65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
// Copyright (c) 2014, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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// This file implements the "bridge" between Java and C++ and enables
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// calling c++ rocksdb::Iterator methods from Java side.
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#include <stdio.h>
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#include <stdlib.h>
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#include <jni.h>
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#include "include/org_rocksdb_Iterator.h"
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#include "rocksjni/portal.h"
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#include "rocksdb/iterator.h"
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jboolean Java_org_rocksdb_Iterator_isValid0(
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JNIEnv* env, jobject jobj, jlong handle) {
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auto st = reinterpret_cast<rocksdb::Iterator*>(handle);
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assert(st != nullptr);
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return st->Valid();
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}
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void Java_org_rocksdb_Iterator_seekToFirst0(
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JNIEnv* env, jobject jobj, jlong handle) {
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auto st = reinterpret_cast<rocksdb::Iterator*>(handle);
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assert(st != nullptr);
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st->SeekToFirst();
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}
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void Java_org_rocksdb_Iterator_seekToLast0(
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JNIEnv* env, jobject jobj, jlong handle) {
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auto st = reinterpret_cast<rocksdb::Iterator*>(handle);
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assert(st != nullptr);
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st->SeekToLast();
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}
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void Java_org_rocksdb_Iterator_next0(
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JNIEnv* env, jobject jobj, jlong handle) {
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auto st = reinterpret_cast<rocksdb::Iterator*>(handle);
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assert(st != nullptr);
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st->Next();
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}
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void Java_org_rocksdb_Iterator_prev0(
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JNIEnv* env, jobject jobj, jlong handle) {
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auto st = reinterpret_cast<rocksdb::Iterator*>(handle);
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assert(st != nullptr);
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st->Prev();
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}
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void Java_org_rocksdb_Iterator_close0(
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JNIEnv* env, jobject jobj, jlong handle) {
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auto st = reinterpret_cast<rocksdb::Iterator*>(handle);
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assert(st != nullptr);
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delete st;
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rocksdb::IteratorJni::setHandle(env, jobj, nullptr);
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} |