fork of https://github.com/rust-rocksdb/rust-rocksdb for nextgraph
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.
40 lines
1.1 KiB
40 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
|
|
|