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-rw-r--r--src/rocksdb/utilities/cassandra/cassandra_options.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/src/rocksdb/utilities/cassandra/cassandra_options.h b/src/rocksdb/utilities/cassandra/cassandra_options.h
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+++ b/src/rocksdb/utilities/cassandra/cassandra_options.h
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+// 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).
+
+#pragma once
+
+#include <cstddef>
+#include <cstdint>
+#include <string>
+
+#include "rocksdb/rocksdb_namespace.h"
+
+namespace ROCKSDB_NAMESPACE {
+class ObjectLibrary;
+namespace cassandra {
+struct CassandraOptions {
+ static const char* kName() { return "CassandraOptions"; }
+ CassandraOptions(int32_t _gc_grace_period_in_seconds, size_t _operands_limit,
+ bool _purge_ttl_on_expiration = false)
+ : operands_limit(_operands_limit),
+ gc_grace_period_in_seconds(_gc_grace_period_in_seconds),
+ purge_ttl_on_expiration(_purge_ttl_on_expiration) {}
+ // Limit on the number of merge operands.
+ size_t operands_limit;
+
+ // How long (in seconds) tombstoned data remains before it is purged
+ int32_t gc_grace_period_in_seconds;
+
+ // If is set to true, expired data will be directly purged.
+ // Otherwise expired data will be converted tombstones first,
+ // then be eventually removed after gc grace period. This value should
+ // only true if all writes have same ttl setting, otherwise it could bring old
+ // data back.
+ bool purge_ttl_on_expiration;
+};
+#ifndef ROCKSDB_LITE
+extern "C" {
+int RegisterCassandraObjects(ObjectLibrary& library, const std::string& arg);
+} // extern "C"
+#endif // ROCKSDB_LITE
+} // namespace cassandra
+} // namespace ROCKSDB_NAMESPACE