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new 916e6c1532 [INLONG-10920][SDK] Transform support LocalTime function
(#10922)
916e6c1532 is described below
commit 916e6c1532ac4f740abb7b4c0babf76ef855baee
Author: Xincheng Huang <60057611+ying-...@users.noreply.github.com>
AuthorDate: Tue Aug 27 19:35:32 2024 +0800
[INLONG-10920][SDK] Transform support LocalTime function (#10922)
---
.../process/function/LocalTimeFunction.java | 55 ++++++++++++++++++++++
.../transform/process/operator/OperatorTools.java | 3 ++
.../TestTransformTemporalFunctionsProcessor.java | 47 ++++++++++++++++++
3 files changed, 105 insertions(+)
diff --git
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/LocalTimeFunction.java
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/LocalTimeFunction.java
new file mode 100644
index 0000000000..a3072901a3
--- /dev/null
+++
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/LocalTimeFunction.java
@@ -0,0 +1,55 @@
+/*
+ * 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.time.LocalTime;
+import java.time.ZoneId;
+
+/**
+ * LocalTimeFunction
+ * description:
+ * localTime([string1]) returns the current time in the specified time zone.
+ * (by default: the current time in the system time zone)
+ */
+public class LocalTimeFunction implements ValueParser {
+
+ private ValueParser stringParser;
+
+ public LocalTimeFunction(Function expr) {
+ if (expr.getParameters() != null) {
+ stringParser =
OperatorTools.buildParser(expr.getParameters().getExpressions().get(0));
+ }
+ }
+
+ @Override
+ public Object parse(SourceData sourceData, int rowIndex, Context context) {
+ if (stringParser != null) {
+ String zoneString =
OperatorTools.parseString(stringParser.parse(sourceData, rowIndex, context));
+ return LocalTime.now(ZoneId.of(zoneString)).withNano(0);
+ } else {
+ return LocalTime.now(ZoneId.systemDefault()).withNano(0);
+ }
+ }
+}
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 9c6f0d0731..5dc282130b 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
@@ -31,6 +31,7 @@ import
org.apache.inlong.sdk.transform.process.function.FloorFunction;
import org.apache.inlong.sdk.transform.process.function.FromUnixTimeFunction;
import org.apache.inlong.sdk.transform.process.function.LengthFunction;
import org.apache.inlong.sdk.transform.process.function.LnFunction;
+import org.apache.inlong.sdk.transform.process.function.LocalTimeFunction;
import org.apache.inlong.sdk.transform.process.function.LocateFunction;
import org.apache.inlong.sdk.transform.process.function.Log10Function;
import org.apache.inlong.sdk.transform.process.function.Log2Function;
@@ -118,6 +119,8 @@ public class OperatorTools {
static {
functionMap.put("concat", ConcatFunction::new);
functionMap.put("now", NowFunction::new);
+ functionMap.put("localtime", LocalTimeFunction::new);
+ functionMap.put("currenttime", LocalTimeFunction::new);
functionMap.put("power", PowerFunction::new);
functionMap.put("abs", AbsFunction::new);
functionMap.put("sqrt", SqrtFunction::new);
diff --git
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformTemporalFunctionsProcessor.java
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformTemporalFunctionsProcessor.java
index 7a40411bc6..67027c4b25 100644
---
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformTemporalFunctionsProcessor.java
+++
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformTemporalFunctionsProcessor.java
@@ -28,6 +28,10 @@ import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
+import java.time.Duration;
+import java.time.LocalTime;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
@@ -362,4 +366,47 @@ public class TestTransformTemporalFunctionsProcessor {
Assert.assertEquals(1, output4.size());
Assert.assertEquals(output4.get(0), "result=1970-01-01 00:00:00.0");
}
+
+ @Test
+ public void testLocalTimeFunction() throws Exception {
+ String transformSql1 = "select localTime() from source";
+ TransformConfig config1 = new TransformConfig(transformSql1);
+ TransformProcessor<String, String> processor1 = TransformProcessor
+ .create(config1,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+ DateTimeFormatter fomatter = DateTimeFormatter.ofPattern("HH:mm:ss");
+ // case1: localTime()
+ List<String> output1 = processor1.transform("", new HashMap<>());
+ LocalTime expectedTime1 = LocalTime.now().withNano(0);
+ LocalTime actualTime1 = LocalTime.parse(output1.get(0).split("=")[1],
fomatter);
+ Duration duration1 = Duration.between(expectedTime1, actualTime1);
+ Assert.assertEquals(1, output1.size());
+ Assert.assertTrue(duration1.getSeconds() < 1);
+
+ // case2: currentTime("UTC")
+ String transformSql2 = "select currentTime('UTC') from source";
+ TransformConfig config2 = new TransformConfig(transformSql2);
+ TransformProcessor<String, String> processor2 = TransformProcessor
+ .create(config2,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+ List<String> output2 = processor2.transform("", new HashMap<>());
+ LocalTime expectedTime2 = LocalTime.now(ZoneId.of("UTC")).withNano(0);
+ LocalTime actualTime2 = LocalTime.parse(output2.get(0).split("=")[1],
fomatter);
+ Duration duration2 = Duration.between(expectedTime2, actualTime2);
+ Assert.assertEquals(1, output2.size());
+ Assert.assertTrue(duration2.getSeconds() < 1);
+
+ // case 3: localTime("America/New_York")
+ String transformSql3 = "select localTime('America/New_York') from
source";
+ TransformConfig config3 = new TransformConfig(transformSql3);
+ TransformProcessor<String, String> processor3 = TransformProcessor
+ .create(config3,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+ List<String> output3 = processor3.transform("", new HashMap<>());
+ LocalTime expectedTime3 =
LocalTime.now(ZoneId.of("America/New_York")).withNano(0);
+ LocalTime actualTime3 = LocalTime.parse(output3.get(0).split("=")[1],
fomatter);
+ Duration duration3 = Duration.between(expectedTime3, actualTime3);
+ Assert.assertEquals(1, output3.size());
+ Assert.assertTrue(duration3.getSeconds() < 1);
+ }
}
