provide an initial module and stubs (#79)

Author: sergejsvisockis

active-record/README.md

@@ -0,0 +1,30 @@
+--- # this is so-called 'YAML front matter' used to categorize the patterns and format the web pages. Fill it as follows:
+title: Best Pattern Ever # the properly formatted title
+category: Creational # usable categories and tags are listed here: https://github.com/iluwatar/java-design-patterns/wiki/07.-Categories-and-Tags
+language: en # Provide the language in which the pattern is done. Mostly it is in English, so we would put *en* over here.
+tag:
+- awesome # usable categories and tags are listed here: https://github.com/iluwatar/java-design-patterns/wiki/07.-Categories-and-Tags
+- blue
+---
+
+## Name / classification
+
+## Also known as
+
+## Intent
+
+## Explanation
+
+## Class diagram
+
+## Applicability
+
+## Tutorials
+
+## Known uses
+
+## Consequences
+
+## Related patterns
+
+## Credits

active-record/etc/active-record.urm.puml

@@ -0,0 +1,3 @@
+@startuml
+
+@enduml

active-record/pom.xml

@@ -0,0 +1,56 @@
+<?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>
+  <parent>
+    <groupId>com.iluwatar</groupId>
+    <artifactId>java-design-patterns</artifactId>
+    <version>1.26.0-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>active-record</artifactId>
+
+  <properties>
+    <maven.compiler.source>17</maven.compiler.source>
+    <maven.compiler.target>17</maven.compiler.target>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-engine</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.h2database</groupId>
+      <artifactId>h2</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.mockito</groupId>
+      <artifactId>mockito-core</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-assembly-plugin</artifactId>
+        <executions>
+          <execution>
+            <configuration>
+              <archive>
+                <manifest>
+                  <mainClass>com.iluwatar.dao.App</mainClass>
+                </manifest>
+              </archive>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>

active-record/src/main/java/com/iluwatar/activerecord/Customer.java

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+package com.iluwatar.activerecord;
+
+import java.util.List;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@RequiredArgsConstructor
+@EqualsAndHashCode(onlyExplicitlyIncluded = true)
+public class Customer {
+
+    private Long id;
+    private String customerNumber;
+    private String firstName;
+    private String lastName;
+    private List<Order> orders;
+
+    public Customer findById(Long id) {
+        return new Customer();
+    }
+
+    public Customer findByNumber(String customerNumber) {
+        return new Customer();
+    }
+
+    public List<Customer> findAll() {
+        return List.of();
+    }
+
+    public void save(Customer customer) {
+
+    }
+
+}

active-record/src/main/java/com/iluwatar/activerecord/Order.java

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+package com.iluwatar.activerecord;
+
+import lombok.AllArgsConstructor;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@EqualsAndHashCode(onlyExplicitlyIncluded = true)
+@NoArgsConstructor
+@AllArgsConstructor
+public class Order {
+
+    private Long id;
+    private String orderNumber;
+}

active-record/src/main/java/com/iluwatar/activerecord/RecordBase.java

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+package com.iluwatar.activerecord;
+
+import javax.sql.DataSource;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+public abstract class RecordBase {
+
+  private final DataSource dataSource;
+
+}

pom.xml

@@ -215,6 +215,7 @@
     <module>single-table-inheritance</module>
     <module>dynamic-proxy</module>
     <module>gateway</module>
+    <module>active-record</module>
   </modules>
   <repositories>
     <repository>