Example usage for com.amazonaws.services.dynamodbv2.model KeyType HASH

List of usage examples for com.amazonaws.services.dynamodbv2.model KeyType HASH

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

Prototype

KeyType HASH

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Usage

From source file:com.innoq.hagmans.bachelor.DynamoDBUtils.java

License:Open Source License

/**
 * Creates the table to store our temperatures in with a hash key of
 * "sensor" and a range key of "timestamp" so we can query counts for a
 * given sensor by time. This uses an initial provisioned throughput of 10
 * read capacity units and 5 write capacity units
 * //w  w  w.  j  a  v  a2  s  . c  o m
 * @param tableName
 *            The name of the table to create.
 */
public void createTemperatureTableIfNotExists(String tableName) {
    List<KeySchemaElement> ks = new ArrayList<>();
    ks.add(new KeySchemaElement().withKeyType(KeyType.HASH).withAttributeName(ATTRIBUTE_NAME_HASH_KEY));
    ks.add(new KeySchemaElement().withKeyType(KeyType.RANGE).withAttributeName(ATTRIBUTE_NAME_RANGE_KEY));

    ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<>();
    attributeDefinitions.add(new AttributeDefinition().withAttributeName(ATTRIBUTE_NAME_HASH_KEY)
            .withAttributeType(ScalarAttributeType.S));
    // Range key must be a String. DynamoDBMapper translates Dates to
    // ISO8601 strings.
    attributeDefinitions.add(new AttributeDefinition().withAttributeName(ATTRIBUTE_NAME_RANGE_KEY)
            .withAttributeType(ScalarAttributeType.S));

    // Create the table with enough write IOPS to handle 5 distinct
    // resources updated every 1 second:
    // 1 update/second * 5 resources = 5 write IOPS.
    // The provisioned throughput will need to be adjusted if the cadinality
    // of the input data or the interval for
    // updates changes.
    CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName)
            .withProvisionedThroughput(new ProvisionedThroughput(10L, 5L)).withKeySchema(ks)
            .withAttributeDefinitions(attributeDefinitions);

    try {
        amazonDynamoDB.createTable(createTableRequest);

        LOG.info(String.format("Created DynamoDB table: %s. Waiting up to 5 minutes for it to become ACTIVE...",
                tableName));
        // Wait 5 minutes for the table to become ACTIVE
        if (!waitUntilTableIsActive(tableName, 10, TimeUnit.MINUTES.toSeconds(5))) {
            throw new IllegalStateException(
                    String.format("Timed out while waiting for DynamoDB table %s to become ready", tableName));
        }
    } catch (ResourceInUseException ex) {
        // Assume table exists and is ready to use
    }
}

From source file:com.intuit.tank.persistence.databases.AmazonDynamoDatabaseDocApi.java

License:Open Source License

/**
 * /* ww w. j  ava  2  s  . c om*/
 * @{inheritDoc
 */
@Override
public void createTable(String tableName) {
    try {
        if (!hasTable(tableName)) {
            logger.info("Creating table: " + tableName);
            HierarchicalConfiguration resultsProviderConfig = config.getVmManagerConfig()
                    .getResultsProviderConfig();
            long readCapacity = getCapacity(resultsProviderConfig, "read-capacity", 10L);
            long writeCapacity = getCapacity(resultsProviderConfig, "write-capacity", 50L);
            ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<AttributeDefinition>();
            attributeDefinitions
                    .add(new AttributeDefinition().withAttributeName(DatabaseKeys.JOB_ID_KEY.getShortKey())
                            .withAttributeType(ScalarAttributeType.S));
            attributeDefinitions.add(
                    new AttributeDefinition().withAttributeName(DatabaseKeys.REQUEST_NAME_KEY.getShortKey())
                            .withAttributeType(ScalarAttributeType.S));
            ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput()
                    .withReadCapacityUnits(readCapacity).withWriteCapacityUnits(writeCapacity);
            KeySchemaElement hashKeyElement = new KeySchemaElement()
                    .withAttributeName(DatabaseKeys.JOB_ID_KEY.getShortKey()).withKeyType(KeyType.HASH);
            KeySchemaElement rangeKeyElement = new KeySchemaElement()
                    .withAttributeName(DatabaseKeys.REQUEST_NAME_KEY.getShortKey()).withKeyType(KeyType.RANGE);
            CreateTableRequest request = new CreateTableRequest().withTableName(tableName)
                    .withKeySchema(hashKeyElement, rangeKeyElement)
                    .withAttributeDefinitions(attributeDefinitions)
                    .withProvisionedThroughput(provisionedThroughput);

            CreateTableResult result = dynamoDb.createTable(request);
            waitForStatus(tableName, TableStatus.ACTIVE);
            logger.info("Created table: " + result.getTableDescription().getTableName());
        }
    } catch (Exception t) {
        logger.error(t, t);
        throw new RuntimeException(t);
    }
}

From source file:com.kinesis.datavis.utils.DynamoDBUtils.java

License:Open Source License

public void createCountTableIfNotExists(String tableName, String attrHash, String attrRange) {
    List<KeySchemaElement> ks = new ArrayList<>();
    ks.add(new KeySchemaElement().withKeyType(KeyType.HASH).withAttributeName(attrHash));
    ks.add(new KeySchemaElement().withKeyType(KeyType.RANGE).withAttributeName(attrRange));

    ArrayList<AttributeDefinition> attributeDefinitions = new ArrayList<>();
    attributeDefinitions.add(/*w  w w  . j  av  a 2 s.  c o  m*/
            new AttributeDefinition().withAttributeName(attrHash).withAttributeType(ScalarAttributeType.S));
    // Range key must be a String. DynamoDBMapper translates Dates to ISO8601 strings.
    attributeDefinitions.add(
            new AttributeDefinition().withAttributeName(attrRange).withAttributeType(ScalarAttributeType.S));
    // Create the table with enough write IOPS to handle 5 distinct resources updated every 1 second:
    // 1 update/second * 5 resources = 5 write IOPS.
    // The provisioned throughput will need to be adjusted if the cadinality of the input data or the interval for
    // updates changes.
    CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName)
            .withProvisionedThroughput(new ProvisionedThroughput(10L, 5L)).withKeySchema(ks)
            .withAttributeDefinitions(attributeDefinitions);

    try {
        dynamoDB.createTable(createTableRequest);

        LOG.info(String.format("Created DynamoDB table: %s. Waiting up to 5 minutes for it to become ACTIVE...",
                tableName));
        // Wait 5 minutes for the table to become ACTIVE
        if (!waitUntilTableIsActive(tableName, 10, TimeUnit.MINUTES.toSeconds(5))) {
            throw new IllegalStateException(
                    String.format("Timed out while waiting for DynamoDB table %s to become ready", tableName));
        }
    } catch (ResourceInUseException ex) {
        // Assume table exists and is ready to use
    }
}

From source file:com.lvl6.mobsters.dynamo.setup.TransactionExamples.java

License:Open Source License

public void setup() throws Exception {
    print("\n*** setup() ***\n");
    TableHelper tableHelper = new TableHelper(dynamodb);

    // 1. Verify that the transaction table exists, or create it if it doesn't exist
    print("Verifying or creating table " + TX_TABLE_NAME);
    TransactionManager.verifyOrCreateTransactionTable(dynamodb, TX_TABLE_NAME, 1, 1, null);

    // 2. Verify that the transaction item images table exists, or create it otherwise
    print("Verifying or creating table " + TX_IMAGES_TABLE_NAME);
    TransactionManager.verifyOrCreateTransactionImagesTable(dynamodb, TX_IMAGES_TABLE_NAME, 1, 1, null);

    // 3. Create a table to do transactions on
    print("Verifying or creating table " + EXAMPLE_TABLE_NAME);
    List<AttributeDefinition> attributeDefinitions = Arrays.asList(new AttributeDefinition()
            .withAttributeName(EXAMPLE_TABLE_HASH_KEY).withAttributeType(ScalarAttributeType.S));
    List<KeySchemaElement> keySchema = Arrays
            .asList(new KeySchemaElement().withAttributeName(EXAMPLE_TABLE_HASH_KEY).withKeyType(KeyType.HASH));
    ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput().withReadCapacityUnits(1L)
            .withWriteCapacityUnits(1L);

    tableHelper.verifyOrCreateTable(EXAMPLE_TABLE_NAME, attributeDefinitions, keySchema, null,
            provisionedThroughput, null);

    // 4. Wait for tables to be created
    print("Waiting for table to become ACTIVE: " + EXAMPLE_TABLE_NAME);
    tableHelper.waitForTableActive(EXAMPLE_TABLE_NAME, 5 * 60L);
    print("Waiting for table to become ACTIVE: " + TX_TABLE_NAME);
    tableHelper.waitForTableActive(TX_TABLE_NAME, 5 * 60L);
    print("Waiting for table to become ACTIVE: " + TX_IMAGES_TABLE_NAME);
    tableHelper.waitForTableActive(TX_IMAGES_TABLE_NAME, 5 * 60L);
}

From source file:com.makariev.dynamodb.data.tables.creators.ReplyCreator.java

License:Apache License

@Override
public CreateTableRequest getCreateTableRequest() {
    final String tableName = Reply.TABLE_NAME;
    final String hashKeyName = "Id";
    final ScalarAttributeType hashKeyType = ScalarAttributeType.S;
    final Long readCapacityUnits = 10L;
    final Long writeCapacityUnits = 10L;

    final String rangeKeyName = "ReplyDateTime";
    final ScalarAttributeType rangeKeyType = ScalarAttributeType.S;

    ////////////////
    final CreateTableRequest request = basicTable(tableName, readCapacityUnits, writeCapacityUnits, hashKeyName,
            hashKeyType);/*from w  ww  . j a  va 2s.  c om*/
    ///////////////////////
    //defining range key 
    request.getKeySchema()
            .add(new KeySchemaElement().withAttributeName(rangeKeyName).withKeyType(KeyType.RANGE));
    //defining range key 
    request.getAttributeDefinitions()
            .add(new AttributeDefinition().withAttributeName(rangeKeyName).withAttributeType(rangeKeyType));
    //////////////////////

    //follows defininig of a local secondary index
    request.getAttributeDefinitions().add(
            new AttributeDefinition().withAttributeName("PostedBy").withAttributeType(ScalarAttributeType.S));

    final List<KeySchemaElement> iks = new ArrayList<>();
    iks.add(new KeySchemaElement().withAttributeName(hashKeyName).withKeyType(KeyType.HASH));
    iks.add(new KeySchemaElement().withAttributeName("PostedBy").withKeyType(KeyType.RANGE));

    final LocalSecondaryIndex localSecondaryIndex = new LocalSecondaryIndex().withIndexName("PostedByIndex")
            .withKeySchema(iks).withProjection(new Projection().withProjectionType(ProjectionType.KEYS_ONLY));

    final List<LocalSecondaryIndex> localSecondaryIndexes = new ArrayList<>();
    localSecondaryIndexes.add(localSecondaryIndex);

    request.setLocalSecondaryIndexes(localSecondaryIndexes);

    return request;
}

From source file:com.makariev.dynamodb.data.tables.creators.UserPreferenceCreator.java

License:Apache License

@Override
public CreateTableRequest getCreateTableRequest() {
    final String tableName = UserPreference.TABLE_NAME;
    final String hashKeyName = "userNo";
    final ScalarAttributeType hashKeyType = ScalarAttributeType.N;
    final Long readCapacityUnits = 10L;
    final Long writeCapacityUnits = 10L;

    ////////////////
    final CreateTableRequest request = basicTable(tableName, readCapacityUnits, writeCapacityUnits, hashKeyName,
            hashKeyType);//from   w w  w .  j  a  v a  2  s .  c  o m

    //define GlobalSecondaryIndex
    request.getAttributeDefinitions().add(
            new AttributeDefinition().withAttributeName("firstName").withAttributeType(ScalarAttributeType.S));

    request.getAttributeDefinitions().add(
            new AttributeDefinition().withAttributeName("lastName").withAttributeType(ScalarAttributeType.S));

    // NameIndex
    final GlobalSecondaryIndex nameIndex = new GlobalSecondaryIndex().withIndexName(UserPreference.NAME_INDEX)
            .withProvisionedThroughput(
                    new ProvisionedThroughput().withReadCapacityUnits(10L).withWriteCapacityUnits(10L))
            .withProjection(new Projection().withProjectionType("ALL"));

    final List<KeySchemaElement> indexKeySchema = new ArrayList<>();

    indexKeySchema.add(new KeySchemaElement().withAttributeName("firstName").withKeyType(KeyType.HASH));
    indexKeySchema.add(new KeySchemaElement().withAttributeName("lastName").withKeyType(KeyType.RANGE));

    nameIndex.setKeySchema(indexKeySchema);

    request.withGlobalSecondaryIndexes(nameIndex);
    return request;
}

From source file:com.makariev.dynamodb.data.tables.TableRequestCreatorHelper.java

License:Apache License

public static CreateTableRequest basicTable(String tableName, Long readCapacityUnits, Long writeCapacityUnits,
        String hashKeyName, ScalarAttributeType hashKeyType) {

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

    final List<AttributeDefinition> attributeDefinitions = new ArrayList<>();
    attributeDefinitions//w w w .j  a  v  a 2  s .c o m
            .add(new AttributeDefinition().withAttributeName(hashKeyName).withAttributeType(hashKeyType));

    // Provide initial provisioned throughput values as Java long data types
    final ProvisionedThroughput provisionedthroughput = new ProvisionedThroughput()
            .withReadCapacityUnits(readCapacityUnits).withWriteCapacityUnits(writeCapacityUnits);

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

    return request;
}

From source file:com.mortardata.pig.storage.DynamoDBStorage.java

License:Apache License

/**
 * HELPERS//from   w w  w  .j av a2 s.co m
 *
 * @throws IOException
 **/

private void checkPigSchemaForDynamo(ResourceSchema schema) throws IOException {
    // extract field names
    Set<String> fieldNames = Sets.newHashSetWithExpectedSize(schema.getFields().length);
    for (ResourceFieldSchema field : schema.getFields()) {
        String fieldName = field.getName();
        if (fieldNames.contains(fieldName)) {
            throw new IOException(
                    "Schema cannot contain duplicated field name. Found duplicated: " + fieldName);
        }
        if (field.getType() == DataType.MAP || field.getType() == DataType.TUPLE
                || field.getType() == DataType.BAG) {
            throw new IOException(
                    "DynamoDBStorage can not store map, tuple, or bag types.  Found one in field name: "
                            + fieldName);
        }
        fieldNames.add(fieldName);
    }

    // ensure that Dynamo table primary keys are found in field names
    DescribeTableResult describe = describeDynamoTable();
    List<KeySchemaElement> keySchemaElements = describe.getTable().getKeySchema();

    for (KeySchemaElement keySchemaElement : keySchemaElements) {
        String expectedFieldName = keySchemaElement.getAttributeName();

        if (KeyType.valueOf(keySchemaElement.getKeyType()) == KeyType.HASH) {
            if (!fieldNames.contains(expectedFieldName)) {
                throw new IOException("Dynamo table " + this.tableName + " hash primary key ["
                        + expectedFieldName + "] not found in " + " pig schema fields: " + fieldNames);
            }
        } else if (KeyType.valueOf(keySchemaElement.getKeyType()) == KeyType.RANGE) {
            if (!fieldNames.contains(expectedFieldName)) {
                throw new IOException("Dynamo table " + this.tableName + " range secondary key ["
                        + expectedFieldName + "] not found in " + " pig schema fields: " + fieldNames);
            }
        }
    }

}

From source file:com.mycompany.rproject.runnableClass.java

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

    List<KeySchemaElement> ks = new ArrayList<KeySchemaElement>();
    ks.add(new KeySchemaElement().withAttributeName("ID").withKeyType(KeyType.HASH));

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

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

    try {/*from   w  w  w  . j av  a2  s . c  o  m*/

        CreateTableResult createdTableDescription = dynamoDBClient.createTable(request);

        System.out.println("Created table:" + createdTableDescription);
        // Wait for it to become active
        waitForTableToBecomeAvailable(TABLENAME);

    } catch (ResourceInUseException e) {

        //logger.warn(e);
    }
}

From source file:com.netflix.config.sources.DynamoDbIntegrationTestHelper.java

License:Apache License

static void createTable(AmazonDynamoDB dbClient, String tableName) throws InterruptedException {
    //TODO check to make sure the table isn't being created or deleted.
    KeySchemaElement hashKey = new KeySchemaElement()
            .withAttributeName(DynamoDbConfigurationSource.defaultKeyAttribute).withKeyType(KeyType.HASH);

    ProvisionedThroughput provisionedThroughput = new ProvisionedThroughput().withReadCapacityUnits(1L)
            .withWriteCapacityUnits(1L);

    dbClient.createTable(new CreateTableRequest().withTableName(tableName).withKeySchema(hashKey)
            .withProvisionedThroughput(provisionedThroughput));

    while (!dbClient.describeTable(new DescribeTableRequest().withTableName(tableName)).getTable()
            .getTableStatus().equalsIgnoreCase("active")) {
        Thread.sleep(10000);/*w  w w .j a  va  2s .co m*/
    }
}