Islam AbdelRahman
8 years ago
parent
5cd28833a2
commit
d062328977
@ -1,84 +0,0 @@ |
||||
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
||||
// This source code is licensed under the BSD-style license found in the
|
||||
// LICENSE file in the root directory of this source tree. An additional grant
|
||||
// of patent rights can be found in the PATENTS file in the same directory.
|
||||
|
||||
#pragma once |
||||
#include <string> |
||||
#include "rocksdb/types.h" |
||||
#include "util/string_util.h" |
||||
|
||||
namespace rocksdb { |
||||
|
||||
// Table Properties that are specific to tables created by SstFileWriter.
|
||||
struct ExternalSstFilePropertyNames { |
||||
// value of this property is a fixed uint32 number.
|
||||
static const std::string kVersion; |
||||
// value of this property is a fixed uint64 number.
|
||||
static const std::string kGlobalSeqno; |
||||
}; |
||||
|
||||
// PropertiesCollector used to add properties specific to tables
|
||||
// generated by SstFileWriter
|
||||
class SstFileWriterPropertiesCollector : public IntTblPropCollector { |
||||
public: |
||||
explicit SstFileWriterPropertiesCollector(int32_t version, |
||||
SequenceNumber global_seqno) |
||||
: version_(version), global_seqno_(global_seqno) {} |
||||
|
||||
virtual Status InternalAdd(const Slice& key, const Slice& value, |
||||
uint64_t file_size) override { |
||||
// Intentionally left blank. Have no interest in collecting stats for
|
||||
// individual key/value pairs.
|
||||
return Status::OK(); |
||||
} |
||||
|
||||
virtual Status Finish(UserCollectedProperties* properties) override { |
||||
// File version
|
||||
std::string version_val; |
||||
PutFixed32(&version_val, static_cast<uint32_t>(version_)); |
||||
properties->insert({ExternalSstFilePropertyNames::kVersion, version_val}); |
||||
|
||||
// Global Sequence number
|
||||
std::string seqno_val; |
||||
PutFixed64(&seqno_val, static_cast<uint64_t>(global_seqno_)); |
||||
properties->insert({ExternalSstFilePropertyNames::kGlobalSeqno, seqno_val}); |
||||
|
||||
return Status::OK(); |
||||
} |
||||
|
||||
virtual const char* Name() const override { |
||||
return "SstFileWriterPropertiesCollector"; |
||||
} |
||||
|
||||
virtual UserCollectedProperties GetReadableProperties() const override { |
||||
return {{ExternalSstFilePropertyNames::kVersion, ToString(version_)}}; |
||||
} |
||||
|
||||
private: |
||||
int32_t version_; |
||||
SequenceNumber global_seqno_; |
||||
}; |
||||
|
||||
class SstFileWriterPropertiesCollectorFactory |
||||
: public IntTblPropCollectorFactory { |
||||
public: |
||||
explicit SstFileWriterPropertiesCollectorFactory(int32_t version, |
||||
SequenceNumber global_seqno) |
||||
: version_(version), global_seqno_(global_seqno) {} |
||||
|
||||
virtual IntTblPropCollector* CreateIntTblPropCollector( |
||||
uint32_t column_family_id) override { |
||||
return new SstFileWriterPropertiesCollector(version_, global_seqno_); |
||||
} |
||||
|
||||
virtual const char* Name() const override { |
||||
return "SstFileWriterPropertiesCollector"; |
||||
} |
||||
|
||||
private: |
||||
int32_t version_; |
||||
SequenceNumber global_seqno_; |
||||
}; |
||||
|
||||
} // namespace rocksdb
|
||||
Loading…
Reference in new issue