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-rw-r--r--db/table_cache.h33
1 files changed, 15 insertions, 18 deletions
diff --git a/db/table_cache.h b/db/table_cache.h
index 8cf4aaf12d..93069c8844 100644
--- a/db/table_cache.h
+++ b/db/table_cache.h
@@ -7,8 +7,10 @@
#ifndef STORAGE_LEVELDB_DB_TABLE_CACHE_H_
#define STORAGE_LEVELDB_DB_TABLE_CACHE_H_
-#include <string>
#include <stdint.h>
+
+#include <string>
+
#include "db/dbformat.h"
#include "leveldb/cache.h"
#include "leveldb/table.h"
@@ -20,40 +22,35 @@ class Env;
class TableCache {
public:
- TableCache(const std::string& dbname, const Options* options, int entries);
+ TableCache(const std::string& dbname, const Options& options, int entries);
~TableCache();
// Return an iterator for the specified file number (the corresponding
// file length must be exactly "file_size" bytes). If "tableptr" is
- // non-NULL, also sets "*tableptr" to point to the Table object
- // underlying the returned iterator, or NULL if no Table object underlies
- // the returned iterator. The returned "*tableptr" object is owned by
- // the cache and should not be deleted, and is valid for as long as the
+ // non-null, also sets "*tableptr" to point to the Table object
+ // underlying the returned iterator, or to nullptr if no Table object
+ // underlies the returned iterator. The returned "*tableptr" object is owned
+ // by the cache and should not be deleted, and is valid for as long as the
// returned iterator is live.
- Iterator* NewIterator(const ReadOptions& options,
- uint64_t file_number,
- uint64_t file_size,
- Table** tableptr = NULL);
+ Iterator* NewIterator(const ReadOptions& options, uint64_t file_number,
+ uint64_t file_size, Table** tableptr = nullptr);
// If a seek to internal key "k" in specified file finds an entry,
// call (*handle_result)(arg, found_key, found_value).
- Status Get(const ReadOptions& options,
- uint64_t file_number,
- uint64_t file_size,
- const Slice& k,
- void* arg,
+ Status Get(const ReadOptions& options, uint64_t file_number,
+ uint64_t file_size, const Slice& k, void* arg,
void (*handle_result)(void*, const Slice&, const Slice&));
// Evict any entry for the specified file number
void Evict(uint64_t file_number);
private:
+ Status FindTable(uint64_t file_number, uint64_t file_size, Cache::Handle**);
+
Env* const env_;
const std::string dbname_;
- const Options* options_;
+ const Options& options_;
Cache* cache_;
-
- Status FindTable(uint64_t file_number, uint64_t file_size, Cache::Handle**);
};
} // namespace leveldb