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

Introduction

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

Prototype

public KeySchemaElement(String attributeName, KeyType keyType) 

Source Link

Document

Constructs a new KeySchemaElement 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  w w .  j a v  a 2s .  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  a  va 2 s  .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: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 {/* 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  .  jav a 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: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 {/*from ww  w .java 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: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);//from  ww  w . java2  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);/*w w  w . j  a va2s.co  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:com.amazon.services.awsrum.utils.DynamoDBUtils.java

License:Open Source License

public static void createTable(AmazonDynamoDBClient client, String tableName, String key, String rangeKey,
        long readCapacityUnits, long writeCapacityUnits) {
    if (tableExists(client, tableName)) {
        if (tableHasCorrectSchema(client, tableName, key, rangeKey)) {
            waitForActive(client, tableName);
            return;
        } else {// ww w  .  j  a  v  a 2s.  c o  m
            LOG.error("Table already exists and schema does not match");
        }

    }
    CreateTableRequest createTableRequest = new CreateTableRequest();
    createTableRequest.setTableName(tableName);
    createTableRequest.setKeySchema(Arrays.asList(new KeySchemaElement(key, KeyType.HASH),
            new KeySchemaElement(rangeKey, KeyType.RANGE)));
    createTableRequest
            .setProvisionedThroughput(new ProvisionedThroughput(readCapacityUnits, writeCapacityUnits));
    createTableRequest
            .setAttributeDefinitions(Arrays.asList(new AttributeDefinition(key, ScalarAttributeType.S),
                    new AttributeDefinition(rangeKey, ScalarAttributeType.N)));
    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:com.clicktravel.infrastructure.persistence.aws.dynamodb.integration.DynamoDbDataGenerator.java

License:Apache License

void createStubItemTable() throws Exception {
    final String tableName = unitTestSchemaName + "." + stubItemTableName;
    boolean tableCreated = false;
    try {/*  w w  w.j  av  a 2s. com*/
        final DescribeTableResult result = amazonDynamoDbClient.describeTable(tableName);
        if (isTableCreated(tableName, result)) {
            tableCreated = true;
        }
    } catch (final ResourceNotFoundException e) {
        tableCreated = false;
    }
    if (!tableCreated) {
        final Collection<AttributeDefinition> attributeDefinitions = new ArrayList<>();
        attributeDefinitions.add(new AttributeDefinition("id", ScalarAttributeType.S));
        final Collection<KeySchemaElement> keySchema = new ArrayList<>();
        keySchema.add(new KeySchemaElement("id", "S").withKeyType(KeyType.HASH));
        final CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName)
                .withAttributeDefinitions(attributeDefinitions).withKeySchema(keySchema)
                .withProvisionedThroughput(new ProvisionedThroughput(10L, 10L));
        amazonDynamoDbClient.createTable(createTableRequest);

        final long startTime = System.currentTimeMillis();
        do {
            Thread.sleep(1000);
            final DescribeTableResult describeTableResult = amazonDynamoDbClient.describeTable(tableName);
            tableCreated = isTableCreated(tableName, describeTableResult);
        } while (!tableCreated && System.currentTimeMillis() - startTime < 60000);
    }
}

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From source file:com.clicktravel.infrastructure.persistence.aws.dynamodb.integration.DynamoDbDataGenerator.java

License:Apache License

void createStubItemWithRangeTable() throws Exception {
    final String tableName = unitTestSchemaName + "." + stubItemWithRangeTableName;
    boolean tableCreated = false;
    try {//from w ww.j  a v a2s.c om
        final DescribeTableResult result = amazonDynamoDbClient.describeTable(tableName);
        if (isTableCreated(tableName, result)) {
            tableCreated = true;
        }
    } catch (final ResourceNotFoundException e) {
        tableCreated = false;
    }
    if (!tableCreated) {
        final Collection<AttributeDefinition> attributeDefinitions = new ArrayList<>();
        attributeDefinitions.add(new AttributeDefinition("id", ScalarAttributeType.S));
        attributeDefinitions.add(new AttributeDefinition("supportingId", ScalarAttributeType.S));
        final Collection<KeySchemaElement> keySchema = new ArrayList<>();
        keySchema.add(new KeySchemaElement("id", "S").withKeyType(KeyType.HASH));
        keySchema.add(new KeySchemaElement("supportingId", "S").withKeyType(KeyType.RANGE));
        final CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName)
                .withAttributeDefinitions(attributeDefinitions).withKeySchema(keySchema)
                .withProvisionedThroughput(new ProvisionedThroughput(10L, 10L));
        amazonDynamoDbClient.createTable(createTableRequest);

        final long startTime = System.currentTimeMillis();
        do {
            Thread.sleep(1000);
            final DescribeTableResult describeTableResult = amazonDynamoDbClient.describeTable(tableName);
            tableCreated = isTableCreated(tableName, describeTableResult);
        } while (!tableCreated && System.currentTimeMillis() - startTime < 60000);
    }
}

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