diff options
Diffstat (limited to 'src/leveldb/include/leveldb/table.h')
-rw-r--r-- | src/leveldb/include/leveldb/table.h | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/src/leveldb/include/leveldb/table.h b/src/leveldb/include/leveldb/table.h index a9746c3f5e..25c6013116 100644 --- a/src/leveldb/include/leveldb/table.h +++ b/src/leveldb/include/leveldb/table.h @@ -6,6 +6,8 @@ #define STORAGE_LEVELDB_INCLUDE_TABLE_H_ #include <stdint.h> + +#include "leveldb/export.h" #include "leveldb/iterator.h" namespace leveldb { @@ -21,7 +23,7 @@ class TableCache; // A Table is a sorted map from strings to strings. Tables are // immutable and persistent. A Table may be safely accessed from // multiple threads without external synchronization. -class Table { +class LEVELDB_EXPORT Table { public: // Attempt to open the table that is stored in bytes [0..file_size) // of "file", and read the metadata entries necessary to allow @@ -30,15 +32,16 @@ class Table { // If successful, returns ok and sets "*table" to the newly opened // table. The client should delete "*table" when no longer needed. // If there was an error while initializing the table, sets "*table" - // to NULL and returns a non-ok status. Does not take ownership of + // to nullptr and returns a non-ok status. Does not take ownership of // "*source", but the client must ensure that "source" remains live // for the duration of the returned table's lifetime. // // *file must remain live while this Table is in use. - static Status Open(const Options& options, - RandomAccessFile* file, - uint64_t file_size, - Table** table); + static Status Open(const Options& options, RandomAccessFile* file, + uint64_t file_size, Table** table); + + Table(const Table&) = delete; + Table& operator=(const Table&) = delete; ~Table(); @@ -56,28 +59,24 @@ class Table { uint64_t ApproximateOffsetOf(const Slice& key) const; private: + friend class TableCache; struct Rep; - Rep* rep_; - explicit Table(Rep* rep) { rep_ = rep; } static Iterator* BlockReader(void*, const ReadOptions&, const Slice&); + explicit Table(Rep* rep) : rep_(rep) {} + // Calls (*handle_result)(arg, ...) with the entry found after a call // to Seek(key). May not make such a call if filter policy says // that key is not present. - friend class TableCache; - Status InternalGet( - const ReadOptions&, const Slice& key, - void* arg, - void (*handle_result)(void* arg, const Slice& k, const Slice& v)); - + Status InternalGet(const ReadOptions&, const Slice& key, void* arg, + void (*handle_result)(void* arg, const Slice& k, + const Slice& v)); void ReadMeta(const Footer& footer); void ReadFilter(const Slice& filter_handle_value); - // No copying allowed - Table(const Table&); - void operator=(const Table&); + Rep* const rep_; }; } // namespace leveldb |