fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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32 lines
1.0 KiB
32 lines
1.0 KiB
8 years ago
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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#include "ttl_extractor.h"
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#include "util/coding.h"
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namespace rocksdb {
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namespace blob_db {
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bool TTLExtractor::ExtractTTL(const Slice& /*key*/, const Slice& /*value*/,
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uint64_t* /*ttl*/, std::string* /*new_value*/,
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bool* /*value_changed*/) {
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return false;
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}
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bool TTLExtractor::ExtractExpiration(const Slice& key, const Slice& value,
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uint64_t now, uint64_t* expiration,
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std::string* new_value,
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bool* value_changed) {
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uint64_t ttl;
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bool has_ttl = ExtractTTL(key, value, &ttl, new_value, value_changed);
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if (has_ttl) {
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*expiration = now + ttl;
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}
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return has_ttl;
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}
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} // namespace blob_db
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} // namespace rocksdb
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