Examples with DriverOption com.datastax.oss.driver.api.core.config.DriverOption used on opensource projects

Example 1 with DriverOption

use of com.datastax.oss.driver.api.core.config.DriverOption in project zeppelin by apache.

the class CassandraInterpreter method createLoader.

private DriverConfigLoader createLoader() {
    LOGGER.debug("Creating programmatic config loader");
    // start generation of the config
    ProgrammaticDriverConfigLoaderBuilder configBuilder = DriverConfigLoader.programmaticBuilder();
    Map<DriverOption, String> allOptions = new HashMap<>();
    // set options from main configuration
    String ts = getProperty(CASSANDRA_SOCKET_CONNECTION_TIMEOUT_MILLIS, CassandraInterpreter.DEFAULT_CONNECTION_TIMEOUT) + MILLISECONDS_STR;
    allOptions.put(DefaultDriverOption.CONNECTION_INIT_QUERY_TIMEOUT, ts);
    allOptions.put(DefaultDriverOption.CONTROL_CONNECTION_TIMEOUT, ts);
    allOptions.put(DefaultDriverOption.REQUEST_TIMEOUT, getProperty(CASSANDRA_SOCKET_READ_TIMEOUT_MILLIS, CassandraInterpreter.DEFAULT_READ_TIMEOUT) + MILLISECONDS_STR);
    addIfNotBlank(allOptions, getProperty(CASSANDRA_SOCKET_TCP_NO_DELAY, CassandraInterpreter.DEFAULT_TCP_NO_DELAY), DefaultDriverOption.SOCKET_TCP_NODELAY);
    addIfNotBlank(allOptions, getProperty(CASSANDRA_SOCKET_KEEP_ALIVE), DefaultDriverOption.SOCKET_KEEP_ALIVE);
    addIfNotBlank(allOptions, getProperty(CASSANDRA_SOCKET_RECEIVED_BUFFER_SIZE_BYTES), DefaultDriverOption.SOCKET_RECEIVE_BUFFER_SIZE);
    addIfNotBlank(allOptions, getProperty(CASSANDRA_SOCKET_SEND_BUFFER_SIZE_BYTES), DefaultDriverOption.SOCKET_SEND_BUFFER_SIZE);
    addIfNotBlank(allOptions, getProperty(CASSANDRA_SOCKET_REUSE_ADDRESS), DefaultDriverOption.SOCKET_REUSE_ADDRESS);
    addIfNotBlank(allOptions, getProperty(CASSANDRA_SOCKET_SO_LINGER), DefaultDriverOption.SOCKET_LINGER_INTERVAL);
    addIfNotBlank(allOptions, getProperty(CASSANDRA_QUERY_DEFAULT_IDEMPOTENCE), DefaultDriverOption.REQUEST_DEFAULT_IDEMPOTENCE);
    allOptions.put(DefaultDriverOption.REQUEST_CONSISTENCY, getProperty(CASSANDRA_QUERY_DEFAULT_CONSISTENCY, CassandraInterpreter.DEFAULT_CONSISTENCY));
    allOptions.put(DefaultDriverOption.REQUEST_SERIAL_CONSISTENCY, getProperty(CASSANDRA_QUERY_DEFAULT_SERIAL_CONSISTENCY, CassandraInterpreter.DEFAULT_SERIAL_CONSISTENCY));
    allOptions.put(DefaultDriverOption.REQUEST_PAGE_SIZE, getProperty(CASSANDRA_QUERY_DEFAULT_FETCH_SIZE, CassandraInterpreter.DEFAULT_FETCH_SIZE));
    ts = getProperty(CASSANDRA_PROTOCOL_VERSION, DEFAULT_PROTOCOL_VERSION);
    if (!DEFAULT_VALUE.equalsIgnoreCase(ts)) {
        // for compatibility with previous configurations
        if (ts.equals("4") || ts.equals("3")) {
            ts = "V" + ts;
        }
        allOptions.put(DefaultDriverOption.PROTOCOL_VERSION, ts);
    }
    addIfNotBlank(allOptions, getProperty(CASSANDRA_COMPRESSION_PROTOCOL, CassandraInterpreter.DEFAULT_COMPRESSION).toLowerCase(), DefaultDriverOption.PROTOCOL_COMPRESSION);
    addIfNotBlankOrDefault(allOptions, getProperty(CASSANDRA_RETRY_POLICY, DEFAULT_POLICY), DefaultDriverOption.RETRY_POLICY_CLASS);
    addIfNotBlankOrDefault(allOptions, getProperty(CASSANDRA_RECONNECTION_POLICY, DEFAULT_POLICY), DefaultDriverOption.RECONNECTION_POLICY_CLASS);
    addIfNotBlankOrDefault(allOptions, getProperty(CASSANDRA_SPECULATIVE_EXECUTION_POLICY, DEFAULT_POLICY), DefaultDriverOption.SPECULATIVE_EXECUTION_POLICY_CLASS);
    allOptions.put(DefaultDriverOption.CONNECTION_POOL_LOCAL_SIZE, getProperty(CASSANDRA_POOLING_CONNECTION_PER_HOST_LOCAL, DEFAULT_CONNECTIONS_PER_HOST));
    allOptions.put(DefaultDriverOption.CONNECTION_POOL_REMOTE_SIZE, getProperty(CASSANDRA_POOLING_CONNECTION_PER_HOST_REMOTE, DEFAULT_CONNECTIONS_PER_HOST));
    allOptions.put(DefaultDriverOption.CONNECTION_MAX_REQUESTS, getProperty(CASSANDRA_POOLING_MAX_REQUESTS_PER_CONNECTION, DEFAULT_MAX_REQUEST_PER_CONNECTION));
    allOptions.put(DefaultDriverOption.HEARTBEAT_INTERVAL, getProperty(CASSANDRA_POOLING_HEARTBEAT_INTERVAL_SECONDS, DEFAULT_HEARTBEAT_INTERVAL) + SECONDS_STR);
    ts = getProperty(CASSANDRA_POOLING_POOL_TIMEOUT_MILLIS, DEFAULT_POOL_TIMEOUT) + MILLISECONDS_STR;
    allOptions.put(DefaultDriverOption.HEARTBEAT_TIMEOUT, ts);
    allOptions.put(DefaultDriverOption.CONNECTION_INIT_QUERY_TIMEOUT, ts);
    allOptions.put(DefaultDriverOption.LOAD_BALANCING_POLICY_CLASS, "DcInferringLoadBalancingPolicy");
    allOptions.put(DefaultDriverOption.RESOLVE_CONTACT_POINTS, "false");
    allOptions.put(DefaultDriverOption.CONTROL_CONNECTION_AGREEMENT_TIMEOUT, getProperty(CASSANDRA_MAX_SCHEMA_AGREEMENT_WAIT_SECONDS, DEFAULT_MAX_SCHEMA_AGREEMENT_WAIT_SECONDS) + SECONDS_STR);
    // extract additional options that may override values set by main configuration
    for (String pname : properties.stringPropertyNames()) {
        if (pname.startsWith(DATASTAX_JAVA_DRIVER_PREFIX)) {
            String pvalue = properties.getProperty(pname);
            LOGGER.info("Custom config values: {} = {}", pname, pvalue);
            String shortName = pname.substring(DATASTAX_JAVA_DRIVER_PREFIX.length());
            if (optionMap.containsKey(shortName)) {
                allOptions.put(optionMap.get(shortName), pvalue);
            } else {
                LOGGER.warn("Incorrect option name: {}", pname);
            }
        }
    }
    for (Map.Entry<DriverOption, String> entry : allOptions.entrySet()) {
        configBuilder.withString(entry.getKey(), entry.getValue());
    }
    DriverConfigLoader loader = configBuilder.endProfile().build();
    LOGGER.debug("Config loader is created");
    return loader;
}