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.
rocksdb/table/block_based/flush_block_policy.h

41 lines
1.1 KiB

// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#include "rocksdb/flush_block_policy.h"
namespace ROCKSDB_NAMESPACE {
// FlushBlockEveryKeyPolicy currently used only in tests.
class FlushBlockEveryKeyPolicy : public FlushBlockPolicy {
public:
bool Update(const Slice& /*key*/, const Slice& /*value*/) override {
if (!start_) {
start_ = true;
return false;
}
return true;
}
private:
bool start_ = false;
};
class FlushBlockEveryKeyPolicyFactory : public FlushBlockPolicyFactory {
public:
explicit FlushBlockEveryKeyPolicyFactory() {}
static const char* kClassName() { return "FlushBlockEveryKeyPolicyFactory"; }
const char* Name() const override { return kClassName(); }
FlushBlockPolicy* NewFlushBlockPolicy(
const BlockBasedTableOptions& /*table_options*/,
const BlockBuilder& /*data_block_builder*/) const override {
return new FlushBlockEveryKeyPolicy;
}
};
} // namespace ROCKSDB_NAMESPACE