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

List of usage examples 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() 

Source Link

Document

Default constructor for KeySchemaElement object.

Usage

From source file:whgHelper.java

License:Open Source License

public static void setTable(AmazonDynamoDBClient dynamoDB, String tableName) {

    // Create table if it does not exist yet
    if (Tables.doesTableExist(dynamoDB, tableName)) {
        System.out.println("Table " + tableName + " is already ACTIVE");
    } else {//from ww w  .  jav a2 s .c o m
        // Create a table with a primary hash key named 'name', which holds a string
        CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName)
                .withKeySchema(new KeySchemaElement().withAttributeName("alertId").withKeyType(KeyType.HASH))
                .withAttributeDefinitions(new AttributeDefinition().withAttributeName("alertId")
                        .withAttributeType(ScalarAttributeType.S))
                .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.waitForTableToBecomeActive(dynamoDB, tableName);
    }
    return;
}

From source file:AmazonDynamoDBSample_PutThrottled.java

License:Open Source License

public static void main(String[] args) throws Exception {
    init();//from w  ww.ja va2  s  . co  m

    try {
        String tableName = "my-favorite-movies-table";

        // Create a table with a primary hash key named 'name', which holds
        // a string
        CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName)
                .withKeySchema(new KeySchemaElement().withAttributeName("name").withKeyType(KeyType.HASH))
                .withAttributeDefinitions(new AttributeDefinition().withAttributeName("name")
                        .withAttributeType(ScalarAttributeType.S))
                .withProvisionedThroughput(
                        new ProvisionedThroughput().withReadCapacityUnits(1L).withWriteCapacityUnits(1L));

        // Create table if it does not exist yet
        TableUtils.createTableIfNotExists(dynamoDB, createTableRequest);
        // wait for the table to move into ACTIVE state
        TableUtils.waitUntilActive(dynamoDB, tableName);

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

        // Add an item
        Map<String, AttributeValue> item = newItem("Bill & Ted's Excellent Adventure", 1989, "****", "James",
                "Sara");
        PutItemRequest putItemRequest = new PutItemRequest(tableName, item);
        PutItemResult putItemResult = dynamoDB.putItem(putItemRequest);
        System.out.println("Result: " + putItemResult);

        // Add another item
        item = newItem("Airplane", 1980, "*****", "James", "Billy Bob");
        putItemRequest = new PutItemRequest(tableName, item);
        putItemResult = dynamoDB.putItem(putItemRequest);
        System.out.println("Result: " + putItemResult);

        Thread[] thrds = new Thread[16];
        for (int i = 0; i < thrds.length; i++) {
            thrds[i] = newItemCreationThread(tableName, i);
            thrds[i].start();
        }
        for (Thread thrd : thrds) {
            thrd.join();
        }

        // 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.toString())
                .withAttributeValueList(new AttributeValue().withN("1985"));
        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:TableCreator.java

License:Open Source License

public static void main(String[] args) throws Exception {
    init();//from  w  ww. j a v  a  2s .com
    long readCapacity = Long.valueOf(args[0]);
    long writeCapacity = Long.valueOf(args[1]);
    try {
        String tableName = "messages";

        //          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("messageId").withKeyType(KeyType.HASH))
                .withAttributeDefinitions(new AttributeDefinition().withAttributeName("messageId")
                        .withAttributeType(ScalarAttributeType.S))
                .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:DynamoDB.java

License:Open Source License

public void createTable() throws InterruptedException {
    // Create table if it does not exist yet
    if (Tables.doesTableExist(dynamoDB, tableName)) {
        System.out.println("Table " + tableName + " is already ACTIVE");
    } else {//w w  w.ja v a  2s.  c o m
        // 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.S))
                .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);
    }

}

From source file:AmazonDynamoDBSample.java

License:Open Source License

public static void main(String[] args) throws Exception {
    init();//  ww w.  j a  v  a2 s. com

    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:MonitorTableCreator.java

License:Open Source License

public static void main(String[] args) throws Exception {
    init();//from w w w .  j  av a  2s. c  om
    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>//from   www.ja v  a 2s.c o m
 * 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:awslabs.lab22.SolutionCode.java

License:Open Source License

@Override
public void buildTable(AmazonDynamoDBClient ddbClient, String tableName) {
    System.out.println("Creating table.");
    CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName);
    createTableRequest.setAttributeDefinitions(new ArrayList<AttributeDefinition>());
    // Define attributes
    createTableRequest.getAttributeDefinitions()
            .add(new AttributeDefinition().withAttributeName("Company").withAttributeType("S"));
    createTableRequest.getAttributeDefinitions()
            .add(new AttributeDefinition().withAttributeName("Email").withAttributeType("S"));
    // Define key schema
    createTableRequest.setKeySchema(new ArrayList<KeySchemaElement>());
    createTableRequest.getKeySchema()/*from w ww  .ja  va2  s. com*/
            .add(new KeySchemaElement().withAttributeName("Company").withKeyType("HASH"));
    createTableRequest.getKeySchema()
            .add(new KeySchemaElement().withAttributeName("Email").withKeyType("RANGE"));
    // Define provisioned throughput
    createTableRequest.setProvisionedThroughput(
            new ProvisionedThroughput().withReadCapacityUnits(10L).withWriteCapacityUnits(5L));

    // Submit create request
    ddbClient.createTable(createTableRequest);
    // Pause until the table is active
    waitForStatus(ddbClient, tableName, "ACTIVE");
    System.out.println("Table created and active.");
}

From source file:awslabs.lab51.SolutionCode.java

License:Open Source License

@Override
public void buildTable(AmazonDynamoDBClient ddbClient, String tableName) {
    CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName);
    createTableRequest.setAttributeDefinitions(new ArrayList<AttributeDefinition>());
    // Define attributes
    createTableRequest.getAttributeDefinitions()
            .add(new AttributeDefinition().withAttributeName("Key").withAttributeType("S"));
    createTableRequest.getAttributeDefinitions()
            .add(new AttributeDefinition().withAttributeName("Bucket").withAttributeType("S"));
    // Define key schema
    createTableRequest.setKeySchema(new ArrayList<KeySchemaElement>());
    createTableRequest.getKeySchema().add(new KeySchemaElement().withAttributeName("Key").withKeyType("HASH"));
    createTableRequest.getKeySchema()//from   w w  w . ja v a2 s . c om
            .add(new KeySchemaElement().withAttributeName("Bucket").withKeyType("RANGE"));
    // Define provisioned throughput
    createTableRequest.setProvisionedThroughput(
            new ProvisionedThroughput().withReadCapacityUnits(5L).withWriteCapacityUnits(5L));

    // Submit create request
    ddbClient.createTable(createTableRequest);
    // Pause until the table is active
    waitForStatus(ddbClient, tableName, "ACTIVE");
    labController.logMessageToPage("Table created and active.");
}

From source file:br.com.faccilitacorretor.middleware.dynamo.AmazonDynamoDBSample.java

License:Open Source License

public static void main(String[] args) throws Exception {
    init();//from w  w w  . ja va2s  . c o m

    try {
        String tableName = "my-favorite-movies-table";

        // 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("name").withKeyType(KeyType.HASH))
                    .withAttributeDefinitions(new AttributeDefinition().withAttributeName("name")
                            .withAttributeType(ScalarAttributeType.S))
                    .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);

        // Add an item
        Map<String, AttributeValue> item = newItem("Bill & Ted's Excellent Adventure", 1989, "****", "James",
                "Sara");
        PutItemRequest putItemRequest = new PutItemRequest(tableName, item);
        PutItemResult putItemResult = dynamoDB.putItem(putItemRequest);
        System.out.println("Result: " + putItemResult);

        // Add another item
        item = newItem("Airplane", 1980, "*****", "James", "Billy Bob");
        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.toString())
                .withAttributeValueList(new AttributeValue().withN("1985"));
        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());
    }
}