Java Code Examples for com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient#setEndpoint()

public static void main(String[] args)  {

        AmazonDynamoDBClient client = new AmazonDynamoDBClient();
        client.setEndpoint("http://localhost:8000");
        DynamoDB dynamoDB = new DynamoDB(client);

        Table table = dynamoDB.getTable("Movies");
                
        // Conditional delete (will fail)
        
        DeleteItemSpec deleteItemSpec = new DeleteItemSpec()
            .withPrimaryKey(new PrimaryKey("year", 2015, "title", "The Big New Movie"))
            .withConditionExpression("info.rating <= :val")
            .withValueMap(new ValueMap()
                   .withNumber(":val", 5.0));
        
        System.out.println("Attempting a conditional delete...");
        try {
            table.deleteItem(deleteItemSpec);
            System.out.println("DeleteItem succeeded");
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println("DeleteItem failed");
        }

    }
 

/**
 * Constructs a {@link ImageIngester} with the specified command line arguments and Amazon Web Services credentials
 * provider.
 *
 * @param args
 *            Command line arguments for retrieving the configuration
 * @param credentialsProvider
 *            Amazon Web Services credentials provider
 * @throws ExitException
 *             Error parsing configuration
 */
public ImageIngester(final String[] args, final AWSCredentialsProvider credentialsProvider) throws ExitException {
    // Parse command line arguments to locate configuration file
    final ImageIngesterCLI cli = new ImageIngesterCLI(args);
    config = cli.getConfig();
    // Validate the configuration file
    ConfigParser.validateConfig(config, REQUIRED_STRING_CONFIGURATIONS, REQUIRED_BOOLEAN_CONFIGURATIONS,
        REQUIRED_INTEGER_CONFIGURATIONS, REQUIRED_LONG_CONFIGURATIONS);
    // Parse configuration settings
    resourceTable = ConfigParser.parseString(config, CONFIG_RESOURCE_TABLE);
    imageTable = ConfigParser.parseString(config, CONFIG_IMAGE_TABLE);
    waitTime = ConfigParser.parseLong(config, CONFIG_WAIT_TIME, DEFAULT_WAIT_TIME);
    connectTimeout = ConfigParser.parseInteger(config, CONFIG_CONNECT_TIMEOUT, DEFAULT_CONNECT_TIMEOUT);
    final String endpoint = ConfigParser.parseString(config, CONFIG_ENDPOINT);
    final int numManifestThreads = ConfigParser.parseInteger(config, CONFIG_NUM_MANIFEST_THREADS, DEFAULT_THREADS);
    // Setup state
    dynamoDB = new AmazonDynamoDBClient(credentialsProvider);
    dynamoDB.setEndpoint(endpoint);
    manifestPool = Executors.newFixedThreadPool(numManifestThreads);
}
 

public DynamoDBService2(Tenant tenant) { 
    super(tenant);
    
    String accessKey = getParamString("ddb-access-key");
    String secretKey = getParamString("ddb-secret-key");
    String endpoint = getParamString("ddb-endpoint");
    m_readCapacityUnits = getParamInt("ddb-read-capacity-units", 1);
    m_writeCapacityUnits = getParamInt("ddb-write-capacity-units", 1);
    
    BasicAWSCredentials awsCredentials = new BasicAWSCredentials(accessKey, secretKey); 
    m_client = new AmazonDynamoDBClient(awsCredentials);
    m_client.setEndpoint(endpoint);
    // try to connect to check the connection
    m_client.listTables();
    
    m_logger.info("Started DynamoDB service. Endpoint: {}, read/write capacity units for new namespaces: {}/{}",
                  new Object[] {endpoint, m_readCapacityUnits, m_writeCapacityUnits});
}
 

public static void main(String[] args) {

        AmazonDynamoDBClient client = new AmazonDynamoDBClient();
        client.setEndpoint("http://localhost:8000");
        DynamoDB dynamoDB = new DynamoDB(client);
   
        Table table = dynamoDB.getTable("Movies");
        
        ScanSpec scanSpec = new ScanSpec()
            .withProjectionExpression("#yr, title, info.rating")
            .withFilterExpression("#yr between :start_yr and :end_yr")
            .withNameMap(new NameMap().with("#yr",  "year"))
            .withValueMap(new ValueMap().withNumber(":start_yr", 1950).withNumber(":end_yr", 1959));
        
        ItemCollection<ScanOutcome> items = table.scan(scanSpec);
        
        Iterator<Item> iter = items.iterator();
        while (iter.hasNext()) {
            Item item = iter.next();
            System.out.println(item.toString());
        }
    }
 

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);
        }
    }
 

/**
 * Looks up table name and creates one if it does not exist
 */
public DeviceAuthentication() {
    ddb = new AmazonDynamoDBClient(new BasicAWSCredentials(Configuration.AWS_ACCESS_KEY_ID,
            Configuration.AWS_SECRET_KEY));
    ddb.setEndpoint(Configuration.DYNAMODB_ENDPOINT);

    try {
        if (!doesTableExist(DEVICE_TABLE)) {
            createDeviceTable();
        }
    } catch (DataAccessException e) {
        throw new RuntimeException("Failed to create device table.", e);
    }
}
 

public static void main(String[] args)  {

        AmazonDynamoDBClient client = new AmazonDynamoDBClient();
        client.setEndpoint("http://localhost:8000");
        DynamoDB dynamoDB = new DynamoDB(client);

        Table table = dynamoDB.getTable("Movies");
        
        int year = 2015;
        String title = "The Big New Movie";

        UpdateItemSpec updateItemSpec = new UpdateItemSpec()
            .withPrimaryKey("year", year, "title", title)
            .withUpdateExpression("set info.rating = :r, info.plot=:p, info.actors=:a")
            .withValueMap(new ValueMap()
                .withNumber(":r", 5.5)
                .withString(":p", "Everything happens all at once.")
                .withList(":a", Arrays.asList("Larry","Moe","Curly")));

        System.out.println("Updating the item...");
        try {
            table.updateItem(updateItemSpec);
            System.out.println("UpdateItem succeeded: " + table.getItem("year", year, "title", title).toJSONPretty());
        } catch (Exception e) {
            System.out.println("UpdateItem failed");
            e.printStackTrace();
        }
                

    }
 

public static void main(String[] args)  {

        AmazonDynamoDBClient client = new AmazonDynamoDBClient();
        client.setEndpoint("http://localhost:8000");
        DynamoDB dynamoDB = new DynamoDB(client);

        Table table = dynamoDB.getTable("Movies");
        
        int year = 2015;
        String title = "The Big New Movie";
        
        UpdateItemSpec updateItemSpec = new UpdateItemSpec()
            .withPrimaryKey("year", year, "title", title)
            .withUpdateExpression("set info.rating = info.rating + :val")
            .withValueMap(new ValueMap()
                .withNumber(":val", 1));

        System.out.println("Incrementing an atomic counter...");
        try {
            table.updateItem(updateItemSpec);
            System.out.println("UpdateItem succeeded: " + table.getItem("year", year, "title", title).toJSONPretty());
        } catch (Exception e) {
            System.out.println("UpdateItem failed");
            e.printStackTrace();
        }

    }
 

public static void main(String[] args)  {

        AmazonDynamoDBClient client = new AmazonDynamoDBClient();
        client.setEndpoint("http://localhost:8000");
        DynamoDB dynamoDB = new DynamoDB(client);
       
        Table table = dynamoDB.getTable("Movies");
        table.delete();
        System.out.println("Table is being deleted");
        
    }
 

public static void main(String[] args)  {

        AmazonDynamoDBClient client = new AmazonDynamoDBClient();
        client.setEndpoint("http://localhost:8000");
        DynamoDB dynamoDB = new DynamoDB(client);

        Table table = dynamoDB.getTable("Movies");
        
        int year = 2015;
        String title = "The Big New Movie";

        // Conditional update (will fail)

        UpdateItemSpec updateItemSpec = new UpdateItemSpec()
            .withPrimaryKey(new PrimaryKey("year", 2015, "title",  "The Big New Movie"))
            .withUpdateExpression("remove info.actors[0]")
            .withConditionExpression("size(info.actors) > :num")
            .withValueMap(new ValueMap().withNumber(":num", 3));

        System.out.println("Attempting a conditional update...");
        try {
            table.updateItem(updateItemSpec);
            System.out.println("UpdateItem succeeded: " + table.getItem("year", year, "title", title).toJSONPretty());
        } catch (ConditionalCheckFailedException e) {
            e.printStackTrace();
            System.out.println("UpdateItem failed");
        }

    }
 

public static void main(String[] args)  {

        AmazonDynamoDBClient client = new AmazonDynamoDBClient();
        client.setEndpoint("http://localhost:8000");
        DynamoDB dynamoDB = new DynamoDB(client);

        Table table = dynamoDB.getTable("Movies");

        int year = 2015;
        String title = "The Big New Movie";

        final Map<String, Object> infoMap = new HashMap<String, Object>();
        infoMap.put("plot",  "Nothing happens at all.");
        infoMap.put("rating",  0.0);
        Item item = new Item()
            .withPrimaryKey(new PrimaryKey("year", year, "title", title))
            .withMap("info", infoMap);
        
        // Attempt a conditional write.  We expect this to fail.

        PutItemSpec putItemSpec = new PutItemSpec()
            .withItem(item)
            .withConditionExpression("attribute_not_exists(#yr) and attribute_not_exists(title)")
            .withNameMap(new NameMap()
                .with("#yr", "year"));
        
        System.out.println("Attempting a conditional write...");
        try {
            table.putItem(putItemSpec);
            System.out.println("PutItem succeeded: " + table.getItem("year", year, "title", title).toJSONPretty());
        } catch (ConditionalCheckFailedException e) {
            e.printStackTrace(System.err);
            System.out.println("PutItem failed");
        }
    }
 

/**
 * Looks up table name and creates one if it does not exist
 */
public UserAuthentication() {
    ddb = new AmazonDynamoDBClient(new BasicAWSCredentials(Configuration.AWS_ACCESS_KEY_ID,
            Configuration.AWS_SECRET_KEY));
    ddb.setEndpoint(Configuration.DYNAMODB_ENDPOINT);

    try {
        if (!doesTableExist(USER_TABLE)) {
            createIdentityTable();
        }
    } catch (DataAccessException e) {
        throw new RuntimeException("Failed to create device table.", e);
    }
}
 

/**
 * Looks up table name and creates one if it doesnot exist
 */
public DeviceAuthentication() {
    ddb = new AmazonDynamoDBClient(new BasicAWSCredentials(Configuration.AWS_ACCESS_KEY_ID,
            Configuration.AWS_SECRET_KEY));
    ddb.setEndpoint(Configuration.DYNAMODB_ENDPOINT);

    try {
        if (!doesTableExist(DEVICE_TABLE)) {
            createDeviceTable();
        }
    } catch (DataAccessException e) {
        throw new RuntimeException("Failed to create device table.", e);
    }
}
 

@BeforeClass
public static void createTables() throws Exception {
    amazonDynamoDbClient = new AmazonDynamoDBClient();
    amazonDynamoDbClient.setEndpoint(AwsIntegration.getDynamoDbEndpoint());
    dataGenerator = new DynamoDbDataGenerator(amazonDynamoDbClient);

    dataGenerator.createStubItemTable();
    dataGenerator.createStubItemWithRangeTable();
    dataGenerator.createStubItemWithCompoundGlobalSecondaryIndexTable();
    dataGenerator.createStubItemWithHashAndRangePrimaryKeyAndCompoundGlobalSecondaryIndexTable();
}
 

@BeforeClass
public static void createTables() throws Exception {
    amazonDynamoDbClient = new AmazonDynamoDBClient();
    amazonDynamoDbClient.setEndpoint(AwsIntegration.getDynamoDbEndpoint());
    dataGenerator = new DynamoDbDataGenerator(amazonDynamoDbClient);

    dataGenerator.createStubItemTable();
    dataGenerator.createStubItemWithRangeTable();
    dataGenerator.createStubItemWithCompoundGlobalSecondaryIndexTable();
    dataGenerator.createStubItemWithHashAndRangePrimaryKeyAndCompoundGlobalSecondaryIndexTable();
}
 

@Override
public IRecordProcessor createProcessor() {
    AmazonDynamoDBClient dynamoDBClient = new AmazonDynamoDBClient(dynamoDBCredentials, new ClientConfiguration());
    dynamoDBClient.setEndpoint(dynamoDBEndpoint);
    return new StreamsRecordProcessor(dynamoDBClient, tableName);
}
 

/**
 * @param args
 */
public static void main(String[] args) throws Exception {
    System.out.println("Starting demo...");

    String srcTable = tablePrefix + "-src";
    String destTable = tablePrefix + "-dest";
    streamsCredentials = new ProfileCredentialsProvider();
    dynamoDBCredentials = new ProfileCredentialsProvider();
    recordProcessorFactory = new StreamsRecordProcessorFactory(dynamoDBCredentials, dynamodbEndpoint, serviceName, destTable);


    /* ===== REQUIRED =====
     * Users will have to explicitly instantiate and configure the adapter, then pass it to
     * the KCL worker.
     */
    adapterClient = new AmazonDynamoDBStreamsAdapterClient(streamsCredentials, new ClientConfiguration());
    adapterClient.setEndpoint(streamsEndpoint);

    dynamoDBClient = new AmazonDynamoDBClient(dynamoDBCredentials, new ClientConfiguration());
    dynamoDBClient.setEndpoint(dynamodbEndpoint);

    cloudWatchClient = new AmazonCloudWatchClient(dynamoDBCredentials, new ClientConfiguration());

    setUpTables();

    workerConfig = new KinesisClientLibConfiguration("streams-adapter-demo",
            streamArn, streamsCredentials, "streams-demo-worker")
        .withMaxRecords(1)
        .withInitialPositionInStream(InitialPositionInStream.TRIM_HORIZON);

    System.out.println("Creating worker for stream: " + streamArn);
    worker = new Worker(recordProcessorFactory, workerConfig, adapterClient, dynamoDBClient, cloudWatchClient);
    System.out.println("Starting worker...");
    Thread t = new Thread(worker);
    t.start();

    Thread.sleep(25000);
    worker.shutdown();
    t.join();

    if(StreamsAdapterDemoHelper.scanTable(dynamoDBClient, srcTable).getItems().equals(StreamsAdapterDemoHelper.scanTable(dynamoDBClient, destTable).getItems())) {
        System.out.println("Scan result is equal.");
    } else {
        System.out.println("Tables are different!");
    }

    System.out.println("Done.");
    cleanupAndExit(0);
}
 

public void run() throws Exception {
	adapterClient = new AmazonDynamoDBStreamsAdapterClient(new ClientConfiguration());
	adapterClient.setEndpoint(streamsEndpoint);
	dynamoDBClient = new AmazonDynamoDBClient(new ClientConfiguration());
	dynamoDBClient.setEndpoint(dynamodbEndpoint);

	cloudWatchClient = new AmazonCloudWatchClient(dynamoDBCredentials, new ClientConfiguration());

	TcpDiscoverySpi spi = new TcpDiscoverySpi();
	TcpDiscoveryVmIpFinder ipFinder = new TcpDiscoveryVmIpFinder();
	List<String> hostList = Arrays.asList(Properties.getString("hostList").split(","));
	ipFinder.setAddresses(hostList);
	spi.setIpFinder(ipFinder);
	IgniteConfiguration cfg = new IgniteConfiguration();
	cfg.setDiscoverySpi(spi);
	cfg.setClientMode(true);
	cfg.setPeerClassLoadingEnabled(true);

	@SuppressWarnings("unused")
	Ignite ignite = Ignition.start(cfg);
	cache = Ignition.ignite().cache(Properties.getString("cacheName"));
	LOG.info(">>> cache acquired");

	recordProcessorFactory = new StreamsRecordProcessorFactory(cache);
	workerConfig = new KinesisClientLibConfiguration(Properties.getString("applicationName"), streamArn,
			streamsCredentials, "ddbstreamsworker")
					.withMaxRecords(Integer.parseInt(Properties.getString("maxRecords")))
					.withInitialPositionInStream(
							InitialPositionInStream.valueOf(Properties.getString("initialPositionInStream")));

	LOG.info("Creating worker for stream: " + streamArn);
	worker = new Worker(recordProcessorFactory, workerConfig, adapterClient, dynamoDBClient, cloudWatchClient);
	LOG.info("Starting worker...");

	int exitCode = 0;
	try {
		worker.run();
	} catch (Throwable t) {
		LOG.error("Caught throwable while processing data.");
		t.printStackTrace();
		exitCode = 1;
	}
	System.exit(exitCode);
}
 

public BaseAdmin(String awsAccessKeyID, String awsSecretKey) {
    ddb = new AmazonDynamoDBClient(new BasicAWSCredentials(awsAccessKeyID, awsSecretKey));
    ddb.setEndpoint("http://dynamodb.us-east-1.amazonaws.com");
}
 

public AWSDatabaseHolder(Config config) {
    maxAgeInMs = config.getDuration("maxAge", TimeUnit.MILLISECONDS);

    final DefaultAWSCredentialsProviderChain awsCredentialsProviderChain = new DefaultAWSCredentialsProviderChain();

    final ClientConfiguration clientConfig = new ClientConfiguration();
    clientConfig.setRetryPolicy(new RetryPolicy(null, null, config.getInt("maxErrorRetry"), true));
    clientConfig.setSocketTimeout(config.getInt("socketTimeout") * 1000);

    final AmazonEC2 bootstrapEC2Client = AmazonEC2ClientBuilder.standard().withCredentials(awsCredentialsProviderChain).build();

    ec2Clients = Maps.newHashMap();
    rdsClients = Maps.newHashMap();
    sqsClients = Maps.newHashMap();
    dynamoDBClients = Maps.newHashMap();
    elasticacheClients = Maps.newHashMap();
    elasticsearchClients = Maps.newHashMap();

    final List<Region> ec2Regions = bootstrapEC2Client.describeRegions().getRegions();
    for (Region region : ec2Regions) {
        final String regionName = region.getRegionName();
        final String endpoint = region.getEndpoint();
        log.debug("Adding ec2 region {}", region);

        if (config.getBoolean("ec2Enabled")) {
            final AmazonEC2Client ec2Client = new AmazonEC2Client(awsCredentialsProviderChain, clientConfig);
            ec2Client.setEndpoint(endpoint);
            ec2Clients.put(regionName, ec2Client);
        }

        if (config.getBoolean("rdsEnabled")) {
            final AmazonRDSClient rdsClient = new AmazonRDSClient(awsCredentialsProviderChain, clientConfig);
            rdsClient.setEndpoint(endpoint.replaceFirst("ec2\\.", "rds."));
            rdsClients.put(regionName, rdsClient);
        }

        if (config.getBoolean("dynamodbEnabled")) {
            final AmazonDynamoDBClient dynamoDBClient =
                new AmazonDynamoDBClient(awsCredentialsProviderChain, clientConfig);
            dynamoDBClient.setEndpoint(endpoint.replaceFirst("ec2\\.", "dynamodb."));
            dynamoDBClients.put(regionName, dynamoDBClient);
        }

        if (config.getBoolean("sqsEnabled")) {
            final AmazonSQSClient sqsClient = new AmazonSQSClient(awsCredentialsProviderChain, clientConfig);
            sqsClient.setEndpoint(endpoint.replaceFirst("ec2\\.", "sqs."));
            sqsClients.put(regionName, sqsClient);
        }

        if (config.getBoolean("elasticacheEnabled")) {
            final AmazonElastiCacheClient elastiCacheClient = new AmazonElastiCacheClient
                (awsCredentialsProviderChain, clientConfig);
            elastiCacheClient.setEndpoint(endpoint.replaceFirst("ec2\\.", "elasticache."));
            elasticacheClients.put(regionName, elastiCacheClient);
        }

        if (config.getBoolean("elasticsearchEnabled")) {
            final AWSElasticsearchClient elasticsearchClient = new AWSElasticsearchClient
                (awsCredentialsProviderChain, clientConfig);
            elasticsearchClient.setEndpoint(endpoint.replaceFirst("ec2\\.", "es."));
            elasticsearchClients.put(regionName, elasticsearchClient);
        }
    }

    this.iamClient = AmazonIdentityManagementClientBuilder.standard()
        .withCredentials(awsCredentialsProviderChain)
        .withClientConfiguration(clientConfig)
        .build();

    if (config.hasPath("accountNumber")) {
        this.awsAccountNumber = config.getString("accountNumber");
    } else {
        this.awsAccountNumber = null;
    }

    if (config.hasPath("arnPartition")) {
        this.awsARNPartition = config.getString("arnPartition");
    } else {
        this.awsARNPartition = "aws";
    }

    rebuild();
}