//snippet-sourcedescription:[DynamoDbBeanExample.java demonstrates how to use the @DynamoDbBean annotation.]
//snippet-keyword:[SDK for Java 2.0]
//snippet-keyword:[Code Sample]
//snippet-service:[dynamodb]
//snippet-sourcetype:[full-example]
//snippet-sourcedate:[4/8/2020]
//snippet-sourceauthor:[scmacdon-aws]

/*
   Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
   This file is licensed under the Apache License, Version 2.0 (the "License").
   You may not use this file except in compliance with the License. A copy of
   the License is located at
    http://aws.amazon.com/apache2.0/
   This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
   CONDITIONS OF ANY KIND, either express or implied. See the License for the
   specific language governing permissions and limitations under the License.

 */

package com.example.enhanced.dynamodb;

// snippet-start:[dynamodb.java2.enhanced.dbbean.import]
import software.amazon.awssdk.enhanced.dynamodb.DynamoDbEnhancedClient;
import software.amazon.awssdk.enhanced.dynamodb.DynamoDbTable;
import software.amazon.awssdk.enhanced.dynamodb.TableSchema;
import software.amazon.awssdk.enhanced.dynamodb.mapper.annotations.DynamoDbSortKey;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.dynamodb.DynamoDbClient;
import software.amazon.awssdk.services.dynamodb.model.DynamoDbException;
import software.amazon.awssdk.enhanced.dynamodb.mapper.annotations.DynamoDbBean;
import software.amazon.awssdk.enhanced.dynamodb.mapper.annotations.DynamoDbPartitionKey;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneOffset;
// snippet-end:[dynamodb.java2.enhanced.dbbean.import]

public class DynamoDbBeanExample {

    public static void main(String[] args) {

        //Create a DynamoDbClient object
        Region region = Region.US_EAST_1;
        DynamoDbClient ddb = DynamoDbClient.builder()
                .region(region)
                .build();

        // Create a DynamoDbEnhancedClient and use the DynamoDbClient object
        DynamoDbEnhancedClient enhancedClient = DynamoDbEnhancedClient.builder()
                .dynamoDbClient(ddb)
                .build();

        putRecord(enhancedClient) ;
    }

    // snippet-start:[dynamodb.java2.enhanced.dbbean.main]
    // Puts an item into a DynamoDB table
    public static void putRecord(DynamoDbEnhancedClient enhancedClient) {

        try {
            //Create a DynamoDbTable object
            DynamoDbTable<Customer> custTable = enhancedClient.table("Customer", TableSchema.fromBean(Customer.class));

            //Create am Instat
            LocalDate localDate = LocalDate.parse("2020-04-08");
            LocalDateTime localDateTime = localDate.atStartOfDay();
            Instant instant = localDateTime.toInstant(ZoneOffset.UTC);

            //Populate the Table
            Customer custRecord = new Customer();
            custRecord.setCustName("Tom Blue");
            custRecord.setId("id101");
            custRecord.setEmail("tblue@noserver.com");
            custRecord.setRegistrationDate(instant) ;

            //Put the customer data into a DynamoDB table
            custTable.putItem(custRecord);

        } catch (DynamoDbException e) {
            System.err.println(e.getMessage());
            System.exit(1);
        }
        System.out.println("done");
    }


    //Create the Customer table
    @DynamoDbBean
    public static class Customer {

        private String id;
        private String name;
        private String email;
        private Instant regDate;

        @DynamoDbPartitionKey
        public String getId() {
            return this.id;
         };

        public void setId(String id) {

            this.id = id;
        }

        @DynamoDbSortKey
        public String getCustName() {
            return this.name;

        }

       public void setCustName(String name) {

            this.name = name;
        }

        public String getEmail() {
            return this.email;
        }

        public void setEmail(String email) {

            this.email = email;
        }

        public Instant getRegistrationDate() {

            return this.regDate;
        }
        public void setRegistrationDate(Instant registrationDate) {

            this.regDate = registrationDate;
        }
    }
    // snippet-end:[dynamodb.java2.enhanced.dbbean.main]
}

Create DynamoDbBeanExample.java