Example usage for com.amazonaws.services.dynamodbv2.model ScalarAttributeType N

List of usage examples for com.amazonaws.services.dynamodbv2.model ScalarAttributeType N

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Introduction

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

Prototype

ScalarAttributeType N

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Usage

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 {//w  w  w  .j  a  v a 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());
    }
}

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 ww.j av 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());
    }
}

From source file:AmazonDynamoDBSample.java

License:Open Source License

public static void main(String[] args) throws Exception {
    init();//from  ww  w.ja v a2 s  .c om

    try {
        String tableName = "storyTable";

        // Create table if it does not exist yet
        if (Tables.doesTableExist(dynamoDB, tableName)) {
            System.out.println("Table " + tableName + " is already ACTIVE");
        } else {
            // Create a table with a primary hash key named 'name', which holds a string
            CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName)
                    .withKeySchema(
                            new KeySchemaElement().withAttributeName("storyID").withKeyType(KeyType.HASH))
                    .withAttributeDefinitions(new AttributeDefinition().withAttributeName("storyID")
                            .withAttributeType(ScalarAttributeType.N))
                    .withProvisionedThroughput(
                            new ProvisionedThroughput().withReadCapacityUnits(1L).withWriteCapacityUnits(1L));
            TableDescription createdTableDescription = dynamoDB.createTable(createTableRequest)
                    .getTableDescription();
            System.out.println("Created Table: " + createdTableDescription);

            // Wait for it to become active
            System.out.println("Waiting for " + tableName + " to become ACTIVE...");
            Tables.awaitTableToBecomeActive(dynamoDB, tableName);
        }

        // Describe our new table
        DescribeTableRequest describeTableRequest = new DescribeTableRequest().withTableName(tableName);
        TableDescription tableDescription = dynamoDB.describeTable(describeTableRequest).getTable();
        System.out.println("Table Description: " + tableDescription);
        Timestamp currentTimestamp = new Timestamp(Calendar.getInstance().getTime().getTime());
        System.out.println(currentTimestamp);
        ByteBuffer b = createBody();
        int id1 = 1;
        int id2 = 2;
        double d1 = 0;
        double d2 = 1;
        Timestamp inputTimestamp = currentTimestamp;
        // Add an item
        Map<String, AttributeValue> item = newItem(id1, "JAM", "This is JAM", b, inputTimestamp, inputTimestamp,
                d1, d2);
        System.out.println("here");

        PutItemRequest putItemRequest = new PutItemRequest(tableName, item);
        System.out.println("here2");
        System.out.println(item);
        System.out.println(putItemRequest);
        PutItemResult putItemResult = dynamoDB.putItem(putItemRequest);
        System.out.println("here3");
        System.out.println("Result: " + putItemResult);

        // Add another item
        item = newItem(id2, "JAM2", "This is JAM2", b, inputTimestamp, inputTimestamp, d1, d2);
        putItemRequest = new PutItemRequest(tableName, item);
        putItemResult = dynamoDB.putItem(putItemRequest);
        System.out.println("Result: " + putItemResult);

        // Scan items for movies with a year attribute greater than 1985
        //            HashMap<String, Condition> scanFilter = new HashMap<String, Condition>();
        //            Condition condition = new Condition()
        //                .withComparisonOperator(ComparisonOperator.GT)
        //                .withAttributeValueList(new AttributeValue());
        //            scanFilter.put("year", condition);
        //            ScanRequest scanRequest = new ScanRequest(tableName).withScanFilter(scanFilter);
        //            ScanResult scanResult = dynamoDB.scan(scanRequest);
        //            System.out.println("Result: " + scanResult);

    } catch (AmazonServiceException ase) {
        System.out.println("Caught an AmazonServiceException, which means your request made it "
                + "to AWS, but was rejected with an error response for some reason.");
        System.out.println("Error Message:    " + ase.getMessage());
        System.out.println("HTTP Status Code: " + ase.getStatusCode());
        System.out.println("AWS Error Code:   " + ase.getErrorCode());
        System.out.println("Error Type:       " + ase.getErrorType());
        System.out.println("Request ID:       " + ase.getRequestId());
    } catch (AmazonClientException ace) {
        System.out.println("Caught an AmazonClientException, which means the client encountered "
                + "a serious internal problem while trying to communicate with AWS, "
                + "such as not being able to access the network.");
        System.out.println("Error Message: " + ace.getMessage());
    }
}

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  ww . ja  v a  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());
    }
}

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  w  ww. j  a va  2 s.  co  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());
    }
}

From source file:MonitorTableCreator.java

License:Open Source License

public static void main(String[] args) throws Exception {
    init();/*w  ww  .j a v a  2s  . c o  m*/
    long readCapacity = 2L;
    long writeCapacity = 2L;
    try {
        String tableName = "monitor";

        //          DeleteTableRequest deleteTableRequest = new DeleteTableRequest(tableName);
        //          dynamoDB.deleteTable(deleteTableRequest);
        //          
        //          waitForTableToBecomeAvailable(tableName);

        // Create a table with a primary hash key named 'name', which holds a string
        CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName)
                .withKeySchema(new KeySchemaElement().withAttributeName("id").withKeyType(KeyType.HASH))
                .withAttributeDefinitions(new AttributeDefinition().withAttributeName("id")
                        .withAttributeType(ScalarAttributeType.N))
                .withProvisionedThroughput(new ProvisionedThroughput().withReadCapacityUnits(readCapacity)
                        .withWriteCapacityUnits(writeCapacity));
        TableDescription createdTableDescription = dynamoDB.createTable(createTableRequest)
                .getTableDescription();
        System.out.println("Created Table: " + createdTableDescription);

        // Wait for it to become active
        waitForTableToBecomeAvailable(tableName);

        // Describe our new table
        DescribeTableRequest describeTableRequest = new DescribeTableRequest().withTableName(tableName);
        TableDescription tableDescription = dynamoDB.describeTable(describeTableRequest).getTable();
        System.out.println("Table Description: " + tableDescription);

    } catch (AmazonServiceException ase) {
        System.out.println("Caught an AmazonServiceException, which means your request made it "
                + "to AWS, but was rejected with an error response for some reason.");
        System.out.println("Error Message:    " + ase.getMessage());
        System.out.println("HTTP Status Code: " + ase.getStatusCode());
        System.out.println("AWS Error Code:   " + ase.getErrorCode());
        System.out.println("Error Type:       " + ase.getErrorType());
        System.out.println("Request ID:       " + ase.getRequestId());
    } catch (AmazonClientException ace) {
        System.out.println("Caught an AmazonClientException, which means the client encountered "
                + "a serious internal problem while trying to communicate with AWS, "
                + "such as not being able to access the network.");
        System.out.println("Error Message: " + ace.getMessage());
    }
}

From source file:amazon.dynamodb.util.GeoTableUtil.java

License:Open Source License

/**
 * <p>//w  w  w . j ava 2s .c om
 * Construct a create table request object based on GeoDataManagerConfiguration. The users can update any aspect of
 * the request and call it.
 * </p>
 * Example:
 * 
 * <pre>
 * AmazonDynamoDBClient ddb = new AmazonDynamoDBClient(new ClasspathPropertiesFileCredentialsProvider());
 * Region usWest2 = Region.getRegion(Regions.US_WEST_2);
 * ddb.setRegion(usWest2);
 * 
 * CreateTableRequest createTableRequest = GeoTableUtil.getCreateTableRequest(config);
 * CreateTableResult createTableResult = ddb.createTable(createTableRequest);
 * </pre>
 * 
 * @return Generated create table request.
 */
public static CreateTableRequest getCreateTableRequest(GeoDataManagerConfiguration config) {
    CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(config.getTableName())
            .withProvisionedThroughput(
                    new ProvisionedThroughput().withReadCapacityUnits(10L).withWriteCapacityUnits(5L))
            .withKeySchema(
                    new KeySchemaElement().withKeyType(KeyType.HASH)
                            .withAttributeName(config.getHashKeyAttributeName()),
                    new KeySchemaElement().withKeyType(KeyType.RANGE)
                            .withAttributeName(config.getRangeKeyAttributeName()))
            .withAttributeDefinitions(
                    new AttributeDefinition().withAttributeType(ScalarAttributeType.N)
                            .withAttributeName(config.getHashKeyAttributeName()),
                    new AttributeDefinition().withAttributeType(ScalarAttributeType.S)
                            .withAttributeName(config.getRangeKeyAttributeName()),
                    new AttributeDefinition().withAttributeType(ScalarAttributeType.N)
                            .withAttributeName(config.getGeohashAttributeName()))
            .withLocalSecondaryIndexes(new LocalSecondaryIndex().withIndexName(config.getGeohashIndexName())
                    .withKeySchema(
                            new KeySchemaElement().withKeyType(KeyType.HASH)
                                    .withAttributeName(config.getHashKeyAttributeName()),
                            new KeySchemaElement().withKeyType(KeyType.RANGE)
                                    .withAttributeName(config.getGeohashAttributeName()))
                    .withProjection(new Projection().withProjectionType(ProjectionType.ALL)));

    return createTableRequest;
}

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 {//from  w w w.j  a v  a2 s .  c om
            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);
}

From source file:com.amazon.services.awsrum.utils.DynamoDBUtils.java

License:Open Source License

private static boolean tableHasCorrectSchema(AmazonDynamoDBClient client, String tableName, String key,
        String rangeKey) {/*from   ww w  .  j av a2  s . c o  m*/
    DescribeTableRequest describeTableRequest = new DescribeTableRequest();
    describeTableRequest.setTableName(tableName);
    DescribeTableResult describeTableResult = client.describeTable(describeTableRequest);
    TableDescription tableDescription = describeTableResult.getTable();
    if (tableDescription.getAttributeDefinitions().size() != 2) {
        LOG.error("The number of attribute definitions does not match the existing table.");
        return false;
    }
    AttributeDefinition attributeDefinition = tableDescription.getAttributeDefinitions().get(0);
    if (!attributeDefinition.getAttributeName().equals(key)
            || !attributeDefinition.getAttributeType().equals(ScalarAttributeType.S.toString())) {
        if (!attributeDefinition.getAttributeName().equals(rangeKey)
                || !attributeDefinition.getAttributeType().equals(ScalarAttributeType.N.toString())) {
            LOG.error("Attribute name or type does not match existing table.");
            return false;
        }
    }
    if (!attributeDefinition.getAttributeName().equals(rangeKey)
            || !attributeDefinition.getAttributeType().equals(ScalarAttributeType.N.toString())) {
        if (!attributeDefinition.getAttributeName().equals(key)
                || !attributeDefinition.getAttributeType().equals(ScalarAttributeType.S.toString())) {
            LOG.error("Attribute name or type does not match existing table.");
            return false;
        }
    }

    List<KeySchemaElement> KSEs = tableDescription.getKeySchema();
    if (KSEs.size() != 2) {
        LOG.error("The number of key schema elements does not match the existing table.");
        return false;
    }
    KeySchemaElement kse = KSEs.get(0);
    if (!kse.getAttributeName().equals(key) || !kse.getKeyType().equals(KeyType.HASH.toString())) {
        LOG.error("The hash key does not match the existing table.");
        return false;
    }
    KeySchemaElement seconndKse = KSEs.get(1);
    if (!seconndKse.getAttributeName().equals(rangeKey)
            || !seconndKse.getKeyType().equals(KeyType.RANGE.toString())) {
        LOG.error("The hash range key does not match the existing table.");
        return false;
    }
    return true;

}

From source file:com.envirover.spl.stream.DynamoDBOutputStream.java

License:Open Source License

@Override
public void open() throws IOException {
    AmazonDynamoDB dynamoDBClient = AmazonDynamoDBClientBuilder.defaultClient();

    if (TableUtils.createTableIfNotExists(dynamoDBClient,
            new CreateTableRequest().withTableName(tableName)
                    .withKeySchema(new KeySchemaElement(ATTR_DEVICE_ID, KeyType.HASH),
                            new KeySchemaElement(ATTR_TIME, KeyType.RANGE))
                    .withAttributeDefinitions(new AttributeDefinition(ATTR_DEVICE_ID, ScalarAttributeType.S),
                            new AttributeDefinition(ATTR_TIME, ScalarAttributeType.N))
                    .withProvisionedThroughput(new ProvisionedThroughput().withReadCapacityUnits(READ_CAPACITY)
                            .withWriteCapacityUnits(WRITE_CAPACITY)))) {

        try {/*  w ww  .ja v a  2s  .c  o  m*/
            TableUtils.waitUntilActive(dynamoDBClient, tableName);
        } catch (TableNeverTransitionedToStateException e) {
            throw new IOException(e);
        } catch (InterruptedException e) {
            throw new IOException(e);
        }

        logger.info(MessageFormat.format("DynamoDB table ''{0}'' created.", tableName));
    }

    dynamoDB = new DynamoDB(dynamoDBClient);
}