Examples with KeySchemaElement software.amazon.awssdk.services.dynamodb.model.KeySchemaElement used on opensource projects

Example 1 with KeySchemaElement

use of software.amazon.awssdk.services.dynamodb.model.KeySchemaElement in project aws-doc-sdk-examples by awsdocs.

the class Scenario method createTable.

// snippet-start:[dynamodb.java2.scenario.create_table.main]
// Create a table with a Sort key.
public static void createTable(DynamoDbClient ddb, String tableName) {
    DynamoDbWaiter dbWaiter = ddb.waiter();
    ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
    // Define attributes.
    attributeDefinitions.add(AttributeDefinition.builder().attributeName("year").attributeType("N").build());
    attributeDefinitions.add(AttributeDefinition.builder().attributeName("title").attributeType("S").build());
    ArrayList<KeySchemaElement> tableKey = new ArrayList<KeySchemaElement>();
    KeySchemaElement key = KeySchemaElement.builder().attributeName("year").keyType(KeyType.HASH).build();
    KeySchemaElement key2 = KeySchemaElement.builder().attributeName("title").keyType(// Sort
    KeyType.RANGE).build();
    // Add KeySchemaElement objects to the list.
    tableKey.add(key);
    tableKey.add(key2);
    CreateTableRequest request = CreateTableRequest.builder().keySchema(tableKey).provisionedThroughput(ProvisionedThroughput.builder().readCapacityUnits(new Long(10)).writeCapacityUnits(new Long(10)).build()).attributeDefinitions(attributeDefinitions).tableName(tableName).build();
    try {
        CreateTableResponse response = ddb.createTable(request);
        DescribeTableRequest tableRequest = DescribeTableRequest.builder().tableName(tableName).build();
        // Wait until the Amazon DynamoDB table is created.
        WaiterResponse<DescribeTableResponse> waiterResponse = dbWaiter.waitUntilTableExists(tableRequest);
        waiterResponse.matched().response().ifPresent(System.out::println);
        String newTable = response.tableDescription().tableName();
        System.out.println("The " + newTable + " was successfully created.");
    } catch (DynamoDbException e) {
        System.err.println(e.getMessage());
        System.exit(1);
    }
}