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Merge branch 'master' of https://github.com/palani-a/tutorials

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This commit is contained in:
Palaniappan Arunachalam
2022-02-09 13:24:32 +05:30
parent 5da21d6bba cb26127299
commit 3d6e3af927
221 changed files with 3469 additions and 1041 deletions
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apache-olingo/olingo2/.gitignore → apache-olingo/.gitignore
+1
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@@ -27,3 +27,4 @@ HELP.md
### VS Code ###
.vscode/
apache-olingo/Samples.md
+9 -9
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@@ -4,15 +4,15 @@ This following table contains test URLs that can be used with the Olingo V2 demo
| URL | Description |
|------------------------------------------|-------------------------------------------------|
| `http://localhost:8180/odata/$metadata` | fetch OData metadata document |
| `http://localhost:8180/odata/CarMakers?$top=10&$skip=10` | Get 10 entities starting at offset 10 |
| `http://localhost:8180/odata/CarMakers?$count` | Return total count of entities in this set |
| `http://localhost:8180/odata/CarMakers?$filter=startswith(Name,'B')` | Return entities where the *Name* property starts with 'B' |
| `http://localhost:8180/odata/CarModels?$filter=Year eq 2008 and CarMakerDetails/Name eq 'BWM'` | Return *CarModel* entities where the *Name* property of its maker starts with 'B' |
| `http://localhost:8180/odata/CarModels(1L)?$expand=CarMakerDetails` | Return the *CarModel* with primary key '1', along with its maker|
| `http://localhost:8180/odata/CarModels(1L)?$select=Name,Sku` | Return the *CarModel* with primary key '1', returing only its *Name* and *Sku* properties |
| `http://localhost:8180/odata/CarModels?$orderBy=Name asc,Sku desc` | Return *CarModel* entities, ordered by the their *Name* and *Sku* properties |
| `http://localhost:8180/odata/CarModels?$format=json` | Return *CarModel* entities, using a JSON representation|
| `http://localhost:8080/odata/$metadata` | fetch OData metadata document |
| `http://localhost:8080/odata/CarMakers?$top=10&$skip=10` | Get 10 entities starting at offset 10 |
| `http://localhost:8080/odata/CarMakers?$count` | Return total count of entities in this set |
| `http://localhost:8080/odata/CarMakers?$filter=startswith(Name,'B')` | Return entities where the *Name* property starts with 'B' |
| `http://localhost:8080/odata/CarModels?$filter=Year eq 2008 and CarMakerDetails/Name eq 'BWM'` | Return *CarModel* entities where the *Name* property of its maker starts with 'B' |
| `http://localhost:8080/odata/CarModels(1L)?$expand=CarMakerDetails` | Return the *CarModel* with primary key '1', along with its maker|
| `http://localhost:8080/odata/CarModels(1L)?$select=Name,Sku` | Return the *CarModel* with primary key '1', returing only its *Name* and *Sku* properties |
| `http://localhost:8080/odata/CarModels?$orderBy=Name asc,Sku desc` | Return *CarModel* entities, ordered by the their *Name* and *Sku* properties |
| `http://localhost:8080/odata/CarModels?$format=json` | Return *CarModel* entities, using a JSON representation|
apache-olingo/olingo2/pom.xml → apache-olingo/pom.xml
+10 -10
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@@ -3,16 +3,16 @@
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung.examples.olingo2</groupId>
<artifactId>olingo2</artifactId>
<name>olingo2</name>
<description>Sample Olingo 2 Project</description>
<groupId>com.baeldung.examples.olingo</groupId>
<artifactId>apache-olingo</artifactId>
<name>apache-olingo</name>
<description>Sample Apache Olingo Project</description>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-boot-2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-boot-2</relativePath>
<relativePath>../parent-boot-2</relativePath>
</parent>
<dependencies>
@@ -43,7 +43,7 @@
<dependency>
<groupId>org.apache.olingo</groupId>
<artifactId>olingo-odata2-core</artifactId>
<version>${olingo2.version}</version>
<version>${olingo.version}</version>
<!-- Avoid jax-rs version conflict by excluding Olingo's version -->
<exclusions>
<exclusion>
@@ -55,12 +55,12 @@
<dependency>
<groupId>org.apache.olingo</groupId>
<artifactId>olingo-odata2-jpa-processor-core</artifactId>
<version>${olingo2.version}</version>
<version>${olingo.version}</version>
</dependency>
<dependency>
<groupId>org.apache.olingo</groupId>
<artifactId>olingo-odata2-jpa-processor-ref</artifactId>
<version>${olingo2.version}</version>
<version>${olingo.version}</version>
<exclusions>
<exclusion>
<groupId>org.eclipse.persistence</groupId>
@@ -80,7 +80,7 @@
</build>
<properties>
<olingo2.version>2.0.11</olingo2.version>
<olingo.version>2.0.11</olingo.version>
</properties>
</project>
</project>
apache-olingo/olingo2/src/main/java/com/baeldung/examples/olingo2/CarsODataJPAServiceFactory.java → apache-olingo/src/main/java/com/baeldung/examples/olingo2/CarsODataJPAServiceFactory.java
+4 -9
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@@ -27,11 +27,6 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
/**
* ODataJPAServiceFactory implementation for our sample domain
* @author Philippe
*
*/
@Component
public class CarsODataJPAServiceFactory extends ODataJPAServiceFactory {
@@ -44,7 +39,7 @@ public class CarsODataJPAServiceFactory extends ODataJPAServiceFactory {
/**
* This method will be called by Olingo on every request to
* initialize the ODataJPAContext that will be used.
* initialize the ODataJPAContext that will be used.
*/
@Override
public ODataJPAContext initializeODataJPAContext() throws ODataJPARuntimeException {
@@ -54,14 +49,14 @@ public class CarsODataJPAServiceFactory extends ODataJPAServiceFactory {
ODataContext octx = ctx.getODataContext();
HttpServletRequest request = (HttpServletRequest)octx.getParameter(ODataContext.HTTP_SERVLET_REQUEST_OBJECT);
EntityManager em = (EntityManager)request.getAttribute(JerseyConfig.EntityManagerFilter.EM_REQUEST_ATTRIBUTE);
// Here we're passing the EM that was created by the EntityManagerFilter (see JerseyConfig)
ctx.setEntityManager(new EntityManagerWrapper(em));
ctx.setPersistenceUnitName("default");
// We're managing the EM's lifecycle, so we must inform Olingo that it should not
// try to manage transactions and/or persistence sessions
ctx.setContainerManaged(true);
ctx.setContainerManaged(true);
return ctx;
}
apache-olingo/olingo2/src/main/java/com/baeldung/examples/olingo2/JerseyConfig.java → apache-olingo/src/main/java/com/baeldung/examples/olingo2/JerseyConfig.java
+18 -25
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@@ -1,6 +1,12 @@
package com.baeldung.examples.olingo2;
package com.baeldung.examples.olingo2;
import java.io.IOException;
import org.apache.olingo.odata2.api.ODataServiceFactory;
import org.apache.olingo.odata2.core.rest.ODataRootLocator;
import org.apache.olingo.odata2.core.rest.app.ODataApplication;
import org.glassfish.jersey.server.ResourceConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
@@ -15,28 +21,15 @@ import javax.ws.rs.container.ContainerResponseFilter;
import javax.ws.rs.core.Context;
import javax.ws.rs.ext.Provider;
import org.apache.olingo.odata2.api.ODataServiceFactory;
import org.apache.olingo.odata2.core.rest.ODataRootLocator;
import org.apache.olingo.odata2.core.rest.app.ODataApplication;
import org.glassfish.jersey.server.ResourceConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
/**
* Jersey JAX-RS configuration
* @author Philippe
*
*/
@Component
@ApplicationPath("/odata")
public class JerseyConfig extends ResourceConfig {
public JerseyConfig(CarsODataJPAServiceFactory serviceFactory, EntityManagerFactory emf) {
public JerseyConfig(CarsODataJPAServiceFactory serviceFactory, EntityManagerFactory emf) {
ODataApplication app = new ODataApplication();
app
.getClasses()
.forEach( c -> {
@@ -46,11 +39,11 @@ public class JerseyConfig extends ResourceConfig {
register(c);
}
});
register(new CarsRootLocator(serviceFactory));
register(new CarsRootLocator(serviceFactory));
register( new EntityManagerFilter(emf));
}
/**
* This filter handles the EntityManager transaction lifecycle.
* @author Philippe
@@ -72,7 +65,7 @@ public class JerseyConfig extends ResourceConfig {
}
@Override
public void filter(ContainerRequestContext ctx) throws IOException {
public void filter(ContainerRequestContext ctx) {
log.info("[I60] >>> filter");
EntityManager em = this.emf.createEntityManager();
httpRequest.setAttribute(EM_REQUEST_ATTRIBUTE, em);
@@ -85,7 +78,7 @@ public class JerseyConfig extends ResourceConfig {
}
@Override
public void filter(ContainerRequestContext requestContext, ContainerResponseContext responseContext) throws IOException {
public void filter(ContainerRequestContext requestContext, ContainerResponseContext responseContext) {
log.info("[I68] <<< filter");
EntityManager em = (EntityManager) httpRequest.getAttribute(EM_REQUEST_ATTRIBUTE);
apache-olingo/olingo2/src/main/java/com/baeldung/examples/olingo2/Olingo2SampleApplication.java → apache-olingo/src/main/java/com/baeldung/examples/olingo2/Olingo2SampleApplication.java
+1 -1
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@@ -7,7 +7,7 @@ import org.springframework.boot.web.servlet.support.SpringBootServletInitializer
@SpringBootApplication
public class Olingo2SampleApplication extends SpringBootServletInitializer {
public static void main(String[] args) {
public static void main(String[] args) {
SpringApplication.run(Olingo2SampleApplication.class);
}
}
apache-olingo/olingo2/src/main/java/com/baeldung/examples/olingo2/domain/CarMaker.java → apache-olingo/src/main/java/com/baeldung/examples/olingo2/domain/CarMaker.java
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apache-olingo/olingo2/src/main/java/com/baeldung/examples/olingo2/domain/CarModel.java → apache-olingo/src/main/java/com/baeldung/examples/olingo2/domain/CarModel.java
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apache-olingo/olingo2/src/main/resources/application.yml → apache-olingo/src/main/resources/application.yml
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apache-olingo/olingo2/src/main/resources/data.sql → apache-olingo/src/main/resources/data.sql
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apache-olingo/olingo2/src/main/resources/logback.xml → apache-olingo/src/main/resources/logback.xml
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apache-olingo/olingo2/src/test/java/com/baeldung/examples/olingo2/Olingo2SampleApplicationUnitTest.java → apache-olingo/src/test/java/com/baeldung/examples/olingo2/Olingo2SampleApplicationIntegrationTest.java
+1 -1
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@@ -7,7 +7,7 @@ import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest
public class Olingo2SampleApplicationUnitTest {
public class Olingo2SampleApplicationIntegrationTest {
@Test
public void contextLoads() {
apache-olingo/olingo2/src/test/resources/logback-test.xml → apache-olingo/src/test/resources/logback-test.xml
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apache-olingo/olingo2/src/test/resources/olingo2-queries.json → apache-olingo/src/test/resources/olingo2-queries.json
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apache-poi/.gitignore
+2
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@@ -1,3 +1,5 @@
*.docx
temp.xls
temp.xlsx
CellStyleTest_output.xlsx
apache-poi/README.md
+1
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@@ -14,4 +14,5 @@ This module contains articles about Apache POI.
- [Set Background Color of a Cell with Apache POI](https://www.baeldung.com/apache-poi-background-color)
- [Add Borders to Excel Cells With Apache POI](https://www.baeldung.com/apache-poi-add-borders)
- [Reading Values From Excel in Java](https://www.baeldung.com/java-read-dates-excel)
- [Change Cell Font Style with Apache POI](https://www.baeldung.com/apache-poi-change-cell-font)
- More articles: [[next -->]](../apache-poi-2)
apache-poi/pom.xml
+1 -1
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@@ -33,7 +33,7 @@
</dependencies>
<properties>
<poi.version>4.1.1</poi.version>
<poi.version>5.2.0</poi.version>
<jexcel.version>1.0.6</jexcel.version>
</properties>
apache-poi/src/main/java/com/baeldung/poi/excel/ExcelPOIHelper.java
+13 -14
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@@ -1,25 +1,24 @@
package com.baeldung.poi.excel;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.DateUtil;
import org.apache.poi.ss.usermodel.FillPatternType;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFFont;
import org.apache.poi.ss.usermodel.DateUtil;
import org.apache.poi.ss.usermodel.FillPatternType;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import java.util.HashMap;
import java.util.ArrayList;
import java.util.List;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
public class ExcelPOIHelper {
@@ -33,7 +32,7 @@ public class ExcelPOIHelper {
for (Row row : sheet) {
data.put(i, new ArrayList<String>());
for (Cell cell : row) {
switch (cell.getCellTypeEnum()) {
switch (cell.getCellType()) {
case STRING:
data.get(i)
.add(cell.getRichStringCellValue()
apache-poi/src/main/java/com/baeldung/poi/excel/ExcelUtility.java
+1
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@@ -44,6 +44,7 @@ public class ExcelUtility {
}
}
inputStream.close();
baeuldungWorkBook.close();
} catch (IOException e) {
throw e;
apache-poi/src/main/java/com/baeldung/poi/excel/cellstyle/CellStyler.java
+25
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@@ -0,0 +1,25 @@
package com.baeldung.poi.excel.cellstyle;
import org.apache.poi.hssf.util.HSSFColor.HSSFColorPredefined;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.HorizontalAlignment;
import org.apache.poi.ss.usermodel.VerticalAlignment;
import org.apache.poi.ss.usermodel.Workbook;
public class CellStyler {
public CellStyle createWarningColor(Workbook workbook) {
CellStyle style = workbook.createCellStyle();
Font font = workbook.createFont();
font.setFontName("Courier New");
font.setBold(true);
font.setUnderline(Font.U_SINGLE);
font.setColor(HSSFColorPredefined.DARK_RED.getIndex());
style.setFont(font);
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
return style;
}
}
apache-poi/src/main/resources/com/baeldung/poi/excel/cellstyle/CellStyle.xlsx
BIN
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apache-poi/src/test/java/com/baeldung/jexcel/JExcelIntegrationTest.java
+10 -17
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@@ -1,25 +1,18 @@
package com.baeldung.jexcel;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import jxl.read.biff.BiffException;
import java.util.Map;
import java.util.ArrayList;
import java.util.List;
import com.baeldung.jexcel.JExcelHelper;
import jxl.write.WriteException;
import jxl.read.biff.BiffException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import org.junit.Before;
import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import jxl.read.biff.BiffException;
import jxl.write.WriteException;
public class JExcelIntegrationTest {
apache-poi/src/test/java/com/baeldung/poi/excel/ExcelIntegrationTest.java
+7 -14
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@@ -1,22 +1,15 @@
package com.baeldung.poi.excel;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import jxl.read.biff.BiffException;
import java.util.Map;
import java.util.ArrayList;
import java.util.List;
import com.baeldung.poi.excel.ExcelPOIHelper;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import org.junit.Before;
import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class ExcelIntegrationTest {
apache-poi/src/test/java/com/baeldung/poi/excel/cellstyle/CellStyleHandlerUnitTest.java
+9 -7
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@@ -1,17 +1,19 @@
package com.baeldung.poi.excel.cellstyle;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URISyntaxException;
import java.nio.file.Paths;
import static org.junit.Assert.assertEquals;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.junit.Before;
import org.junit.Test;
public class CellStyleHandlerUnitTest {
private static final String FILE_NAME = "cellstyle/CellStyleHandlerTest.xlsx";
apache-poi/src/test/java/com/baeldung/poi/excel/cellstyle/CellStylerUnitTest.java
+52
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@@ -0,0 +1,52 @@
package com.baeldung.poi.excel.cellstyle;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URISyntaxException;
import java.nio.file.Paths;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.junit.Before;
import org.junit.Test;
public class CellStylerUnitTest {
private static String FILE_NAME = "com/baeldung/poi/excel/cellstyle/CellStyle.xlsx";
private static final String NEW_FILE_NAME = "CellStyleTest_output.xlsx";
private String fileLocation;
@Before
public void setup() throws IOException, URISyntaxException {
fileLocation = Paths.get(ClassLoader.getSystemResource(FILE_NAME)
.toURI())
.toString();
}
@Test
public void testApplyWarningColor() throws IOException {
Workbook workbook = new XSSFWorkbook(fileLocation);
Sheet sheet = workbook.getSheetAt(0);
Row row1 = sheet.createRow(0);
row1.setHeightInPoints((short) 40);
CellStyler styler = new CellStyler();
CellStyle style = styler.createWarningColor(workbook);
Cell cell1 = row1.createCell(0);
cell1.setCellStyle(style);
cell1.setCellValue("Hello");
Cell cell2 = row1.createCell(1);
cell2.setCellStyle(style);
cell2.setCellValue("world!");
FileOutputStream outputStream = new FileOutputStream(NEW_FILE_NAME);
workbook.write(outputStream);
outputStream.close();
workbook.close();
}
}
apache-spark/src/test/java/com/baeldung/differences/rdd/TransformationsUnitTest.java
+14 -8
View File
@@ -1,9 +1,9 @@
package com.baeldung.differences.rdd;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaRDD;
@@ -12,12 +12,15 @@ import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import java.io.File;
public class TransformationsUnitTest {
public static final String COMMA_DELIMITER = ",(?=([^\"]*\"[^\"]*\")*[^\"]*$)";
private static JavaSparkContext sc;
private static JavaRDD<String> tourists;
@BeforeClass
public static void init() {
SparkConf conf = new SparkConf().setAppName("uppercaseCountries")
@@ -25,8 +28,11 @@ public class TransformationsUnitTest {
sc = new JavaSparkContext(conf);
tourists = sc.textFile("data/Tourist.csv")
.filter(line -> !line.startsWith("Region")); //filter header row
// delete previous output dir and files
FileUtils.deleteQuietly(new File("data/output"));
}
@AfterClass
public static void cleanup() {
sc.close();
@@ -39,9 +45,9 @@ public class TransformationsUnitTest {
return columns[1].toUpperCase();
})
.distinct();
upperCaseCountries.saveAsTextFile("data/output/uppercase.txt");
upperCaseCountries.foreach(country -> {
//replace non alphanumerical characters
country = country.replaceAll("[^a-zA-Z]", "");
@@ -52,9 +58,9 @@ public class TransformationsUnitTest {
@Test
public void whenFilterByCountry_thenShowRequestedCountryRecords() {
JavaRDD<String> touristsInMexico = tourists.filter(line -> line.split(COMMA_DELIMITER)[1].equals("Mexico"));
touristsInMexico.saveAsTextFile("data/output/touristInMexico.txt");
touristsInMexico.foreach(record -> {
assertEquals("Mexico", record.split(COMMA_DELIMITER)[1]);
});
book
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core-java-modules/core-java-15/README.md
+1
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@@ -4,4 +4,5 @@ This module contains articles about Java 15.
### Relevant articles
- [Hidden Classes in Java 15](https://www.baeldung.com/java-hidden-classes)
- [Sealed Classes and Interfaces in Java 15](https://www.baeldung.com/java-sealed-classes-interfaces)
core-java-modules/core-java-17/README.md
+1
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@@ -1,5 +1,6 @@
### Relevant articles:
- [An Introduction to InstantSource in Java 17](https://www.baeldung.com/java-instantsource)
- [Pattern Matching for Switch](https://www.baeldung.com/java-switch-pattern-matching)
- [Introduction to HexFormat in Java 17](https://www.baeldung.com/java-hexformat)
- [New Features in Java 17](https://www.baeldung.com/java-17-new-features)
core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/iterators/Iterators.java
+6 -7
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@@ -1,17 +1,16 @@
package com.baeldung.collections.iterators;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.concurrent.ConcurrentHashMap;
/**
* Source code https://github.com/eugenp/tutorials
*
* @author Santosh Thakur
*/
public class Iterators {
private static final Logger LOG = LoggerFactory.getLogger(Iterators.class);
public static int failFast1() {
ArrayList<Integer> numbers = new ArrayList<>();
@@ -44,7 +43,7 @@ public class Iterators {
}
}
System.out.println("using iterator's remove method = " + numbers);
LOG.debug("using iterator's remove method = {}", numbers);
iterator = numbers.iterator();
while (iterator.hasNext()) {

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