BAEL-812: moving examples to rule-engines folder (#2461)

* spring beans DI examples

* fix-1: shortening examples

* List of Rules Engines in Java

* BAEL-812: Openl-Tablets example added

* BAEL-812: artifacts names changed

* BAEL-812: moving rule-engines examples to rule-engines folder

* BAEL-812: removing evaluation article files

* BAEL-812: folder renamed

* BAEL-812: folder renamed

* BAEL-812: pom.xml - parent added

rule-engines/openl-tablets/pom.xml

@@ -0,0 +1,29 @@
+<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>
+
+	<groupId>com.baeldung.openltablets</groupId>
+	<artifactId>openl-tablets</artifactId>
+	<version>1.0</version>
+
+	<name>openl-tablets</name>
+
+	<parent>
+		<groupId>com.baeldung</groupId>
+		<artifactId>parent-modules</artifactId>
+		<version>1.0.0-SNAPSHOT</version>
+	</parent>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.openl</groupId>
+			<artifactId>org.openl.core</artifactId>
+			<version>5.19.4</version>
+		</dependency>
+		<dependency>
+			<groupId>org.openl.rules</groupId>
+			<artifactId>org.openl.rules</artifactId>
+			<version>5.19.4</version>
+		</dependency>
+	</dependencies>
+</project>

rule-engines/openl-tablets/src/main/java/com/baeldung/openltablets/model/Case.java

@@ -0,0 +1,23 @@
+package com.baeldung.openltablets.model;
+
+public class Case {
+
+    private User user;
+    private int hourOfDay;
+
+    public User getUser() {
+        return user;
+    }
+
+    public void setUser(final User user) {
+        this.user = user;
+    }
+
+    public int getHourOfDay() {
+        return hourOfDay;
+    }
+
+    public void setHourOfDay(final int hourOfDay) {
+        this.hourOfDay = hourOfDay;
+    }
+}

rule-engines/openl-tablets/src/main/java/com/baeldung/openltablets/model/Greeting.java

@@ -0,0 +1,20 @@
+package com.baeldung.openltablets.model;
+
+public enum Greeting {
+
+    GOOD_MORNING("Good Morning"),
+    GOOD_AFTERNOON("Good Afternoon"),
+    GOOD_EVENING("Good Evening"),
+    GOOD_NIGHT("Good Night");
+
+    private final String literal;
+
+    private Greeting(final String literal) {
+        this.literal = literal;
+    }
+
+    public String getLiteral() {
+        return literal;
+    }
+
+}

rule-engines/openl-tablets/src/main/java/com/baeldung/openltablets/model/User.java

@@ -0,0 +1,14 @@
+package com.baeldung.openltablets.model;
+
+public class User {
+
+    private String name;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(final String name) {
+        this.name = name;
+    }
+}

rule-engines/openl-tablets/src/main/java/com/baeldung/openltablets/rules/IRule.java

@@ -0,0 +1,7 @@
+package com.baeldung.openltablets.rules;
+
+import com.baeldung.openltablets.model.Case;
+
+public interface IRule {
+    void helloUser(final Case aCase, final Response response);
+}

rule-engines/openl-tablets/src/main/java/com/baeldung/openltablets/rules/Main.java

@@ -0,0 +1,31 @@
+package com.baeldung.openltablets.rules;
+
+
+import java.time.LocalDateTime;
+
+import org.openl.rules.runtime.RulesEngineFactory;
+import org.openl.runtime.EngineFactory;
+
+import com.baeldung.openltablets.model.Case;
+import com.baeldung.openltablets.model.User;
+
+public class Main {
+    private IRule instance;
+
+    public static void main(String[] args) {
+        Main rules = new Main();
+        User user = new User();
+        user.setName("Donald Duck");
+        Case aCase = new Case();
+        aCase.setUser(user);
+        aCase.setHourOfDay(23);
+        rules.process(aCase);
+    }
+
+    public void process(Case aCase) {
+        final EngineFactory<IRule> engineFactory = new RulesEngineFactory<IRule>(getClass().getClassLoader()
+            .getResource("openltablets/HelloUser.xls"), IRule.class);
+        instance = engineFactory.newEngineInstance();
+        instance.helloUser(aCase, new Response());
+    }
+}

rule-engines/openl-tablets/src/main/java/com/baeldung/openltablets/rules/Response.java

@@ -0,0 +1,24 @@
+package com.baeldung.openltablets.rules;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class Response {
+    private String result;
+    private Map<String, String> map = new HashMap<>();
+    
+    public Response() { }
+    
+    public String getResult() {
+        return result;
+    }
+
+    public void setResult(final String s) {
+        result = s;
+    }
+
+    public Map<String, String> getMap() {
+        return map;
+    }
+
+}