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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).
//
// This file implements the callback "bridge" between Java and C++ for
// ROCKSDB_NAMESPACE::WalFilter.
#ifndef JAVA_ROCKSJNI_WAL_FILTER_JNICALLBACK_H_
#define JAVA_ROCKSJNI_WAL_FILTER_JNICALLBACK_H_
#include <jni.h>
#include <map>
#include <memory>
#include <string>
#include "rocksdb/wal_filter.h"
#include "rocksjni/jnicallback.h"
namespace ROCKSDB_NAMESPACE {
class WalFilterJniCallback : public JniCallback, public WalFilter {
public:
WalFilterJniCallback(
JNIEnv* env, jobject jwal_filter);
virtual void ColumnFamilyLogNumberMap(
const std::map<uint32_t, uint64_t>& cf_lognumber_map,
const std::map<std::string, uint32_t>& cf_name_id_map);
virtual WalFilter::WalProcessingOption LogRecordFound(
unsigned long long log_number, const std::string& log_file_name,
const WriteBatch& batch, WriteBatch* new_batch, bool* batch_changed);
virtual const char* Name() const;
private:
std::unique_ptr<const char[]> m_name;
jmethodID m_column_family_log_number_map_mid;
jmethodID m_log_record_found_proxy_mid;
};
} // namespace ROCKSDB_NAMESPACE
#endif // JAVA_ROCKSJNI_WAL_FILTER_JNICALLBACK_H_
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