ceph/src/rocksdb/java/rocksjni/table_filter_jnicallback.h

   1 //  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
   2 //  This source code is licensed under both the GPLv2 (found in the
   3 //  COPYING file in the root directory) and Apache 2.0 License
   4 //  (found in the LICENSE.Apache file in the root directory).
   5 //
   6 // This file implements the callback "bridge" between Java and C++ for
   7 // rocksdb::TableFilter.
   8
   9 #ifndef JAVA_ROCKSJNI_TABLE_FILTER_JNICALLBACK_H_
  10 #define JAVA_ROCKSJNI_TABLE_FILTER_JNICALLBACK_H_
  11
  12 #include <jni.h>
  13 #include <functional>
  14 #include <memory>
  15
  16 #include "rocksdb/table_properties.h"
  17 #include "rocksjni/jnicallback.h"
  18
  19 namespace rocksdb {
  20
  21 class TableFilterJniCallback : public JniCallback {
  22  public:
  23     TableFilterJniCallback(
  24         JNIEnv* env, jobject jtable_filter);
  25     std::function<bool(const rocksdb::TableProperties&)> GetTableFilterFunction();
  26
  27  private:
  28     jmethodID m_jfilter_methodid;
  29     std::function<bool(const rocksdb::TableProperties&)> m_table_filter_function;
  30 };
  31
  32 }  //namespace rocksdb
  33
  34 #endif  // JAVA_ROCKSJNI_TABLE_FILTER_JNICALLBACK_H_