[JAVA-23452] Moved dynamodb to a separate module

aws-modules/aws-dynamodb/.gitignore

@@ -0,0 +1,2 @@
+/target/
+.idea/

aws-modules/aws-dynamodb/README.md

@@ -0,0 +1,7 @@
+## AWS DYNAMODB
+
+This module contains articles about AWS DynamoDB
+
+### Relevant articles
+- [Integration Testing with a Local DynamoDB Instance](https://www.baeldung.com/dynamodb-local-integration-tests)
+

aws-modules/aws-dynamodb/pom.xml

@@ -0,0 +1,89 @@
+<?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>aws-dynamodb</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <name>aws-dynamodb</name>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>aws-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>${commons-io.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+            <version>${gson.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.amazonaws</groupId>
+            <artifactId>DynamoDBLocal</artifactId>
+            <version>${dynamodblocal.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.amazonaws</groupId>
+            <artifactId>aws-java-sdk-dynamodb</artifactId>
+            <version>${aws-java-sdk.version}</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>${maven-shade-plugin.version}</version>
+                <configuration>
+                    <createDependencyReducedPom>false</createDependencyReducedPom>
+                </configuration>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <version>${maven-plugins-version}</version>
+                <executions>
+                    <execution>
+                        <id>copy</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>copy-dependencies</goal>
+                        </goals>
+                        <configuration>
+                            <includeScope></includeScope>
+                            <includeTypes>so,dll,dylib</includeTypes>
+                            <outputDirectory>native-libs</outputDirectory>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <gson.version>2.8.0</gson.version>
+        <dynamodblocal.version>1.21.1</dynamodblocal.version>
+        <commons-codec-version>1.10.L001</commons-codec-version>
+        <jets3t-version>0.9.4.0006L</jets3t-version>
+        <maven-plugins-version>3.1.1</maven-plugins-version>
+    </properties>
+
+</project>

aws-modules/aws-dynamodb/src/main/java/com/baeldung/dynamodb/entity/ProductInfo.java

@@ -0,0 +1,51 @@
+package com.baeldung.dynamodb.entity;
+
+import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBAttribute;
+import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBAutoGeneratedKey;
+import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBHashKey;
+import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBTable;
+
+@DynamoDBTable(tableName = "ProductInfo")
+public class ProductInfo {
+
+    private String id;
+    private String msrp;
+    private String cost;
+
+    public ProductInfo() {
+    }
+
+    public ProductInfo(String cost, String msrp) {
+        this.msrp = msrp;
+        this.cost = cost;
+    }
+
+    @DynamoDBHashKey
+    @DynamoDBAutoGeneratedKey
+    public String getId() {
+        return id;
+    }
+
+    @DynamoDBAttribute
+    public String getMsrp() {
+        return msrp;
+    }
+
+    @DynamoDBAttribute
+    public String getCost() {
+        return cost;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public void setMsrp(String msrp) {
+        this.msrp = msrp;
+    }
+
+    public void setCost(String cost) {
+        this.cost = cost;
+    }
+
+}

aws-modules/aws-dynamodb/src/main/java/com/baeldung/dynamodb/repository/AbstractRepository.java

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+package com.baeldung.dynamodb.repository;
+
+import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapper;
+import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBScanExpression;
+
+import java.io.Serializable;
+import java.lang.reflect.ParameterizedType;
+import java.util.List;
+
+public abstract class AbstractRepository<T, ID extends Serializable> {
+
+    protected DynamoDBMapper mapper;
+    protected Class<T> entityClass;
+
+    protected AbstractRepository() {
+        ParameterizedType genericSuperclass = (ParameterizedType) getClass().getGenericSuperclass();
+
+        // This entityClass refers to the actual entity class in the subclass declaration.
+
+        // For instance, ProductInfoDAO extends AbstractDAO<ProductInfo, String>
+        // In this case entityClass = ProductInfo, and ID is String type
+        // which refers to the ProductInfo's partition key string value
+        this.entityClass = (Class<T>) genericSuperclass.getActualTypeArguments()[0];
+    }
+
+    public void save(T t) {
+        mapper.save(t);
+    }
+
+    public T findOne(ID id) {
+        return mapper.load(entityClass, id);
+    }
+
+    /**
+     * <strong>WARNING:</strong> It is not recommended to perform full table scan
+     * targeting the real production environment.
+     *
+     * @return All items
+     */
+    public List<T> findAll() {
+        DynamoDBScanExpression scanExpression = new DynamoDBScanExpression();
+        return mapper.scan(entityClass, scanExpression);
+    }
+
+    public void setMapper(DynamoDBMapper dynamoDBMapper) {
+        this.mapper = dynamoDBMapper;
+    }
+
+}

aws-modules/aws-dynamodb/src/main/java/com/baeldung/dynamodb/repository/ProductInfoRepository.java

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+package com.baeldung.dynamodb.repository;
+
+import com.baeldung.dynamodb.entity.ProductInfo;
+
+public class ProductInfoRepository extends AbstractRepository<ProductInfo, String> {
+}

aws-modules/aws-dynamodb/src/main/resources/db.properties

@@ -0,0 +1,4 @@
+db_hostname=<RDS EndPoint>
+db_username=username
+db_password=password
+db_database=mydb

aws-modules/aws-dynamodb/src/main/resources/logback.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>

aws-modules/aws-miscellaneous/pom.xml

@@ -30,17 +30,6 @@
             <artifactId>gson</artifactId>
             <version>${gson.version}</version>
         </dependency>
-        <dependency>
-            <groupId>com.amazonaws</groupId>
-            <artifactId>DynamoDBLocal</artifactId>
-            <version>${dynamodblocal.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>com.amazonaws</groupId>
-            <artifactId>aws-java-sdk-dynamodb</artifactId>
-            <version>${aws-java-sdk.version}</version>
-        </dependency>
     </dependencies>
 
     <build>

aws-modules/pom.xml

@@ -5,6 +5,14 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>aws-modules</artifactId>
     <name>aws-modules</name>
+    <dependencies>
+        <dependency>
+            <groupId>com.amazonaws</groupId>
+            <artifactId>aws-java-sdk-dynamodb</artifactId>
+            <version>1.12.523</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
     <packaging>pom</packaging>
 
     <parent>
@@ -15,6 +23,7 @@
 
     <modules>
         <module>aws-app-sync</module>
+        <module>aws-dynamodb</module>
         <module>aws-lambda-modules</module>
         <module>aws-miscellaneous</module>
         <module>aws-reactive</module>