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Merge branch 'master' into Mercator

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This commit is contained in:
Grigorios Dimopoulos
2018-11-05 11:09:23 +02:00
parent 80357224ac d83eb69567
commit cc54876147
771 changed files with 72437 additions and 737 deletions
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algorithms-genetic/README.md
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## Relevant articles:
- [Introduction to Jenetics Library](http://www.baeldung.com/jenetics)
- [Ant Colony Optimization](http://www.baeldung.com/java-ant-colony-optimization)
- [Ant Colony Optimization](http://www.baeldung.com/java-ant-colony-optimization)
- [Design a Genetic Algorithm in Java](https://www.baeldung.com/java-genetic-algorithm)
- [The Traveling Salesman Problem in Java](https://www.baeldung.com/java-simulated-annealing-for-traveling-salesman)
algorithms-genetic/roundUpToHundred/.gitignore
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/bin/
algorithms-genetic/roundUpToHundred/src/com/java/src/RoundUpToHundred.java
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@@ -1,20 +0,0 @@
package com.java.src;
import java.util.Scanner;
public class RoundUpToHundred {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
double input = scanner.nextDouble();
scanner.close();
RoundUpToHundred.round(input);
}
static long round(double input) {
long i = (long) Math.ceil(input);
return ((i + 99) / 100) * 100;
};
}
algorithms-genetic/roundUpToHundred/src/com/java/src/RoundUpToHundredTest.java
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package com.java.src;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class RoundUpToHundredTest {
@Test
public void givenInput_whenRound_thenRoundUpToTheNearestHundred() {
assertEquals("Rounded up to hundred", 100, RoundUpToHundred.round(99));
assertEquals("Rounded up to three hundred ", 300, RoundUpToHundred.round(200.2));
assertEquals("Returns same rounded value", 400, RoundUpToHundred.round(400));
}
}
algorithms-genetic/src/main/java/com/baeldung/algorithms/RunAlgorithm.java
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@@ -5,7 +5,6 @@ import java.util.Scanner;
import com.baeldung.algorithms.ga.annealing.SimulatedAnnealing;
import com.baeldung.algorithms.ga.ant_colony.AntColonyOptimization;
import com.baeldung.algorithms.ga.binary.SimpleGeneticAlgorithm;
import com.baeldung.algorithms.slope_one.SlopeOne;
public class RunAlgorithm {
@@ -13,11 +12,8 @@ public class RunAlgorithm {
Scanner in = new Scanner(System.in);
System.out.println("Run algorithm:");
System.out.println("1 - Simulated Annealing");
System.out.println("2 - Slope One");
System.out.println("3 - Simple Genetic Algorithm");
System.out.println("4 - Ant Colony");
System.out.println("5 - Dijkstra");
System.out.println("6 - All pairs in an array that add up to a given sum");
System.out.println("2 - Simple Genetic Algorithm");
System.out.println("3 - Ant Colony");
int decision = in.nextInt();
switch (decision) {
case 1:
@@ -25,19 +21,13 @@ public class RunAlgorithm {
"Optimized distance for travel: " + SimulatedAnnealing.simulateAnnealing(10, 10000, 0.9995));
break;
case 2:
SlopeOne.slopeOne(3);
break;
case 3:
SimpleGeneticAlgorithm ga = new SimpleGeneticAlgorithm();
ga.runAlgorithm(50, "1011000100000100010000100000100111001000000100000100000000001111");
break;
case 4:
case 3:
AntColonyOptimization antColony = new AntColonyOptimization(21);
antColony.startAntOptimization();
break;
case 5:
System.out.println("Please run the DijkstraAlgorithmTest.");
break;
default:
System.out.println("Unknown option");
break;
algorithms-miscellaneous-1/README.md
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- [How to Find the Kth Largest Element in Java](http://www.baeldung.com/java-kth-largest-element)
- [Multi-Swarm Optimization Algorithm in Java](http://www.baeldung.com/java-multi-swarm-algorithm)
- [String Search Algorithms for Large Texts](http://www.baeldung.com/java-full-text-search-algorithms)
- [Check If a String Contains All The Letters of The Alphabet](https://www.baeldung.com/java-string-contains-all-letters)
- [Check If a String Contains All The Letters of The Alphabet](https://www.baeldung.com/java-string-contains-all-letters)
- [Find the Middle Element of a Linked List](http://www.baeldung.com/java-linked-list-middle-element)
algorithms-miscellaneous-1/roundUpToHundred/.gitignore
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/bin/
algorithms-miscellaneous-1/roundUpToHundred/src/com/java/src/RoundUpToHundredTest.java
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@@ -1,14 +0,0 @@
package com.java.src;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class RoundUpToHundredTest {
@Test
public void givenInput_whenRound_thenRoundUpToTheNearestHundred() {
assertEquals("Rounded up to hundred", 100, RoundUpToHundred.round(99));
assertEquals("Rounded up to three hundred ", 300, RoundUpToHundred.round(200.2));
assertEquals("Returns same rounded value", 400, RoundUpToHundred.round(400));
}
}
algorithms-miscellaneous-1/src/main/resources/maze/maze1.txt
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S ########
# #
# ### ## #
# # # #
# # # # #
# ## #####
# # #
# # # # #
##### ####
# # E
# # # #
##########
algorithms-miscellaneous-1/src/main/resources/maze/maze2.txt
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S ##########################
# # # #
# # #### ############### #
# # # # # #
# # #### # # ###############
# # # # # # #
# # # #### ### ########### #
# # # # # #
# ################## #
######### # # # # #
# # #### # ####### # #
# # ### ### # # # # #
# # ## # ##### # #
##### ####### # # # # #
# # ## ## #### # #
# ##### ####### # #
# # ############
####### ######### # #
# # ######## #
# ####### ###### ## # E
# # # ## #
############################
algorithms-miscellaneous-2/README.md
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@@ -10,7 +10,6 @@
- [A Collaborative Filtering Recommendation System in Java](http://www.baeldung.com/java-collaborative-filtering-recommendations)
- [Converting Between Roman and Arabic Numerals in Java](http://www.baeldung.com/java-convert-roman-arabic)
- [Practical Java Examples of the Big O Notation](http://www.baeldung.com/java-algorithm-complexity)
- [Find the Middle Element of a Linked List](http://www.baeldung.com/java-linked-list-middle-element)
- [An Introduction to the Theory of Big-O Notation](http://www.baeldung.com/big-o-notation)
- [Check If Two Rectangles Overlap In Java](https://www.baeldung.com/java-check-if-two-rectangles-overlap)
- [Calculate the Distance Between Two Points in Java](https://www.baeldung.com/java-distance-between-two-points)
algorithms-miscellaneous-2/roundUpToHundred/.gitignore
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/bin/
algorithms-miscellaneous-2/roundUpToHundred/src/com/java/src/RoundUpToHundred.java
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@@ -1,20 +0,0 @@
package com.java.src;
import java.util.Scanner;
public class RoundUpToHundred {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
double input = scanner.nextDouble();
scanner.close();
RoundUpToHundred.round(input);
}
static long round(double input) {
long i = (long) Math.ceil(input);
return ((i + 99) / 100) * 100;
};
}
algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/RunAlgorithm.java
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@@ -0,0 +1,28 @@
package com.baeldung.algorithms;
import java.util.Scanner;
import com.baeldung.algorithms.slope_one.SlopeOne;
public class RunAlgorithm {
public static void main(String[] args) throws InstantiationException, IllegalAccessException {
Scanner in = new Scanner(System.in);
System.out.println("1 - Slope One");
System.out.println("2 - Dijkstra");
int decision = in.nextInt();
switch (decision) {
case 1:
SlopeOne.slopeOne(3);
break;
case 2:
System.out.println("Please run the DijkstraAlgorithmLongRunningUnitTest.");
break;
default:
System.out.println("Unknown option");
break;
}
in.close();
}
}
algorithms-genetic/src/main/java/com/baeldung/algorithms/ga/dijkstra/Dijkstra.java → algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/ga/dijkstra/Dijkstra.java
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algorithms-genetic/src/main/java/com/baeldung/algorithms/ga/dijkstra/Graph.java → algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/ga/dijkstra/Graph.java
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algorithms-genetic/src/main/java/com/baeldung/algorithms/ga/dijkstra/Node.java → algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/ga/dijkstra/Node.java
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algorithms-miscellaneous-1/roundUpToHundred/src/com/java/src/RoundUpToHundred.java → algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/roundedup/RoundUpToHundred.java
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package com.java.src;
package com.baeldung.algorithms.roundedup;
import java.util.Scanner;
algorithms-genetic/src/main/java/com/baeldung/algorithms/slope_one/InputData.java → algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/slope_one/InputData.java
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algorithms-genetic/src/main/java/com/baeldung/algorithms/slope_one/Item.java → algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/slope_one/Item.java
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algorithms-genetic/src/main/java/com/baeldung/algorithms/slope_one/SlopeOne.java → algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/slope_one/SlopeOne.java
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algorithms-genetic/src/main/java/com/baeldung/algorithms/slope_one/User.java → algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/slope_one/User.java
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algorithms-genetic/src/test/java/com/baeldung/algorithms/DijkstraAlgorithmLongRunningUnitTest.java → algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/DijkstraAlgorithmLongRunningUnitTest.java
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algorithms-miscellaneous-2/roundUpToHundred/src/com/java/src/RoundUpToHundredTest.java → algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/roundedup/RoundUpToHundredUnitTest.java
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@@ -1,10 +1,10 @@
package com.java.src;
package com.baeldung.algorithms.roundedup;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class RoundUpToHundredTest {
public class RoundUpToHundredUnitTest {
@Test
public void givenInput_whenRound_thenRoundUpToTheNearestHundred() {
assertEquals("Rounded up to hundred", 100, RoundUpToHundred.round(99));
algorithms-sorting/roundUpToHundred/.gitignore
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@@ -1 +0,0 @@
/bin/
algorithms-sorting/roundUpToHundred/src/com/java/src/RoundUpToHundred.java
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@@ -1,20 +0,0 @@
package com.java.src;
import java.util.Scanner;
public class RoundUpToHundred {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
double input = scanner.nextDouble();
scanner.close();
RoundUpToHundred.round(input);
}
static long round(double input) {
long i = (long) Math.ceil(input);
return ((i + 99) / 100) * 100;
};
}
algorithms-sorting/roundUpToHundred/src/com/java/src/RoundUpToHundredTest.java
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@@ -1,14 +0,0 @@
package com.java.src;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class RoundUpToHundredTest {
@Test
public void givenInput_whenRound_thenRoundUpToTheNearestHundred() {
assertEquals("Rounded up to hundred", 100, RoundUpToHundred.round(99));
assertEquals("Rounded up to three hundred ", 300, RoundUpToHundred.round(200.2));
assertEquals("Returns same rounded value", 400, RoundUpToHundred.round(400));
}
}
cdi-portable-extension/flyway-cdi/pom.xml
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@@ -1,38 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
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>
<artifactId>flyway-cdi</artifactId>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>cdi-portable-extension</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>javax.enterprise</groupId>
<artifactId>cdi-api</artifactId>
<version>2.0.SP1</version>
</dependency>
<dependency>
<groupId>org.flywaydb</groupId>
<artifactId>flyway-core</artifactId>
<version>5.1.4</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jdbc</artifactId>
<version>8.5.33</version>
</dependency>
<dependency>
<groupId>javax.annotation</groupId>
<artifactId>javax.annotation-api</artifactId>
<version>1.3.2</version>
</dependency>
</dependencies>
</project>
cdi-portable-extension/flyway-cdi/src/main/java/com/baeldung/cdi/extension/FlywayExtension.java
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@@ -1,74 +0,0 @@
package com.baeldung.cdi.extension;
import org.apache.tomcat.jdbc.pool.DataSource;
import org.flywaydb.core.Flyway;
import javax.annotation.sql.DataSourceDefinition;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.event.Observes;
import javax.enterprise.inject.Any;
import javax.enterprise.inject.Default;
import javax.enterprise.inject.literal.InjectLiteral;
import javax.enterprise.inject.spi.*;
import javax.enterprise.util.AnnotationLiteral;
/**
* Flyway is now under CDI container like:
*
* @ApplicationScoped
* @FlywayType public class Flyway{
* @Inject setDataSource(DataSource dataSource){
* //...
* }
* }
*/
public class FlywayExtension implements Extension {
DataSourceDefinition dataSourceDefinition = null;
public void registerFlywayType(@Observes BeforeBeanDiscovery bbdEvent) {
bbdEvent.addAnnotatedType(Flyway.class, Flyway.class.getName());
}
public void detectDataSourceDefinition(@Observes @WithAnnotations(DataSourceDefinition.class) ProcessAnnotatedType<?> patEvent) {
AnnotatedType at = patEvent.getAnnotatedType();
dataSourceDefinition = at.getAnnotation(DataSourceDefinition.class);
}
public void processAnnotatedType(@Observes ProcessAnnotatedType<Flyway> patEvent) {
patEvent.configureAnnotatedType()
//Add Scope
.add(ApplicationScoped.Literal.INSTANCE)
//Add Qualifier
.add(new AnnotationLiteral<FlywayType>() {
})
//Decorate setDataSource(DataSource dataSource){} with @Inject
.filterMethods(annotatedMethod -> {
return annotatedMethod.getParameters().size() == 1 &&
annotatedMethod.getParameters().get(0).getBaseType().equals(javax.sql.DataSource.class);
})
.findFirst().get().add(InjectLiteral.INSTANCE);
}
void afterBeanDiscovery(@Observes AfterBeanDiscovery abdEvent, BeanManager bm) {
abdEvent.addBean()
.types(javax.sql.DataSource.class, DataSource.class)
.qualifiers(new AnnotationLiteral<Default>() {}, new AnnotationLiteral<Any>() {})
.scope(ApplicationScoped.class)
.name(DataSource.class.getName())
.beanClass(DataSource.class)
.createWith(creationalContext -> {
DataSource instance = new DataSource();
instance.setUrl(dataSourceDefinition.url());
instance.setDriverClassName(dataSourceDefinition.className());
return instance;
});
}
void runFlywayMigration(@Observes AfterDeploymentValidation adv, BeanManager manager) {
Flyway flyway = manager.createInstance().select(Flyway.class, new AnnotationLiteral<FlywayType>() {}).get();
flyway.migrate();
}
}
cdi-portable-extension/flyway-cdi/src/main/java/com/baeldung/cdi/extension/FlywayType.java
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@@ -1,14 +0,0 @@
package com.baeldung.cdi.extension;
import javax.inject.Qualifier;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import static java.lang.annotation.ElementType.*;
@Retention(RetentionPolicy.RUNTIME)
@Target({FIELD, METHOD, PARAMETER, TYPE})
@Qualifier
public @interface FlywayType {
}

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