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/*
Copyright (C) 2009-2016 Brazil
Copyright (C) 2022 Sutou Kouhei <kou@clear-code.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include "grn.h"
#ifdef __cplusplus
extern "C" {
#endif
#define GRN_CACHE_MAX_KEY_SIZE GRN_HASH_MAX_KEY_SIZE_LARGE
typedef struct {
uint32_t nentries;
uint32_t max_nentries;
uint32_t nfetches;
uint32_t nhits;
} grn_cache_statistics;
void grn_cache_init(void);
grn_rc grn_cache_fetch(grn_ctx *ctx, grn_cache *cache,
const char *str, uint32_t str_size,
grn_obj *output);
void grn_cache_update(grn_ctx *ctx, grn_cache *cache,
const char *str, uint32_t str_size, grn_obj *value);
void grn_cache_expire(grn_cache *cache, uint32_t size);
void grn_cache_fin(void);
void grn_cache_get_statistics(grn_ctx *ctx, grn_cache *cache,
grn_cache_statistics *statistics);
#ifdef __cplusplus
}
#endif
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