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rocksdb/java/rocksjni/loggerjnicallback.h

44 lines
1.4 KiB

// Copyright (c) 2015, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same 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 <string>
#include "port/port.h"
#include "rocksdb/env.h"
namespace rocksdb {
class LoggerJniCallback : public Logger {
public:
LoggerJniCallback(JNIEnv* env, jobject jLogger);
virtual ~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);
protected:
JNIEnv* getJniEnv() const;
private:
JavaVM* m_jvm;
jobject m_jLogger;
jmethodID m_jLogMethodId;
};
} // namespace rocksdb
#endif // JAVA_ROCKSJNI_LOGGERJNICALLBACK_H_