// Copyright (c) 2014, Vlad Balan (vlad.gm@gmail.com). 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 "bridge" between Java and C++ // for rocksdb::MergeOperator. #include <stdio.h> #include <stdlib.h> #include <jni.h> #include <string> #include <memory> #include "include/org_rocksdb_StringAppendOperator.h" #include "rocksjni/portal.h" #include "rocksdb/db.h" #include "rocksdb/options.h" #include "rocksdb/statistics.h" #include "rocksdb/memtablerep.h" #include "rocksdb/table.h" #include "rocksdb/slice_transform.h" #include "rocksdb/merge_operator.h" #include "utilities/merge_operators.h" /* * Class: org_rocksdb_StringAppendOperator * Method: newMergeOperatorHandle * Signature: ()J */ jlong Java_org_rocksdb_StringAppendOperator_newMergeOperatorHandleImpl (JNIEnv* env, jobject jobj) { std::shared_ptr<rocksdb::MergeOperator> *op = new std::shared_ptr<rocksdb::MergeOperator>(); *op = rocksdb::MergeOperators::CreateFromStringId("stringappend"); return reinterpret_cast<jlong>(op); }