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rocksdb

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RocksDB for Erlang

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rocksdb deps rocksdb java rocksjni loggerjnicallback.h
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deps/rocksdb/java/rocksjni/loggerjnicallback.h 

// 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::Logger



#ifndef JAVA_ROCKSJNI_LOGGERJNICALLBACK_H_

#define JAVA_ROCKSJNI_LOGGERJNICALLBACK_H_



#include <jni.h>

#include <memory>

#include <string>

#include "rocksjni/jnicallback.h"

#include "port/port.h"

#include "rocksdb/env.h"



namespace rocksdb {



  class LoggerJniCallback : public JniCallback, public Logger {

   public:

     LoggerJniCallback(JNIEnv* env, jobject jLogger);

     ~LoggerJniCallback();



     using Logger::SetInfoLogLevel;

     using Logger::GetInfoLogLevel;

     // Write an entry to the log file with the specified format.

     virtual void Logv(const char* format, va_list ap);

     // Write an entry to the log file with the specified log level

     // and format.  Any log with level under the internal log level

     // of *this (see @SetInfoLogLevel and @GetInfoLogLevel) will not be

     // printed.

     virtual void Logv(const InfoLogLevel log_level,

         const char* format, va_list ap);



   private:

     jmethodID m_jLogMethodId;

     jobject m_jdebug_level;

     jobject m_jinfo_level;

     jobject m_jwarn_level;

     jobject m_jerror_level;

     jobject m_jfatal_level;

     jobject m_jheader_level;

     std::unique_ptr<char[]> format_str(const char* format, va_list ap) const;

  };

}  // namespace rocksdb



#endif  // JAVA_ROCKSJNI_LOGGERJNICALLBACK_H_