Example usage for com.amazonaws.services.dynamodbv2.model ProvisionedThroughput ProvisionedThroughput

Introduction

In this page you can find the example usage for com.amazonaws.services.dynamodbv2.model ProvisionedThroughput ProvisionedThroughput.

Prototype

public ProvisionedThroughput(Long readCapacityUnits, Long writeCapacityUnits) 

Source Link

Document

Constructs a new ProvisionedThroughput object.

Usage

From source file:DynamoDBUtils.java

License:Open Source License

/**
 * Creates the Amazon DynamoDB table if it does not already exist and have the correct schema. Then it
 * waits for the table to become active.
 *
 * @param client/* w  ww  .  j a  v  a 2 s . co  m*/
 *        The {@link AmazonDynamoDBClient} with Amazon DynamoDB read and write privileges
 * @param tableName
 *        The Amazon DynamoDB table to create
 * @param key
 *        The Amazon DynamoDB table hashkey
 * @param readCapacityUnits
 *        Number of read capacity units for the Amazon DynamoDB table
 * @param writeCapacityUnits
 *        Number of write capacity units for the Amazon DynamoDB table
 * @throws IllegalStateException
 *         Table already exists and schema does not match
 * @throws IllegalStateException
 *         Table is already getting created
 */
public static void createTable(AmazonDynamoDBClient client, String tableName, String key,
        long readCapacityUnits, long writeCapacityUnits) {
    if (tableExists(client, tableName)) {
        if (tableHasCorrectSchema(client, tableName, key)) {
            waitForActive(client, tableName);
            return;
        } else {
            throw new IllegalStateException("Table already exists and schema does not match");
        }

    }
    CreateTableRequest createTableRequest = new CreateTableRequest();
    createTableRequest.setTableName(tableName);
    createTableRequest.setKeySchema(Arrays.asList(new KeySchemaElement(key, KeyType.HASH)));
    createTableRequest
            .setProvisionedThroughput(new ProvisionedThroughput(readCapacityUnits, writeCapacityUnits));
    createTableRequest
            .setAttributeDefinitions(Arrays.asList(new AttributeDefinition(key, ScalarAttributeType.S)));
    try {
        client.createTable(createTableRequest);
    } catch (ResourceInUseException e) {
        throw new IllegalStateException("The table may already be getting created.", e);
    }
    LOG.info("Table " + tableName + " created");
    waitForActive(client, tableName);
}

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From source file:CreateUserLoginTable.java

License:Open Source License

public static void main(String[] args) throws Exception {

    AmazonDynamoDBClient client = new AmazonDynamoDBClient(new ProfileCredentialsProvider());

    DynamoDB dynamoDB = new DynamoDB(client);

    String tableName = "UserLogin";

    try {/*from   w w w .j  ava  2  s .c om*/
        System.out.println("Attempting to create table; please wait...");
        Table table = dynamoDB.createTable(tableName,
                Arrays.asList(new KeySchemaElement("UserID", KeyType.HASH)), //Partition key
                Arrays.asList(new AttributeDefinition("UserID", ScalarAttributeType.N)),
                new ProvisionedThroughput(10L, 10L));
        table.waitForActive();
        System.out.println("Success.  Table status: " + table.getDescription().getTableStatus());

    } catch (Exception e) {
        System.err.println("Unable to create table: ");
        System.err.println(e.getMessage());
    }
}

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From source file:CreateUserFavoritesTable.java

License:Open Source License

public static void main(String[] args) throws Exception {

    AmazonDynamoDBClient client = new AmazonDynamoDBClient(new ProfileCredentialsProvider());

    DynamoDB dynamoDB = new DynamoDB(client);

    String tableName = "UserFavorites";

    try {//from w  w w .  ja va 2  s . c om
        System.out.println("Attempting to create table; please wait...");
        Table table = dynamoDB.createTable(tableName,
                Arrays.asList(new KeySchemaElement("UserID", KeyType.HASH)), //Partition key
                Arrays.asList(new AttributeDefinition("UserID", ScalarAttributeType.N)),
                new ProvisionedThroughput(10L, 10L));
        table.waitForActive();
        System.out.println("Success.  Table status: " + table.getDescription().getTableStatus());

    } catch (Exception e) {
        System.err.println("Unable to create table: ");
        System.err.println(e.getMessage());
    }
}

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From source file:CreateUserInfoTable.java

License:Open Source License

public static void main(String[] args) throws Exception {

    AmazonDynamoDBClient client = new AmazonDynamoDBClient(new ProfileCredentialsProvider());

    DynamoDB dynamoDB = new DynamoDB(client);

    String tableName = "UserInfo";

    try {/*from   w w  w .j  ava2s.  c o m*/
        System.out.println("Attempting to create table; please wait...");
        Table table = dynamoDB.createTable(tableName,
                Arrays.asList(new KeySchemaElement("UserID", KeyType.HASH)), //Partition key
                Arrays.asList(new AttributeDefinition("UserID", ScalarAttributeType.N)),
                new ProvisionedThroughput(10L, 10L));
        table.waitForActive();
        System.out.println("Success.  Table status: " + table.getDescription().getTableStatus());

    } catch (Exception e) {
        System.err.println("Unable to create table: ");
        System.err.println(e.getMessage());
    }
}

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From source file:CreateUserRoutesTable.java

License:Open Source License

public static void main(String[] args) throws Exception {

    AmazonDynamoDBClient client = new AmazonDynamoDBClient(new ProfileCredentialsProvider());

    DynamoDB dynamoDB = new DynamoDB(client);

    String tableName = "UserRoutes";

    try {/* w ww.  j  a  v a  2s . com*/
        System.out.println("Attempting to create table; please wait...");
        Table table = dynamoDB.createTable(tableName,
                Arrays.asList(new KeySchemaElement("UserID", KeyType.HASH)), //Partition key
                Arrays.asList(new AttributeDefinition("UserID", ScalarAttributeType.N)),
                new ProvisionedThroughput(10L, 10L));
        table.waitForActive();
        System.out.println("Success.  Table status: " + table.getDescription().getTableStatus());

    } catch (Exception e) {
        System.err.println("Unable to create table: ");
        System.err.println(e.getMessage());
    }
}

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From source file:aws.example.dynamodb.CreateTable.java

License:Open Source License

public static void main(String[] args) {
    final String USAGE = "\n" + "Usage:\n" + "    CreateTable <table>\n\n" + "Where:\n"
            + "    table - the table to create.\n\n" + "Example:\n" + "    CreateTable HelloTable\n";

    if (args.length < 1) {
        System.out.println(USAGE);
        System.exit(1);// w  w  w  . ja v  a2  s.c o m
    }

    /* Read the name from command args */
    String table_name = args[0];

    System.out.format("Creating table \"%s\" with a simple primary key: \"Name\".\n", table_name);

    CreateTableRequest request = new CreateTableRequest()
            .withAttributeDefinitions(new AttributeDefinition("Name", ScalarAttributeType.S))
            .withKeySchema(new KeySchemaElement("Name", KeyType.HASH))
            .withProvisionedThroughput(new ProvisionedThroughput(new Long(10), new Long(10)))
            .withTableName(table_name);

    final AmazonDynamoDBClient ddb = new AmazonDynamoDBClient();

    try {
        CreateTableResult result = ddb.createTable(request);
    } catch (AmazonServiceException e) {
        System.err.println(e.getErrorMessage());
        System.exit(1);
    }
    System.out.println("Done!");
}

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From source file:aws.example.dynamodb.CreateTableCompositeKey.java

License:Open Source License

public static void main(String[] args) {
    final String USAGE = "\n" + "Usage:\n" + "    CreateTable <table>\n\n" + "Where:\n"
            + "    table - the table to create.\n\n" + "Example:\n" + "    CreateTable GreetingsTable\n";

    if (args.length < 1) {
        System.out.println(USAGE);
        System.exit(1);/*from w w  w  .  j  av  a2 s . c  o m*/
    }

    /* Read the name from command args */
    String table_name = args[0];

    System.out.format("Creating table %s\n with a composite primary key:\n");
    System.out.format("* Language - partition key\n");
    System.out.format("* Greeting - sort key\n");

    CreateTableRequest request = new CreateTableRequest()
            .withAttributeDefinitions(new AttributeDefinition("Language", ScalarAttributeType.S),
                    new AttributeDefinition("Greeting", ScalarAttributeType.S))
            .withKeySchema(new KeySchemaElement("Language", KeyType.HASH),
                    new KeySchemaElement("Greeting", KeyType.RANGE))
            .withProvisionedThroughput(new ProvisionedThroughput(new Long(10), new Long(10)))
            .withTableName(table_name);

    final AmazonDynamoDBClient ddb = new AmazonDynamoDBClient();

    try {
        CreateTableResult result = ddb.createTable(request);
    } catch (AmazonServiceException e) {
        System.err.println(e.getErrorMessage());
        System.exit(1);
    }
    System.out.println("Done!");
}

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From source file:aws.example.dynamodb.Query.java

License:Open Source License

public static void main(String[] args) {
    final String USAGE = "\n" + "Usage:\n" + "    Query <table> <read> <write>\n\n" + "Where:\n"
            + "    table - the table to put the item in.\n"
            + "    read  - the new read capacity of the table.\n"
            + "    write - the new write capacity of the table.\n\n" + "Example:\n"
            + "    Query HelloTable 16 10\n";

    if (args.length < 3) {
        System.out.println(USAGE);
        System.exit(1);/*w  ww.  ja v a 2s  .  c  o m*/
    }

    String table_name = args[0];
    Long read_capacity = Long.parseLong(args[1]);
    Long write_capacity = Long.parseLong(args[2]);

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

    ProvisionedThroughput table_throughput = new ProvisionedThroughput(read_capacity, write_capacity);

    final AmazonDynamoDBClient ddb = new AmazonDynamoDBClient();

    try {
        ddb.updateTable(table_name, table_throughput);
    } catch (AmazonServiceException e) {
        System.err.println(e.getErrorMessage());
        System.exit(1);
    }
    System.out.println("Done!");
}

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From source file:aws.example.dynamodb.UpdateTable.java

License:Open Source License

public static void main(String[] args) {
    final String USAGE = "\n" + "Usage:\n" + "    UpdateTable <table> <read> <write>\n\n" + "Where:\n"
            + "    table - the table to put the item in.\n"
            + "    read  - the new read capacity of the table.\n"
            + "    write - the new write capacity of the table.\n\n" + "Example:\n"
            + "    UpdateTable HelloTable 16 10\n";

    if (args.length < 3) {
        System.out.println(USAGE);
        System.exit(1);/*  w  ww .j a v  a  2s .c om*/
    }

    String table_name = args[0];
    Long read_capacity = Long.parseLong(args[1]);
    Long write_capacity = Long.parseLong(args[2]);

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

    ProvisionedThroughput table_throughput = new ProvisionedThroughput(read_capacity, write_capacity);

    final AmazonDynamoDBClient ddb = new AmazonDynamoDBClient();

    try {
        ddb.updateTable(table_name, table_throughput);
    } catch (AmazonServiceException e) {
        System.err.println(e.getErrorMessage());
        System.exit(1);
    }
    System.out.println("Done!");
}

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From source file:com.alertlogic.aws.analytics.poc.DynamoDBUtils.java

License:Open Source License

/**
 * Creates the table to store our counts in with a hash key of "resource" and a range key of "timestamp" so we can
 * query counts for a given resource by time. This uses an initial provisioned throughput of 10 read capacity units
 * and 5 write capacity units// www.ja v  a 2  s . c  o  m
 *
 * @param tableName The name of the table to create.
 */
public void createCountTableIfNotExists(String tableName) {
    List<KeySchemaElement> ks = new ArrayList<>();
    ks.add(new KeySchemaElement().withKeyType(KeyType.HASH).withAttributeName(ATTRIBUTE_NAME_HASH_KEY));
    ks.add(new KeySchemaElement().withKeyType(KeyType.RANGE).withAttributeName(ATTRIBUTE_NAME_RANGE_KEY));

    ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<>();
    attributeDefinitions.add(new AttributeDefinition().withAttributeName(ATTRIBUTE_NAME_HASH_KEY)
            .withAttributeType(ScalarAttributeType.S));
    // Range key must be a String. DynamoDBMapper translates Dates to ISO8601 strings.
    attributeDefinitions.add(new AttributeDefinition().withAttributeName(ATTRIBUTE_NAME_RANGE_KEY)
            .withAttributeType(ScalarAttributeType.S));

    // Create the table with enough write IOPS to handle 5 distinct resources updated every 1 second:
    // 1 update/second * 5 resources = 5 write IOPS.
    // The provisioned throughput will need to be adjusted if the cadinality of the input data or the interval for
    // updates changes.
    CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName)
            .withProvisionedThroughput(new ProvisionedThroughput(10L, 5L)).withKeySchema(ks)
            .withAttributeDefinitions(attributeDefinitions);

    try {
        dynamoDB.createTable(createTableRequest);

        LOG.info(String.format("Created DynamoDB table: %s. Waiting up to 5 minutes for it to become ACTIVE...",
                tableName));
        // Wait 5 minutes for the table to become ACTIVE
        if (!waitUntilTableIsActive(tableName, 10, TimeUnit.MINUTES.toSeconds(5))) {
            throw new IllegalStateException(
                    String.format("Timed out while waiting for DynamoDB table %s to become ready", tableName));
        }
    } catch (ResourceInUseException ex) {
        // Assume table exists and is ready to use
    }
}

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