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#ifndef SAMPLE_METHOD_H_
#define SAMPLE_METHOD_H_

#include <string>

class RNG;

/**
 * @short Abstract class for sampling methods 
 */
class SampleMethod
{
public:
    virtual ~SampleMethod();
    /**
     * Draws another sample from the target distribution
     */
    virtual void update(RNG *rng) = 0;
    /**
     * Indicates whether the sample method has an adaptive mode.
     */
    virtual bool isAdaptive() const = 0;
    /**
     * Turns off adaptive mode
     */
    virtual void adaptOff() = 0;
    /**
     * Checks adaptation 
     */
    virtual bool checkAdaptation() const = 0;
    /**
     * Returns an informative name for the sample method.
     */
    virtual std::string name() const = 0;
};
    
#endif /* SAMPLE_METHOD_H_ */