LabelObjectState< audit > Class Template Reference

#include <parse_example_json.h>

Inheritance diagram for LabelObjectState< audit >:

Public Member Functions
	LabelObjectState ()
void	init (vw *)
BaseState< audit > *	StartObject (Context< audit > &ctx) override
BaseState< audit > *	Key (Context< audit > &ctx, const char *str, rapidjson::SizeType len, bool) override
BaseState< audit > *	Float (Context< audit > &ctx, float v) override
BaseState< audit > *	Uint (Context< audit > &ctx, unsigned v) override
BaseState< audit > *	EndObject (Context< audit > &ctx, rapidjson::SizeType) override
Public Member Functions inherited from BaseState< audit >
	BaseState (const char *pname)
virtual BaseState< audit > *	Null (Context< audit > &ctx)
virtual BaseState< audit > *	Bool (Context< audit > &ctx, bool b)
virtual BaseState< audit > *	String (Context< audit > &ctx, const char *str, rapidjson::SizeType len, bool)
virtual BaseState< audit > *	StartArray (Context< audit > &ctx)
virtual BaseState< audit > *	EndArray (Context< audit > &ctx, rapidjson::SizeType)

Public Attributes
CB::cb_class	cb_label
bool	found
bool	found_cb
std::vector< unsigned int >	actions
std::vector< float >	probs
std::vector< unsigned int >	inc
Public Attributes inherited from BaseState< audit >
const char *	name

Private Attributes
BaseState< audit > *	return_state

Detailed Description

template<bool audit>
class LabelObjectState< audit >

Definition at line 155 of file parse_example_json.h.

Constructor & Destructor Documentation

LabelObjectState()

template<bool audit>

LabelObjectState< audit >::LabelObjectState ( )

inline

Definition at line 168 of file parse_example_json.h.

: BaseState<audit>("LabelObject") {}

Member Function Documentation

EndObject()

template<bool audit>

BaseState<audit>* LabelObjectState< audit >::EndObject ( Context< audit > &  ctx, rapidjson::SizeType    )

inlineoverridevirtual

Reimplemented from BaseState< audit >.

Definition at line 246 of file parse_example_json.h.

References Context< audit >::all, label_type::ccb, CB::cb_class::cost, CB::label::costs, count_label(), Context< audit >::ex, example::l, label_data::label, vw::label_type, vw::sd, polylabel::simple, and THROW.

  {
    if (ctx.all->label_type == label_type::ccb)
    {
      auto ld = (CCB::label*)&ctx.ex->l;

      for (auto id : inc)
      {
        ld->explicit_included_actions.push_back(id);
      }
      inc.clear();

      if ((actions.size() != 0) && (probs.size() != 0))
      {
        auto outcome = new CCB::conditional_contextual_bandit_outcome();
        outcome->cost = cb_label.cost;
        if (actions.size() != probs.size())
        {
          THROW("Actions and probabilties must be the same length.");
        }

        for (size_t i = 0; i < this->actions.size(); i++)
        {
          outcome->probabilities.push_back({actions[i], probs[i]});
        }
        actions.clear();
        probs.clear();

        ld->outcome = outcome;
        cb_label = {0., 0, 0., 0.};
      }
    }
    else if (found_cb)
    {
      CB::label* ld = (CB::label*)&ctx.ex->l;
      ld->costs.push_back(cb_label);

      found_cb = false;
      cb_label = {0., 0, 0., 0.};
    }
    else if (found)
    {
      count_label(ctx.all->sd, ctx.ex->l.simple.label);

      found = false;
    }

    return return_state;
  }

Float()

template<bool audit>

BaseState<audit>* LabelObjectState< audit >::Float ( Context< audit > &  ctx, float  v  )

inlineoverridevirtual

Reimplemented from BaseState< audit >.

Definition at line 201 of file parse_example_json.h.

References _stricmp, CB::cb_class::action, CB::cb_class::cost, Context< audit >::error(), Context< audit >::ex, label_data::initial, Context< audit >::key, Context< audit >::key_length, example::l, label_data::label, CB::cb_class::probability, polylabel::simple, and label_data::weight.

  {
    // simple
    if (!_stricmp(ctx.key, "Label"))
    {
      ctx.ex->l.simple.label = v;
      found = true;
    }
    else if (!_stricmp(ctx.key, "Initial"))
    {
      ctx.ex->l.simple.initial = v;
      found = true;
    }
    else if (!_stricmp(ctx.key, "Weight"))
    {
      ctx.ex->l.simple.weight = v;
      found = true;
    }
    // CB
    else if (!_stricmp(ctx.key, "Action"))
    {
      cb_label.action = (uint32_t)v;
      found_cb = true;
    }
    else if (!_stricmp(ctx.key, "Cost"))
    {
      cb_label.cost = v;
      found_cb = true;
    }
    else if (!_stricmp(ctx.key, "Probability"))
    {
      cb_label.probability = v;
      found_cb = true;
    }
    else
    {
      ctx.error() << "Unsupported label property: '" << ctx.key << "' len: " << ctx.key_length;
      return nullptr;
    }

    return this;
  }

init()

template<bool audit>

void LabelObjectState< audit >::init ( vw *  )

inline

Definition at line 170 of file parse_example_json.h.

Referenced by Context< audit >::init().

  {
    found = found_cb = false;

    cb_label = {0., 0, 0., 0.};
  }

Key()

template<bool audit>

BaseState<audit>* LabelObjectState< audit >::Key ( Context< audit > &  ctx, const char *  str, rapidjson::SizeType  len, bool    )

inlineoverridevirtual

Reimplemented from BaseState< audit >.

Definition at line 194 of file parse_example_json.h.

References Context< audit >::key, and Context< audit >::key_length.

  {
    ctx.key = str;
    ctx.key_length = len;
    return this;
  }

StartObject()

template<bool audit>

BaseState<audit>* LabelObjectState< audit >::StartObject ( Context< audit > &  ctx )

inlineoverridevirtual

Reimplemented from BaseState< audit >.

Definition at line 177 of file parse_example_json.h.

References Context< audit >::all, label_parser::default_label, Context< audit >::error(), Context< audit >::ex, example::l, parser::lp, vw::p, and Context< audit >::previous_state.

  {
    ctx.all->p->lp.default_label(&ctx.ex->l);

    // don't allow { { { } } }
    if (ctx.previous_state == this)
    {
      ctx.error() << "invalid label object. nested objected.";
      return nullptr;
    }

    // keep previous state
    return_state = ctx.previous_state;

    return this;
  }

Uint()

template<bool audit>

BaseState<audit>* LabelObjectState< audit >::Uint ( Context< audit > &  ctx, unsigned  v  )

inlineoverridevirtual

Reimplemented from BaseState< audit >.

Definition at line 244 of file parse_example_json.h.

{ return Float(ctx, (float)v); }

Member Data Documentation

actions

template<bool audit>

std::vector<unsigned int> LabelObjectState< audit >::actions

Definition at line 164 of file parse_example_json.h.

cb_label

template<bool audit>

CB::cb_class LabelObjectState< audit >::cb_label

Definition at line 161 of file parse_example_json.h.

found

template<bool audit>

bool LabelObjectState< audit >::found

Definition at line 162 of file parse_example_json.h.

found_cb

template<bool audit>

bool LabelObjectState< audit >::found_cb

Definition at line 163 of file parse_example_json.h.

inc

template<bool audit>

std::vector<unsigned int> LabelObjectState< audit >::inc

Definition at line 166 of file parse_example_json.h.

probs

template<bool audit>

std::vector<float> LabelObjectState< audit >::probs

Definition at line 165 of file parse_example_json.h.

return_state

template<bool audit>

BaseState<audit>* LabelObjectState< audit >::return_state

private

Definition at line 158 of file parse_example_json.h.

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

• /mnt/c/w/linux/vowpal_wabbit/vowpalwabbit/parse_example_json.h