masstree_query.hh

/* Masstree
 * Eddie Kohler, Yandong Mao, Robert Morris
 * Copyright (c) 2012-2013 President and Fellows of Harvard College
 * Copyright (c) 2012-2013 Massachusetts Institute of Technology
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, subject to the conditions
 * listed in the Masstree LICENSE file. These conditions include: you must
 * preserve this copyright notice, and you cannot mention the copyright
 * holders in advertising related to the Software without their permission.
 * The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
 * notice is a summary of the Masstree LICENSE file; the license in that file
 * is legally binding.
 */
#ifndef MASSTREE_QUERY_HH
#define MASSTREE_QUERY_HH 1
#include "masstree.hh"
#include "kvproto.hh"
template <typename R> class query;
template <typename R> class replay_query;
namespace lcdf { class Json; }

namespace Masstree {

template <typename P>
class query_table {
  public:
    typedef P param_type;
    typedef node_base<P> node_type;

    query_table() {
    }

    basic_table<P>& table() {
	return table_;
    }

    void initialize(threadinfo* ti) {
        table_.initialize(ti);
    }
    void reinitialize(threadinfo* ti) {
        table_.reinitialize(ti);
    }

    bool get(query<row_type>& q, threadinfo* ti) const;
    void scan(query<row_type>& q, threadinfo* ti) const;
    void rscan(query<row_type>& q, threadinfo* ti) const;

    result_t put(query<row_type>& q, threadinfo* ti);
    void replace(query<row_type>& q, threadinfo* ti);
    bool remove(query<row_type>& q, threadinfo* ti);

    void replay(replay_query<row_type>& q, threadinfo* ti);
    void checkpoint_restore(Str key, Str value, kvtimestamp_t ts,
                            threadinfo* ti);

    void findpivots(Str* pv, int npv) const;

    void stats(FILE* f);
    void json_stats(lcdf::Json& j, threadinfo* ti);

    void print(FILE* f, int indent) const;

    static void test(threadinfo* ti);

    static const char* name() {
	return "mb";
    }

  private:
    basic_table<P> table_;
};

struct default_query_table_params : public nodeparams<15, 15> {
    typedef row_type* value_type;
};

typedef query_table<default_query_table_params> default_table;

} // namespace Masstree
#endif