text: //  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::CompactionFilterFactory.
  
  #ifndef JAVA_ROCKSJNI_COMPACTION_FILTER_FACTORY_JNICALLBACK_H_
  #define JAVA_ROCKSJNI_COMPACTION_FILTER_FACTORY_JNICALLBACK_H_
  
  #include <jni.h>
  #include <memory>
  
  #include "rocksdb/compaction_filter.h"
  #include "rocksjni/jnicallback.h"
  
  namespace rocksdb {
  
  class CompactionFilterFactoryJniCallback : public JniCallback, public CompactionFilterFactory {
   public:
      CompactionFilterFactoryJniCallback(
          JNIEnv* env, jobject jcompaction_filter_factory);
      virtual std::unique_ptr<CompactionFilter> CreateCompactionFilter(
        const CompactionFilter::Context& context);
      virtual const char* Name() const;
  
   private:
      std::unique_ptr<const char[]> m_name;
      jmethodID m_jcreate_compaction_filter_methodid;
  };
  
  }  //namespace rocksdb
  
  #endif  // JAVA_ROCKSJNI_COMPACTION_FILTER_FACTORY_JNICALLBACK_H_
  