fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
2.4 KiB
77 lines
2.4 KiB
// Copyright (c) 2012 Facebook. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef STORAGE_LEVELDB_DB_DB_IMPL_READONLY_H_
|
|
#define STORAGE_LEVELDB_DB_DB_IMPL_READONLY_H_
|
|
|
|
#include "db/db_impl.h"
|
|
|
|
#include <deque>
|
|
#include <set>
|
|
#include "db/dbformat.h"
|
|
#include "db/log_writer.h"
|
|
#include "db/snapshot.h"
|
|
#include "leveldb/db.h"
|
|
#include "leveldb/env.h"
|
|
#include "port/port.h"
|
|
#include "util/stats_logger.h"
|
|
|
|
#ifdef USE_SCRIBE
|
|
#include "scribe/scribe_logger.h"
|
|
#endif
|
|
|
|
namespace leveldb {
|
|
|
|
class DBImplReadOnly : public DBImpl {
|
|
public:
|
|
DBImplReadOnly(const Options& options, const std::string& dbname);
|
|
virtual ~DBImplReadOnly();
|
|
|
|
// Implementations of the DB interface
|
|
virtual Status Get(const ReadOptions& options,
|
|
const Slice& key,
|
|
std::string* value);
|
|
virtual Iterator* NewIterator(const ReadOptions&);
|
|
|
|
virtual Status Put(const WriteOptions&, const Slice& key, const Slice& value) {
|
|
return Status::NotSupported("Not supported operation in read only mode.");
|
|
}
|
|
virtual Status Merge(const WriteOptions&, const Slice& key,
|
|
const Slice& value) {
|
|
return Status::NotSupported("Not supported operation in read only mode.");
|
|
}
|
|
virtual Status Delete(const WriteOptions&, const Slice& key) {
|
|
return Status::NotSupported("Not supported operation in read only mode.");
|
|
}
|
|
virtual Status Write(const WriteOptions& options, WriteBatch* updates) {
|
|
return Status::NotSupported("Not supported operation in read only mode.");
|
|
}
|
|
virtual void CompactRange(const Slice* begin, const Slice* end,
|
|
bool reduce_level = false) {
|
|
}
|
|
virtual Status DisableFileDeletions() {
|
|
return Status::NotSupported("Not supported operation in read only mode.");
|
|
}
|
|
virtual Status EnableFileDeletions() {
|
|
return Status::NotSupported("Not supported operation in read only mode.");
|
|
}
|
|
virtual Status GetLiveFiles(std::vector<std::string>&,
|
|
uint64_t* manifest_file_size) {
|
|
return Status::NotSupported("Not supported operation in read only mode.");
|
|
}
|
|
virtual Status Flush(const FlushOptions& options) {
|
|
return Status::NotSupported("Not supported operation in read only mode.");
|
|
}
|
|
|
|
private:
|
|
friend class DB;
|
|
|
|
// No copying allowed
|
|
DBImplReadOnly(const DBImplReadOnly&);
|
|
void operator=(const DBImplReadOnly&);
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|
|
|