#ifndef CONJUGATE_BETA_H_
#define CONJUGATE_BETA_H_

#include <sampler/ConjugateSampler.h>

/**
 * @short Conjugate sampler for the beta distribution
 *
 * A conjugate beta sampler can be created for a Stochastic node
 * "snode" if its children within the graph are all stochastic nodes
 * with either a binomial or a Bernoulli distribution with snode as
 * the probability parameter. In the case of binomial children, the
 * sample size parameter must not depend on snode.
 */
class ConjugateBeta : public ConjugateSampler {
 public:
  ConjugateBeta(StochasticNode *snode, Graph const &graph);
  ~ConjugateBeta();
  
  static bool canSample(StochasticNode *snode, Graph const &graph);
  void update();
};

#endif /* CONJUGATE_BETA_H_ */