Examples with AmazonDynamoDBClientBuilder com.amazonaws.services.dynamodbv2.AmazonDynamoDBClientBuilder used on opensource projects

Example 1 with AmazonDynamoDBClientBuilder

use of com.amazonaws.services.dynamodbv2.AmazonDynamoDBClientBuilder in project YCSB by brianfrankcooper.

the class DynamoDBClient method init.

@Override
public void init() throws DBException {
    String debug = getProperties().getProperty("dynamodb.debug", null);
    if (null != debug && "true".equalsIgnoreCase(debug)) {
        LOGGER.setLevel(Level.DEBUG);
    }
    String configuredEndpoint = getProperties().getProperty("dynamodb.endpoint", null);
    String credentialsFile = getProperties().getProperty("dynamodb.awsCredentialsFile", null);
    String primaryKey = getProperties().getProperty("dynamodb.primaryKey", null);
    String primaryKeyTypeString = getProperties().getProperty("dynamodb.primaryKeyType", null);
    String consistentReads = getProperties().getProperty("dynamodb.consistentReads", null);
    String connectMax = getProperties().getProperty("dynamodb.connectMax", null);
    String configuredRegion = getProperties().getProperty("dynamodb.region", null);
    if (null != connectMax) {
        this.maxConnects = Integer.parseInt(connectMax);
    }
    if (null != consistentReads && "true".equalsIgnoreCase(consistentReads)) {
        this.consistentRead = true;
    }
    if (null != configuredEndpoint) {
        this.endpoint = configuredEndpoint;
    }
    if (null == primaryKey || primaryKey.length() < 1) {
        throw new DBException("Missing primary key attribute name, cannot continue");
    }
    if (null != primaryKeyTypeString) {
        try {
            this.primaryKeyType = PrimaryKeyType.valueOf(primaryKeyTypeString.trim().toUpperCase());
        } catch (IllegalArgumentException e) {
            throw new DBException("Invalid primary key mode specified: " + primaryKeyTypeString + ". Expecting HASH or HASH_AND_RANGE.");
        }
    }
    if (this.primaryKeyType == PrimaryKeyType.HASH_AND_RANGE) {
        // When the primary key type is HASH_AND_RANGE, keys used by YCSB
        // are range keys so we can benchmark performance of individual hash
        // partitions. In this case, the user must specify the hash key's name
        // and optionally can designate a value for the hash key.
        String configuredHashKeyName = getProperties().getProperty("dynamodb.hashKeyName", null);
        if (null == configuredHashKeyName || configuredHashKeyName.isEmpty()) {
            throw new DBException("Must specify a non-empty hash key name when the primary key type is HASH_AND_RANGE.");
        }
        this.hashKeyName = configuredHashKeyName;
        this.hashKeyValue = getProperties().getProperty("dynamodb.hashKeyValue", DEFAULT_HASH_KEY_VALUE);
    }
    if (null != configuredRegion && configuredRegion.length() > 0) {
        region = configuredRegion;
    }
    try {
        AmazonDynamoDBClientBuilder dynamoDBBuilder = AmazonDynamoDBClientBuilder.standard();
        dynamoDBBuilder = null == endpoint ? dynamoDBBuilder.withRegion(this.region) : dynamoDBBuilder.withEndpointConfiguration(new AwsClientBuilder.EndpointConfiguration(this.endpoint, this.region));
        dynamoDB = dynamoDBBuilder.withClientConfiguration(new ClientConfiguration().withTcpKeepAlive(true).withMaxConnections(this.maxConnects)).withCredentials(new AWSStaticCredentialsProvider(new PropertiesCredentials(new File(credentialsFile)))).build();
        primaryKeyName = primaryKey;
        LOGGER.info("dynamodb connection created with " + this.endpoint);
    } catch (Exception e1) {
        LOGGER.error("DynamoDBClient.init(): Could not initialize DynamoDB client.", e1);
    }
}