos", CosFunction::new);
+ functionMap.put("acos", AcosFunction::new);
functionMap.put("tan", TanFunction::new);
functionMap.put("bin", BinFunction::new);
functionMap.put("year", func -> new
DateExtractFunction(DateExtractFunctionType.YEAR, 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 f6596cda1a..99f45bc693 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
@@ -473,6 +473,27 @@ public class TestTransformArithmeticFunctionsProcessor {
Assert.assertEquals(output1.get(0), "result=1.0");
}
+ @Test
+ public void testAcosFunction() throws Exception {
+ String transformSql = "select acos(numeric1) from source";
+ TransformConfig config = new TransformConfig(transformSql);
+ TransformProcessor<String, String> processor = TransformProcessor
+ .create(config,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+ // case1: acos(1)
+ List<String> output1 = processor.transform("1|4|6|8", new HashMap<>());
+ Assert.assertEquals(1, output1.size());
+ Assert.assertEquals(output1.get(0), "result=0.0");
+ // case2: acos(0)
+ List<String> output2 = processor.transform("0|4|6|8", new HashMap<>());
+ Assert.assertEquals(1, output2.size());
+ Assert.assertEquals(output2.get(0), "result=1.5707963267948966");
+ // case3: acos(-1)
+ List<String> output3 = processor.transform("-1|4|6|8", new
HashMap<>());
+ Assert.assertEquals(1, output3.size());
+ Assert.assertEquals(output3.get(0), "result=3.141592653589793");
+ }
+
@Test
public void testTanFunction() throws Exception {
String transformSql = "select tan(numeric1) from source";
