jubatus::core::bandit::bandit_factory Class Reference

#include <bandit_factory.hpp>

Collaboration diagram for jubatus::core::bandit::bandit_factory:

Static Public Member Functions
static jubatus::util::lang::shared_ptr< bandit_base >	create (const std::string &name, const common::jsonconfig::config &param)

Detailed Description

Definition at line 32 of file bandit_factory.hpp.

Member Function Documentation

shared_ptr< bandit_base > jubatus::core::bandit::bandit_factory::create ( const std::string &  name, const common::jsonconfig::config &  param  )

static

Definition at line 73 of file bandit_factory.cpp.

References jubatus::core::bandit::epsilon_greedy_config::assume_unrewarded, jubatus::core::bandit::ucb1_config::assume_unrewarded, jubatus::core::bandit::softmax_config::assume_unrewarded, jubatus::core::bandit::exp3_config::assume_unrewarded, jubatus::core::bandit::epsilon_greedy_config::epsilon, jubatus::core::bandit::exp3_config::gamma, JUBATUS_EXCEPTION, jubatus::core::bandit::softmax_config::tau, and jubatus::core::common::jsonconfig::config::type().

                                         {
  if (name == "epsilon_greedy") {
    if (param.type() == json::json::Null) {
      throw JUBATUS_EXCEPTION(
          common::config_exception() << common::exception::error_message(
              "parameter block is not specified in config"));
    }
    epsilon_greedy_config conf =
        config_cast_check<epsilon_greedy_config>(param);
    return shared_ptr<bandit_base>(
        new epsilon_greedy(conf.assume_unrewarded, conf.epsilon));
  } else if (name == "ucb1") {
    if (param.type() == json::json::Null) {
      throw JUBATUS_EXCEPTION(
          common::config_exception() << common::exception::error_message(
              "parameter block is not specified in config"));
    }
    ucb1_config conf =
        config_cast_check<ucb1_config>(param);
    return shared_ptr<bandit_base>(new ucb1(conf.assume_unrewarded));
  } else if (name == "softmax") {
    if (param.type() == json::json::Null) {
      throw JUBATUS_EXCEPTION(
          common::config_exception() << common::exception::error_message(
              "parameter block is not specified in config"));
    }
    softmax_config conf = config_cast_check<softmax_config>(param);
    return shared_ptr<bandit_base>(
        new softmax(conf.assume_unrewarded, conf.tau));
  } else if (name == "exp3") {
    if (param.type() == json::json::Null) {
      throw JUBATUS_EXCEPTION(
          common::config_exception() << common::exception::error_message(
              "parameter block is not specified in config"));
    }
    exp3_config conf = config_cast_check<exp3_config>(param);
    return shared_ptr<bandit_base>(
        new exp3(conf.assume_unrewarded, conf.gamma));
  } else {
    throw JUBATUS_EXCEPTION(
        common::unsupported_method("bandit(" + name + ")"));
  }
}

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The documentation for this class was generated from the following files:

• jubatus/core/bandit/bandit_factory.hpp
• jubatus/core/bandit/bandit_factory.cpp