rocksdb/java/rocksjni/trace_writer_jnicallback.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).
//
// This file implements the callback "bridge" between Java and C++ for
// rocksdb::TraceWriter.
#ifndef JAVA_ROCKSJNI_TRACE_WRITER_JNICALLBACK_H_
#define JAVA_ROCKSJNI_TRACE_WRITER_JNICALLBACK_H_
#include <jni.h>
#include <memory>
#include "rocksdb/trace_reader_writer.h"
#include "rocksjni/jnicallback.h"
namespace rocksdb {
class TraceWriterJniCallback : public JniCallback, public TraceWriter {
public:
TraceWriterJniCallback(
JNIEnv* env, jobject jtrace_writer);
virtual Status Write(const Slice& data);
virtual Status Close();
virtual uint64_t GetFileSize();
private:
jmethodID m_jwrite_proxy_methodid;
jmethodID m_jclose_writer_proxy_methodid;
jmethodID m_jget_file_size_methodid;
};
} //namespace rocksdb
#endif // JAVA_ROCKSJNI_TRACE_WRITER_JNICALLBACK_H_