[JAVA-23452] Moved dynamodb to a separate module
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/target/
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.idea/
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## AWS DYNAMODB
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This module contains articles about AWS DynamoDB
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### Relevant articles
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- [Integration Testing with a Local DynamoDB Instance](https://www.baeldung.com/dynamodb-local-integration-tests)
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>aws-dynamodb</artifactId>
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<version>0.1.0-SNAPSHOT</version>
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<name>aws-dynamodb</name>
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<packaging>jar</packaging>
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<parent>
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<groupId>com.baeldung</groupId>
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<artifactId>aws-modules</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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</parent>
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<dependencies>
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<dependency>
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<groupId>commons-io</groupId>
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<artifactId>commons-io</artifactId>
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<version>${commons-io.version}</version>
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</dependency>
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<dependency>
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<groupId>com.google.code.gson</groupId>
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<artifactId>gson</artifactId>
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<version>${gson.version}</version>
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</dependency>
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<dependency>
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<groupId>com.amazonaws</groupId>
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<artifactId>DynamoDBLocal</artifactId>
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<version>${dynamodblocal.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.amazonaws</groupId>
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<artifactId>aws-java-sdk-dynamodb</artifactId>
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<version>${aws-java-sdk.version}</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>${maven-shade-plugin.version}</version>
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<configuration>
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<createDependencyReducedPom>false</createDependencyReducedPom>
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</configuration>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-dependency-plugin</artifactId>
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<version>${maven-plugins-version}</version>
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<executions>
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<execution>
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<id>copy</id>
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<phase>compile</phase>
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<goals>
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<goal>copy-dependencies</goal>
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</goals>
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<configuration>
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<includeScope></includeScope>
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<includeTypes>so,dll,dylib</includeTypes>
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<outputDirectory>native-libs</outputDirectory>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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<properties>
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<gson.version>2.8.0</gson.version>
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<dynamodblocal.version>1.21.1</dynamodblocal.version>
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<commons-codec-version>1.10.L001</commons-codec-version>
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<jets3t-version>0.9.4.0006L</jets3t-version>
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<maven-plugins-version>3.1.1</maven-plugins-version>
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</properties>
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</project>
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package com.baeldung.dynamodb.entity;
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import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBAttribute;
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import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBAutoGeneratedKey;
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import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBHashKey;
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import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBTable;
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@DynamoDBTable(tableName = "ProductInfo")
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public class ProductInfo {
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private String id;
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private String msrp;
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private String cost;
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public ProductInfo() {
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}
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public ProductInfo(String cost, String msrp) {
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this.msrp = msrp;
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this.cost = cost;
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}
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@DynamoDBHashKey
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@DynamoDBAutoGeneratedKey
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public String getId() {
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return id;
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}
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@DynamoDBAttribute
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public String getMsrp() {
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return msrp;
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}
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@DynamoDBAttribute
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public String getCost() {
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return cost;
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}
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public void setId(String id) {
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this.id = id;
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}
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public void setMsrp(String msrp) {
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this.msrp = msrp;
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}
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public void setCost(String cost) {
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this.cost = cost;
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}
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}
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package com.baeldung.dynamodb.repository;
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import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapper;
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import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBScanExpression;
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import java.io.Serializable;
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import java.lang.reflect.ParameterizedType;
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import java.util.List;
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public abstract class AbstractRepository<T, ID extends Serializable> {
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protected DynamoDBMapper mapper;
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protected Class<T> entityClass;
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protected AbstractRepository() {
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ParameterizedType genericSuperclass = (ParameterizedType) getClass().getGenericSuperclass();
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// This entityClass refers to the actual entity class in the subclass declaration.
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// For instance, ProductInfoDAO extends AbstractDAO<ProductInfo, String>
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// In this case entityClass = ProductInfo, and ID is String type
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// which refers to the ProductInfo's partition key string value
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this.entityClass = (Class<T>) genericSuperclass.getActualTypeArguments()[0];
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}
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public void save(T t) {
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mapper.save(t);
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}
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public T findOne(ID id) {
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return mapper.load(entityClass, id);
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}
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/**
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* <strong>WARNING:</strong> It is not recommended to perform full table scan
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* targeting the real production environment.
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*
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* @return All items
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*/
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public List<T> findAll() {
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DynamoDBScanExpression scanExpression = new DynamoDBScanExpression();
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return mapper.scan(entityClass, scanExpression);
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}
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public void setMapper(DynamoDBMapper dynamoDBMapper) {
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this.mapper = dynamoDBMapper;
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}
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}
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package com.baeldung.dynamodb.repository;
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import com.baeldung.dynamodb.entity.ProductInfo;
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public class ProductInfoRepository extends AbstractRepository<ProductInfo, String> {
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}
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db_hostname=<RDS EndPoint>
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db_username=username
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db_password=password
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db_database=mydb
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<?xml version="1.0" encoding="UTF-8"?>
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<configuration>
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<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
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<encoder>
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<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
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</pattern>
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</encoder>
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</appender>
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<root level="INFO">
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<appender-ref ref="STDOUT" />
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</root>
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</configuration>
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<artifactId>gson</artifactId>
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<version>${gson.version}</version>
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</dependency>
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<dependency>
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<groupId>com.amazonaws</groupId>
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<artifactId>DynamoDBLocal</artifactId>
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<version>${dynamodblocal.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.amazonaws</groupId>
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<artifactId>aws-java-sdk-dynamodb</artifactId>
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<version>${aws-java-sdk.version}</version>
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</dependency>
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</dependencies>
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<build>
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@ -5,6 +5,14 @@
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<modelVersion>4.0.0</modelVersion>
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<artifactId>aws-modules</artifactId>
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<name>aws-modules</name>
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<dependencies>
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<dependency>
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<groupId>com.amazonaws</groupId>
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<artifactId>aws-java-sdk-dynamodb</artifactId>
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<version>1.12.523</version>
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<scope>compile</scope>
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</dependency>
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</dependencies>
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<packaging>pom</packaging>
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<parent>
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<modules>
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<module>aws-app-sync</module>
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<module>aws-dynamodb</module>
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<module>aws-lambda-modules</module>
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<module>aws-miscellaneous</module>
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<module>aws-reactive</module>
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