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UpdateTable

Pragya Keshap answered on February 13, 2023 Popularity 3/10 Helpfulness 1/10

answer UpdateTable

UpdateTable

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public class UpdateTable {

    public static void main(String[] args) {
        final String usage = "\n" +
            "Usage:\n" +
            "    <tableName> <readCapacity> <writeCapacity>\n\n" +
            "Where:\n" +
            "    tableName - The Amazon DynamoDB table to update (for example, Music3).\n" +
            "    readCapacity  - The new read capacity of the table (for example, 16).\n" +
            "    writeCapacity - The new write capacity of the table (for example, 10).\n\n" +
            "Example:\n" +
            "    UpdateTable Music3 16 10\n";

        if (args.length != 3) {
            System.out.println(usage);
            System.exit(1);
        }

        String tableName = args[0];
        Long readCapacity = Long.parseLong(args[1]);
        Long writeCapacity = Long.parseLong(args[2]);

        ProfileCredentialsProvider credentialsProvider = ProfileCredentialsProvider.create();
        Region region = Region.US_EAST_1;
        DynamoDbClient ddb = DynamoDbClient.builder()
            .credentialsProvider(credentialsProvider)
            .region(region)
            .build();

        updateDynamoDBTable(ddb, tableName, readCapacity, writeCapacity);
        ddb.close();
    }

    // snippet-start:[dynamodb.java2.update_table.main]
    public static void updateDynamoDBTable(DynamoDbClient ddb, String tableName, Long readCapacity, Long writeCapacity) {

        System.out.format("Updating %s with new provisioned throughput values\n", tableName);
        System.out.format("Read capacity : %d\n", readCapacity);
        System.out.format("Write capacity : %d\n", writeCapacity);

        ProvisionedThroughput tableThroughput = ProvisionedThroughput.builder()
            .readCapacityUnits(readCapacity)
            .writeCapacityUnits(writeCapacity)
            .build();

        UpdateTableRequest request = UpdateTableRequest.builder()
            .provisionedThroughput(tableThroughput)
            .tableName(tableName)
            .build();

        try {
            ddb.updateTable(request);
        } catch (DynamoDbException e) {
            System.err.println(e.getMessage());
            System.exit(1);
        }
        System.out.println("Done!");
    }
    // snippet-end:[dynamodb.java2.update_table.main]
}

https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_UpdateTable.html

Popularity 3/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java

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Contributed on Feb 13 2023

Pragya Keshap

0 Answers Avg Quality 2/10

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