com.amazonaws.auth.PropertiesCredentials#com.amazonaws.services.dynamodbv2.model.KeySchemaElement源码实例Demo

public String getPrimaryKey(List<KeySchemaElement> keySchema){
    String partitionKey = null;
    String clusteringColumn = null;

    for (KeySchemaElement keySchemaElement : keySchema) {
        String type = keySchemaElement.getKeyType();
        String name = keySchemaElement.getAttributeName();
        if (type.equals(HASH.toString()))
            partitionKey = name;

        else if (type.equals(RANGE.toString()))
            clusteringColumn = name;
    }
    String primaryKey;
    if(clusteringColumn != null)
        primaryKey = String.format("((\"%s\"), \"%s\")", partitionKey, clusteringColumn);
    else
        primaryKey = String.format("(\"%s\")", partitionKey);

    return primaryKey;
}
 

@Override
public final Response createTable(final Request request) {

    final CreateTableRequest createTableRequest = new CreateTableRequest(
            Arrays.asList(
                    new AttributeDefinition(request.getPartitionKey(), ScalarAttributeType.S),
                    new AttributeDefinition(request.getSortKey(), ScalarAttributeType.N)),
            request.getTableName(),
            Arrays.asList(
                    new KeySchemaElement(request.getPartitionKey(), KeyType.HASH),
                    new KeySchemaElement(request.getSortKey(), KeyType.RANGE)),
            new ProvisionedThroughput(request.getReadCapacityUnits(), request.getWriteCapacityUnits()));

    TableUtils.createTableIfNotExists(this.dynamoDBClient, createTableRequest);

    try {
        TableUtils.waitUntilActive(this.dynamoDBClient, request.getTableName());
    } catch (final AmazonClientException | InterruptedException e) {
        return new Response(null, "Failed in table active check in API version V2: " + e.getMessage());
    }

    return new Response(request.getTableName() + " created with API version V2.", null);
}
 

@Override
public final Response createTable(final Request request) {

    if (tableExist(request.getTableName())) {
        return new Response(null, request.getTableName() + " already exist. Checked with version V1.");
    }

    Table table = dynamoDB.createTable(request.getTableName(),
            Arrays.asList(
                    new KeySchemaElement(request.getPartitionKey(), KeyType.HASH),  //Partition key
                    new KeySchemaElement(request.getSortKey(), KeyType.RANGE)), //Sort key
            Arrays.asList(
                    new AttributeDefinition(request.getPartitionKey(), ScalarAttributeType.S),
                    new AttributeDefinition(request.getSortKey(), ScalarAttributeType.N)),
            new ProvisionedThroughput(request.getReadCapacityUnits(), request.getWriteCapacityUnits()));

    if (request.isWaitForActive()) {
        try {
            table.waitForActive();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    return new Response(request.getTableName() + " created with API version V1.", null);
}
 

private static Future<CreateTableResult> createTableAsync(final AmazonDynamoDBAsync dbClient, final String tableName) {
  final String partitionKeyName = tableName + "Id";
  final CreateTableRequest createTableRequest = new CreateTableRequest()
    .withTableName(tableName).withKeySchema(new KeySchemaElement().withAttributeName(partitionKeyName).withKeyType(KeyType.HASH))
    .withAttributeDefinitions(new AttributeDefinition().withAttributeName(partitionKeyName).withAttributeType("S"))
    .withProvisionedThroughput(new ProvisionedThroughput().withReadCapacityUnits(10L).withWriteCapacityUnits(5L));

  return dbClient.createTableAsync(createTableRequest, new AsyncHandler<CreateTableRequest,CreateTableResult>() {
    @Override
    public void onError(final Exception exception) {
    }

    @Override
    public void onSuccess(final CreateTableRequest request, final CreateTableResult createTableResult) {
    }
  });
}
 

public CreateTableRequest constructCreateTableRequest() {
    ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<>();
    attributeDefinitions.add(new AttributeDefinition().withAttributeName(partitionKeyName.toString()).withAttributeType("S"));
    attributeDefinitions.add(new AttributeDefinition().withAttributeName(sortKeyName.toString()).withAttributeType("N"));

    ArrayList<KeySchemaElement> keySchema = new ArrayList<>();
    keySchema.add(new KeySchemaElement().withAttributeName(partitionKeyName.toString()).withKeyType(KeyType.HASH));
    keySchema.add(new KeySchemaElement().withAttributeName(sortKeyName.toString()).withKeyType(KeyType.RANGE));

    ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput()
            .withReadCapacityUnits(1L)
            .withWriteCapacityUnits(1L);
    CreateTableRequest request = new CreateTableRequest()
            .withTableName(tableName)
            .withKeySchema(keySchema)
            .withAttributeDefinitions(attributeDefinitions)
            .withProvisionedThroughput(provisionedThroughput);
    return request;
}
 

private DynamoDBQueryFilter getQueryFilter(JobConf conf, Map<String, String>
    hiveDynamoDBMapping, Map<String, String> hiveTypeMapping) throws IOException {
  if (hiveDynamoDBMapping == null) {
    /*
     * Column mapping may be null when user has mapped a DynamoDB item
     * onto a single hive map<string, string> column.
     */
    return new DynamoDBQueryFilter();
  }

  DynamoDBClient client = new DynamoDBClient(conf);
  String filterExprSerialized = conf.get(TableScanDesc.FILTER_EXPR_CONF_STR);
  if (filterExprSerialized == null) {
    return new DynamoDBQueryFilter();
  }
  ExprNodeDesc filterExpr =
      ShimsLoader.getHiveShims().deserializeExpression(filterExprSerialized);

  DynamoDBFilterPushdown pushdown = new DynamoDBFilterPushdown();
  List<KeySchemaElement> schema =
      client.describeTable(conf.get(DynamoDBConstants.TABLE_NAME)).getKeySchema();
  DynamoDBQueryFilter queryFilter = pushdown.predicateToDynamoDBFilter(
      schema, hiveDynamoDBMapping, hiveTypeMapping, filterExpr);
  return queryFilter;
}
 

private TableDescription getTableDescription(String hashType, String rangeType) {
  List<KeySchemaElement> keySchema = new ArrayList<>();
  List<AttributeDefinition> definitions = new ArrayList<>();

  keySchema.add(new KeySchemaElement().withAttributeName("hashKey").withKeyType(KeyType.HASH));
  definitions.add(new AttributeDefinition().withAttributeName("hashKey").withAttributeType
      (hashType));

  if (rangeType != null) {
    keySchema.add(new KeySchemaElement().withAttributeName("rangeKey").withKeyType(KeyType
        .RANGE));
    definitions.add(new AttributeDefinition().withAttributeName("rangeKey").withAttributeType
        (rangeType));
  }

  TableDescription description = new TableDescription().withKeySchema(keySchema)
      .withAttributeDefinitions(definitions).withProvisionedThroughput(new
          ProvisionedThroughputDescription().withReadCapacityUnits(1000L)
          .withWriteCapacityUnits(1000L));
  return description;
}
 

static void createExampleTable() {

        // Provide the initial provisioned throughput values as Java long data
        // types
        ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput().withReadCapacityUnits(5L)
            .withWriteCapacityUnits(6L);
        CreateTableRequest request = new CreateTableRequest().withTableName(tableName)
            .withProvisionedThroughput(provisionedThroughput);

        ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
        attributeDefinitions.add(new AttributeDefinition().withAttributeName("Id").withAttributeType("N"));
        request.setAttributeDefinitions(attributeDefinitions);

        ArrayList<KeySchemaElement> tableKeySchema = new ArrayList<KeySchemaElement>();
        tableKeySchema.add(new KeySchemaElement().withAttributeName("Id").withKeyType(KeyType.HASH)); // Partition
                                                                                                      // key
        request.setKeySchema(tableKeySchema);

        client.createTable(request);

        waitForTableToBecomeAvailable(tableName);

        getTableInformation();

    }
 

private static CreateTableResult createTable(AmazonDynamoDB ddb, String tableName, String hashKeyName) {
    List<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
    attributeDefinitions.add(new AttributeDefinition(hashKeyName, ScalarAttributeType.S));

    List<KeySchemaElement> ks = new ArrayList<KeySchemaElement>();
    ks.add(new KeySchemaElement(hashKeyName, KeyType.HASH));

    ProvisionedThroughput provisionedthroughput = new ProvisionedThroughput(1000L, 1000L);

    CreateTableRequest request =
        new CreateTableRequest()
            .withTableName(tableName)
            .withAttributeDefinitions(attributeDefinitions)
            .withKeySchema(ks)
            .withProvisionedThroughput(provisionedthroughput);

    return ddb.createTable(request);
}
 

private static void createTable() {
    List<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
    attributeDefinitions.add(new AttributeDefinition().withAttributeName("name").withAttributeType("S"));

    List<KeySchemaElement> ks = new ArrayList<KeySchemaElement>();
    ks.add(new KeySchemaElement().withAttributeName("name").withKeyType(KeyType.HASH)); // Partition
                                                                                        // key

    ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput().withReadCapacityUnits(10L)
        .withWriteCapacityUnits(10L);

    CreateTableRequest request = new CreateTableRequest().withTableName(TABLENAME)
        .withAttributeDefinitions(attributeDefinitions).withKeySchema(ks)
        .withProvisionedThroughput(provisionedThroughput);

    try {
        CreateTableResult createdTableDescription = dynamoDBClient.createTable(request);
        logger.info("Created Table: " + createdTableDescription);
        // Wait for it to become active
        waitForTableToBecomeAvailable(TABLENAME);
    }
    catch (ResourceInUseException e) {
        logger.warn("Table already existed", e);
    }
}
 

public void waitForTableActive(String tableName, 
    List<AttributeDefinition> definitions, 
    List<KeySchemaElement> keySchema,
    List<LocalSecondaryIndex> localIndexes,
    long waitTimeSeconds) throws InterruptedException {
    
    if(waitTimeSeconds < 0) {
        throw new IllegalArgumentException("Invalid waitTimeSeconds " + waitTimeSeconds);
    }
    
    long startTimeMs = System.currentTimeMillis();
    long elapsedMs = 0;
    do {
        String status = verifyTableExists(tableName, definitions, keySchema, localIndexes);
        if(TableStatus.ACTIVE.toString().equals(status)) {
            return;
        }
        if(TableStatus.DELETING.toString().equals(status)) {
            throw new ResourceInUseException("Table " + tableName + " is " + status + ", and waiting for it to become ACTIVE is not useful.");
        }
        Thread.sleep(10 * 1000);
        elapsedMs = System.currentTimeMillis() - startTimeMs; 
    } while(elapsedMs / 1000.0 < waitTimeSeconds);
    
    throw new ResourceInUseException("Table " + tableName + " did not become ACTIVE after " + waitTimeSeconds + " seconds.");
}
 

/**
 * Used to create the Identity Table. This function only needs to be called
 * once.
 */
protected void createIdentityTable() throws DataAccessException {
    ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput()
            .withReadCapacityUnits(10L)
            .withWriteCapacityUnits(5L);

    ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
    attributeDefinitions
            .add(new AttributeDefinition().withAttributeName(ATTRIBUTE_USERNAME).withAttributeType("S"));

    ArrayList<KeySchemaElement> tableKeySchema = new ArrayList<KeySchemaElement>();
    tableKeySchema.add(new KeySchemaElement().withAttributeName(ATTRIBUTE_USERNAME).withKeyType(KeyType.HASH));

    CreateTableRequest createTableRequest = new CreateTableRequest()
            .withTableName(USER_TABLE)
            .withProvisionedThroughput(provisionedThroughput)
            .withAttributeDefinitions(attributeDefinitions)
            .withKeySchema(tableKeySchema);

    try {
        ddb.createTable(createTableRequest);
    } catch (AmazonClientException e) {
        throw new DataAccessException("Failed to create table: " + USER_TABLE, e);
    }
}
 

/**
 * Used to create the device table. This function only needs to be called
 * once.
 */
protected void createDeviceTable() throws DataAccessException {
    ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput()
            .withReadCapacityUnits(10L)
            .withWriteCapacityUnits(5L);

    ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
    attributeDefinitions.add(new AttributeDefinition().withAttributeName(
            ATTRIBUTE_UID).withAttributeType("S"));

    ArrayList<KeySchemaElement> tableKeySchema = new ArrayList<KeySchemaElement>();
    tableKeySchema.add(new KeySchemaElement().withAttributeName(ATTRIBUTE_UID)
            .withKeyType(KeyType.HASH));

    CreateTableRequest createTableRequest = new CreateTableRequest()
            .withTableName(DEVICE_TABLE)
            .withProvisionedThroughput(provisionedThroughput)
            .withAttributeDefinitions(attributeDefinitions)
            .withKeySchema(tableKeySchema);

    try {
        ddb.createTable(createTableRequest);
    } catch (AmazonClientException e) {
        throw new DataAccessException("Failed to create table: " + DEVICE_TABLE, e);
    }
}
 

@BeforeClass
public static void setUpTestData() throws Exception {
    String keyName = "id";
    CreateTableRequest createTableRequest = new CreateTableRequest()
            .withTableName(TABLE_NAME)
            .withKeySchema(new KeySchemaElement().withAttributeName(keyName).withKeyType(KeyType.HASH))
            .withAttributeDefinitions(
                    new AttributeDefinition().withAttributeName(keyName).withAttributeType(
                            ScalarAttributeType.S));
    createTableRequest.setProvisionedThroughput(new ProvisionedThroughput().withReadCapacityUnits(10L)
            .withWriteCapacityUnits(5L));

    TableUtils.createTableIfNotExists(dynamo, createTableRequest);
    TableUtils.waitUntilActive(dynamo, TABLE_NAME);

    createTestData();
}
 

@BeforeClass
public static void setUp() throws Exception {
    // Create a table
    DynamoDBTestBase.setUpTestBase();
    String keyName = KEY_NAME;
    CreateTableRequest createTableRequest = new CreateTableRequest()
            .withTableName(TABLE_NAME)
            .withKeySchema(new KeySchemaElement().withAttributeName(keyName).withKeyType(KeyType.HASH))
            .withAttributeDefinitions(
                    new AttributeDefinition().withAttributeName(keyName).withAttributeType(
                            ScalarAttributeType.S));
    createTableRequest.setProvisionedThroughput(new ProvisionedThroughput().withReadCapacityUnits(10L)
            .withWriteCapacityUnits(5L));

    if (TableUtils.createTableIfNotExists(dynamo, createTableRequest)) {
        TableUtils.waitUntilActive(dynamo, TABLE_NAME);
    }
}
 

protected static void setUpTableWithRangeAttribute() throws Exception {
    setUp();

    String keyName = DynamoDBCryptoIntegrationTestBase.KEY_NAME;
    String rangeKeyAttributeName = "rangeKey";

    CreateTableRequest createTableRequest = new CreateTableRequest()
            .withTableName(TABLE_WITH_RANGE_ATTRIBUTE)
            .withKeySchema(new KeySchemaElement().withAttributeName(keyName).withKeyType(KeyType.HASH),
                    new KeySchemaElement().withAttributeName(rangeKeyAttributeName).withKeyType(KeyType.RANGE))
            .withAttributeDefinitions(
                    new AttributeDefinition().withAttributeName(keyName).withAttributeType(
                            ScalarAttributeType.N),
                    new AttributeDefinition().withAttributeName(rangeKeyAttributeName).withAttributeType(
                            ScalarAttributeType.N));
    createTableRequest.setProvisionedThroughput(new ProvisionedThroughput().withReadCapacityUnits(10L)
            .withWriteCapacityUnits(5L));

    if (TableUtils.createTableIfNotExists(dynamo, createTableRequest)) {
        TableUtils.waitUntilActive(dynamo, TABLE_WITH_RANGE_ATTRIBUTE);
    }
}
 

@BeforeClass
public static void setUp() throws Exception {
    DynamoDBCryptoIntegrationTestBase.setUp();
    dynamoMapper = TestDynamoDBMapperFactory.createDynamoDBMapper(dynamo);

    CreateTableRequest createTableRequest = new CreateTableRequest()
            .withTableName(tableName)
            .withKeySchema(new KeySchemaElement().withAttributeName(hashKeyName).withKeyType(KeyType.HASH))
            .withKeySchema(new KeySchemaElement().withAttributeName(rangeKeyName).withKeyType(KeyType.RANGE))
            .withAttributeDefinitions(new AttributeDefinition().withAttributeName(hashKeyName)
                    .withAttributeType(ScalarAttributeType.S))
            .withAttributeDefinitions(new AttributeDefinition().withAttributeName(rangeKeyName)
                    .withAttributeType(ScalarAttributeType.N));
    createTableRequest.setProvisionedThroughput(DEFAULT_PROVISIONED_THROUGHPUT);

    if (TableUtils.createTableIfNotExists(dynamo, createTableRequest)) {
        TableUtils.waitUntilActive(dynamo, tableName);
    }
}
 

@BeforeClass
public static void setUp() throws Exception {
    DynamoDBMapperCryptoIntegrationTestBase.setUp();

    // Create a table
    String keyName = DynamoDBMapperCryptoIntegrationTestBase.KEY_NAME;
    String rangeKeyAttributeName = "rangeKey";

    CreateTableRequest createTableRequest = new CreateTableRequest()
            .withTableName(TABLE_NAME)
            .withKeySchema(new KeySchemaElement().withAttributeName(keyName).withKeyType(KeyType.HASH),
                    new KeySchemaElement().withAttributeName(rangeKeyAttributeName).withKeyType(KeyType.RANGE))
            .withAttributeDefinitions(
                    new AttributeDefinition().withAttributeName(keyName).withAttributeType(
                            ScalarAttributeType.S),
                    new AttributeDefinition().withAttributeName(rangeKeyAttributeName).withAttributeType(
                            ScalarAttributeType.S));
    createTableRequest.setProvisionedThroughput(new ProvisionedThroughput().withReadCapacityUnits(10L)
            .withWriteCapacityUnits(5L));

    if (TableUtils.createTableIfNotExists(dynamo, createTableRequest)) {
        TableUtils.waitUntilActive(dynamo, TABLE_NAME);
    }
}
 

private CreateTableResult createTable() throws Exception {
  List<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
  AttributeDefinition attributeDefinition = new AttributeDefinition()
    .withAttributeName(TEST_ATTRIBUTE)
    .withAttributeType(ScalarAttributeType.S);
  attributeDefinitions.add(attributeDefinition);

  String tableName = TEST_TABLE_NAME;

  List<KeySchemaElement> keySchema = new ArrayList<KeySchemaElement>();
  KeySchemaElement keySchemaElement = new KeySchemaElement()
    .withAttributeName(TEST_ATTRIBUTE)
    .withKeyType(KeyType.HASH);

  ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput()
    .withReadCapacityUnits(UNITS)
    .withWriteCapacityUnits(UNITS);

  CreateTableResult result = dynamoDb.createTable(attributeDefinitions, tableName, keySchema, provisionedThroughput);

  return result;
}
 

@Override
public void createStoreIfAbsent(String storeName, boolean bBinaryValues) {
    String tableName = storeToTableName(storeName);
    if (!Tables.doesTableExist(m_ddbClient, tableName)) {
        // Create a table with a primary hash key named '_key', which holds a string
        m_logger.info("Creating table: {}", tableName);
        CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName)
            .withKeySchema(new KeySchemaElement()
                .withAttributeName(ROW_KEY_ATTR_NAME)
                .withKeyType(KeyType.HASH))
            .withAttributeDefinitions(new AttributeDefinition()
                .withAttributeName(ROW_KEY_ATTR_NAME)
                .withAttributeType(ScalarAttributeType.S))
            .withProvisionedThroughput(new ProvisionedThroughput()
                .withReadCapacityUnits(READ_CAPACITY_UNITS)
                .withWriteCapacityUnits(WRITE_CAPACITY_UNITS));
        m_ddbClient.createTable(createTableRequest).getTableDescription();
        try {
            Tables.awaitTableToBecomeActive(m_ddbClient, tableName);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);  
        }
    }
}
 

private boolean createTable(final String qName, final boolean dataIndexTable) {
  return createTable(
      qName,
      dataIndexTable
          ? () -> new CreateTableRequest().withTableName(qName).withAttributeDefinitions(
              new AttributeDefinition(
                  DynamoDBRow.GW_PARTITION_ID_KEY,
                  ScalarAttributeType.B)).withKeySchema(
                      new KeySchemaElement(DynamoDBRow.GW_PARTITION_ID_KEY, KeyType.HASH))
          : () -> new CreateTableRequest().withTableName(qName).withAttributeDefinitions(
              new AttributeDefinition(DynamoDBRow.GW_PARTITION_ID_KEY, ScalarAttributeType.B),
              new AttributeDefinition(
                  DynamoDBRow.GW_RANGE_KEY,
                  ScalarAttributeType.B)).withKeySchema(
                      new KeySchemaElement(DynamoDBRow.GW_PARTITION_ID_KEY, KeyType.HASH),
                      new KeySchemaElement(DynamoDBRow.GW_RANGE_KEY, KeyType.RANGE)));
}
 

/**
 * Used to create the device table. This function only needs to be called
 * once.
 */
protected void createDeviceTable() throws DataAccessException {
    ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput()
            .withReadCapacityUnits(10L)
            .withWriteCapacityUnits(5L);

    ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
    attributeDefinitions.add(new AttributeDefinition().withAttributeName(
            ATTRIBUTE_UID).withAttributeType("S"));

    ArrayList<KeySchemaElement> tableKeySchema = new ArrayList<KeySchemaElement>();
    tableKeySchema.add(new KeySchemaElement().withAttributeName(ATTRIBUTE_UID)
            .withKeyType(KeyType.HASH));

    CreateTableRequest createTableRequest = new CreateTableRequest()
            .withTableName(DEVICE_TABLE)
            .withProvisionedThroughput(provisionedThroughput)
            .withAttributeDefinitions(attributeDefinitions)
            .withKeySchema(tableKeySchema);

    try {
        ddb.createTable(createTableRequest);
    } catch (AmazonClientException e) {
        throw new DataAccessException("Failed to create table: " + DEVICE_TABLE, e);
    }
}
 

/**
 * Used to create the device table. This function only needs to be called
 * once.
 */
protected void createDeviceTable() throws DataAccessException {
    ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput()
            .withReadCapacityUnits(10L)
            .withWriteCapacityUnits(5L);

    ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
    attributeDefinitions.add(new AttributeDefinition().withAttributeName(
            ATTRIBUTE_UID).withAttributeType("S"));

    ArrayList<KeySchemaElement> tableKeySchema = new ArrayList<KeySchemaElement>();
    tableKeySchema.add(new KeySchemaElement().withAttributeName(ATTRIBUTE_UID)
            .withKeyType(KeyType.HASH));

    CreateTableRequest createTableRequest = new CreateTableRequest()
            .withTableName(DEVICE_TABLE)
            .withProvisionedThroughput(provisionedThroughput)
            .withAttributeDefinitions(attributeDefinitions)
            .withKeySchema(tableKeySchema);

    try {
        ddb.createTable(createTableRequest);
    } catch (AmazonClientException e) {
        throw new DataAccessException("Failed to create table: " + DEVICE_TABLE, e);
    }
}
 

static void createExampleTable() {
            
    
    // Provide the initial provisioned throughput values as Java long data types
    ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput()
        .withReadCapacityUnits(5L)
        .withWriteCapacityUnits(6L);
    CreateTableRequest request = new CreateTableRequest()
        .withTableName(tableName)
        .withProvisionedThroughput(provisionedThroughput);
    
    ArrayList<AttributeDefinition> attributeDefinitions= new ArrayList<AttributeDefinition>();
    attributeDefinitions.add(new AttributeDefinition().withAttributeName("Id").withAttributeType("N"));
    request.setAttributeDefinitions(attributeDefinitions);
    
    ArrayList<KeySchemaElement> tableKeySchema = new ArrayList<KeySchemaElement>();
    tableKeySchema.add(new KeySchemaElement().withAttributeName("Id").withKeyType(KeyType.HASH));
    request.setKeySchema(tableKeySchema);
  
    client.createTable(request);
    
    waitForTableToBecomeAvailable(tableName); 

    getTableInformation();
    
}
 

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

        AmazonDynamoDBClient client = new AmazonDynamoDBClient();
        
        client.setEndpoint("http://localhost:8000");
        DynamoDB dynamoDB = new DynamoDB(client);
        
        String tableName = "Movies";
        Table table = dynamoDB.createTable(tableName,
                Arrays.asList(
                        new KeySchemaElement("year", KeyType.HASH),
                        new KeySchemaElement("title", KeyType.RANGE)), 
                Arrays.asList(
                        new AttributeDefinition("year", ScalarAttributeType.N),
                        new AttributeDefinition("title", ScalarAttributeType.S)), 
                new ProvisionedThroughput(10L, 10L));

        try {
            TableUtils.waitUntilActive(client, tableName);
            System.out.println("Table status: " + table.getDescription().getTableStatus());
        } catch (AmazonClientException e) {
            e.printStackTrace();
            System.exit(1);
        }
    }
 

private static KeyNames getKeys(List<KeySchemaElement> keys)
{
    String hashKey = null;
    String rangeKey = null;
    for (KeySchemaElement key : keys) {
        if (key.getKeyType().equals(KeyType.HASH.toString())) {
            hashKey = key.getAttributeName();
        }
        else if (key.getKeyType().equals(KeyType.RANGE.toString())) {
            rangeKey = key.getAttributeName();
        }
    }
    return new KeyNames(hashKey, rangeKey);
}
 

private TableDescription getTableDescription(String tableName, Collection<AttributeDefinition> attributeDefinitions, Collection<KeySchemaElement> keySchema) {
    TableDescription tableDescription = (new TableDescription())
            .withTableName(tableName)
            .withAttributeDefinitions(attributeDefinitions)
            .withKeySchema(keySchema)
            .withTableStatus(TableStatus.ACTIVE)
            .withCreationDateTime(new Date())
            .withTableArn(tableName);

    return tableDescription;
}
 

protected Map<String, AttributeValue> createKeyMap(final String tableName, final Map<String, AttributeValue> item) {
    if (tableName == null) {
        throw new IllegalArgumentException("must specify a tableName");
    }
    if (item == null) {
        throw new IllegalArgumentException("must specify an item");
    }
    List<KeySchemaElement> schema = getTableSchema(tableName);
    Map<String, AttributeValue> key = new HashMap<String, AttributeValue>(schema.size());
    for (KeySchemaElement element : schema) {
        key.put(element.getAttributeName(), item.get(element.getAttributeName()));
    }
    return key;
}
 

@PostConstruct
public void init() {
    try {
        dynamoDB.createTable(tableName, Arrays.asList(new KeySchemaElement("installedAppId", KeyType.HASH)),
                Arrays.asList(new AttributeDefinition("installedAppId", "S")), new ProvisionedThroughput(10L, 10L));
    } catch (ResourceInUseException e) {
        log.info("InstalledAppContext table already exists");
    }
}
 

@Test
public void initCreatesTable() {
    when(dynamoDB.createTable(eq("installedAppContext"),
            eq(Arrays.asList(new KeySchemaElement("installedAppId", KeyType.HASH))),
            eq(Arrays.asList(new AttributeDefinition("installedAppId", "S"))), any())).thenReturn(table);

    tester.init();

    verify(dynamoDB).createTable(eq("installedAppContext"),
            eq(Arrays.asList(new KeySchemaElement("installedAppId", KeyType.HASH))),
            eq(Arrays.asList(new AttributeDefinition("installedAppId", "S"))), any());
}