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rocksdb/java/rocksjni/transaction.cc

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// 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 "bridge" between Java and C++
// for ROCKSDB_NAMESPACE::Transaction.
#include "rocksdb/utilities/transaction.h"
#include <jni.h>
#include <functional>
#include "include/org_rocksdb_Transaction.h"
#include "rocksjni/cplusplus_to_java_convert.h"
#include "rocksjni/portal.h"
#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable : 4503) // identifier' : decorated name length
// exceeded, name was truncated
#endif
/*
* Class: org_rocksdb_Transaction
* Method: setSnapshot
* Signature: (J)V
*/
void Java_org_rocksdb_Transaction_setSnapshot(JNIEnv* /*env*/, jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
txn->SetSnapshot();
}
/*
* Class: org_rocksdb_Transaction
* Method: setSnapshotOnNextOperation
* Signature: (J)V
*/
void Java_org_rocksdb_Transaction_setSnapshotOnNextOperation__J(
JNIEnv* /*env*/, jobject /*jobj*/, jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
txn->SetSnapshotOnNextOperation(nullptr);
}
/*
* Class: org_rocksdb_Transaction
* Method: setSnapshotOnNextOperation
* Signature: (JJ)V
*/
void Java_org_rocksdb_Transaction_setSnapshotOnNextOperation__JJ(
JNIEnv* /*env*/, jobject /*jobj*/, jlong jhandle,
jlong jtxn_notifier_handle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* txn_notifier = reinterpret_cast<
std::shared_ptr<ROCKSDB_NAMESPACE::TransactionNotifierJniCallback>*>(
jtxn_notifier_handle);
txn->SetSnapshotOnNextOperation(*txn_notifier);
}
/*
* Class: org_rocksdb_Transaction
* Method: getSnapshot
* Signature: (J)J
*/
jlong Java_org_rocksdb_Transaction_getSnapshot(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
const ROCKSDB_NAMESPACE::Snapshot* snapshot = txn->GetSnapshot();
return GET_CPLUSPLUS_POINTER(snapshot);
}
/*
* Class: org_rocksdb_Transaction
* Method: clearSnapshot
* Signature: (J)V
*/
void Java_org_rocksdb_Transaction_clearSnapshot(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
txn->ClearSnapshot();
}
/*
* Class: org_rocksdb_Transaction
* Method: prepare
* Signature: (J)V
*/
void Java_org_rocksdb_Transaction_prepare(JNIEnv* env, jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
ROCKSDB_NAMESPACE::Status s = txn->Prepare();
if (!s.ok()) {
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
}
}
/*
* Class: org_rocksdb_Transaction
* Method: commit
* Signature: (J)V
*/
void Java_org_rocksdb_Transaction_commit(JNIEnv* env, jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
ROCKSDB_NAMESPACE::Status s = txn->Commit();
if (!s.ok()) {
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
}
}
/*
* Class: org_rocksdb_Transaction
* Method: rollback
* Signature: (J)V
*/
void Java_org_rocksdb_Transaction_rollback(JNIEnv* env, jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
ROCKSDB_NAMESPACE::Status s = txn->Rollback();
if (!s.ok()) {
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
}
}
/*
* Class: org_rocksdb_Transaction
* Method: setSavePoint
* Signature: (J)V
*/
void Java_org_rocksdb_Transaction_setSavePoint(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
txn->SetSavePoint();
}
/*
* Class: org_rocksdb_Transaction
* Method: rollbackToSavePoint
* Signature: (J)V
*/
void Java_org_rocksdb_Transaction_rollbackToSavePoint(JNIEnv* env,
jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
ROCKSDB_NAMESPACE::Status s = txn->RollbackToSavePoint();
if (!s.ok()) {
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
}
}
typedef std::function<ROCKSDB_NAMESPACE::Status(
const ROCKSDB_NAMESPACE::ReadOptions&, const ROCKSDB_NAMESPACE::Slice&,
std::string*)>
FnGet;
// TODO(AR) consider refactoring to share this between here and rocksjni.cc
jbyteArray txn_get_helper(JNIEnv* env, const FnGet& fn_get,
const jlong& jread_options_handle,
const jbyteArray& jkey, const jint& jkey_part_len) {
jbyte* key = env->GetByteArrayElements(jkey, nullptr);
if (key == nullptr) {
// exception thrown: OutOfMemoryError
return nullptr;
}
ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key),
jkey_part_len);
auto* read_options =
reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jread_options_handle);
std::string value;
ROCKSDB_NAMESPACE::Status s = fn_get(*read_options, key_slice, &value);
// trigger java unref on key.
// by passing JNI_ABORT, it will simply release the reference without
// copying the result back to the java byte array.
env->ReleaseByteArrayElements(jkey, key, JNI_ABORT);
if (s.IsNotFound()) {
return nullptr;
}
if (s.ok()) {
jbyteArray jret_value = env->NewByteArray(static_cast<jsize>(value.size()));
if (jret_value == nullptr) {
// exception thrown: OutOfMemoryError
return nullptr;
}
env->SetByteArrayRegion(
jret_value, 0, static_cast<jsize>(value.size()),
const_cast<jbyte*>(reinterpret_cast<const jbyte*>(value.c_str())));
if (env->ExceptionCheck()) {
// exception thrown: ArrayIndexOutOfBoundsException
return nullptr;
}
return jret_value;
}
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
return nullptr;
}
/*
* Class: org_rocksdb_Transaction
* Method: get
* Signature: (JJ[BIJ)[B
*/
jbyteArray Java_org_rocksdb_Transaction_get__JJ_3BIJ(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jlong jread_options_handle,
jbyteArray jkey, jint jkey_part_len, jlong jcolumn_family_handle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* column_family_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(
jcolumn_family_handle);
FnGet fn_get =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
const ROCKSDB_NAMESPACE::ReadOptions&,
ROCKSDB_NAMESPACE::ColumnFamilyHandle*,
const ROCKSDB_NAMESPACE::Slice&, std::string*)>(
&ROCKSDB_NAMESPACE::Transaction::Get, txn, std::placeholders::_1,
column_family_handle, std::placeholders::_2, std::placeholders::_3);
return txn_get_helper(env, fn_get, jread_options_handle, jkey, jkey_part_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: get
* Signature: (JJ[BI)[B
*/
jbyteArray Java_org_rocksdb_Transaction_get__JJ_3BI(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jlong jread_options_handle,
jbyteArray jkey, jint jkey_part_len) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnGet fn_get =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
const ROCKSDB_NAMESPACE::ReadOptions&,
const ROCKSDB_NAMESPACE::Slice&, std::string*)>(
&ROCKSDB_NAMESPACE::Transaction::Get, txn, std::placeholders::_1,
std::placeholders::_2, std::placeholders::_3);
return txn_get_helper(env, fn_get, jread_options_handle, jkey, jkey_part_len);
}
// TODO(AR) consider refactoring to share this between here and rocksjni.cc
// used by txn_multi_get_helper below
std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*> txn_column_families_helper(
JNIEnv* env, jlongArray jcolumn_family_handles, bool* has_exception) {
std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*> cf_handles;
if (jcolumn_family_handles != nullptr) {
const jsize len_cols = env->GetArrayLength(jcolumn_family_handles);
if (len_cols > 0) {
if (env->EnsureLocalCapacity(len_cols) != 0) {
// out of memory
*has_exception = JNI_TRUE;
return std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>();
}
jlong* jcfh = env->GetLongArrayElements(jcolumn_family_handles, nullptr);
if (jcfh == nullptr) {
// exception thrown: OutOfMemoryError
*has_exception = JNI_TRUE;
return std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>();
}
for (int i = 0; i < len_cols; i++) {
auto* cf_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcfh[i]);
cf_handles.push_back(cf_handle);
}
env->ReleaseLongArrayElements(jcolumn_family_handles, jcfh, JNI_ABORT);
}
}
return cf_handles;
}
typedef std::function<std::vector<ROCKSDB_NAMESPACE::Status>(
const ROCKSDB_NAMESPACE::ReadOptions&,
const std::vector<ROCKSDB_NAMESPACE::Slice>&, std::vector<std::string>*)>
FnMultiGet;
void free_parts(
JNIEnv* env,
std::vector<std::tuple<jbyteArray, jbyte*, jobject>>& parts_to_free) {
for (auto& value : parts_to_free) {
jobject jk;
jbyteArray jk_ba;
jbyte* jk_val;
std::tie(jk_ba, jk_val, jk) = value;
env->ReleaseByteArrayElements(jk_ba, jk_val, JNI_ABORT);
env->DeleteLocalRef(jk);
}
}
// TODO(AR) consider refactoring to share this between here and rocksjni.cc
// cf multi get
jobjectArray txn_multi_get_helper(JNIEnv* env, const FnMultiGet& fn_multi_get,
const jlong& jread_options_handle,
const jobjectArray& jkey_parts) {
const jsize len_key_parts = env->GetArrayLength(jkey_parts);
if (env->EnsureLocalCapacity(len_key_parts) != 0) {
// out of memory
return nullptr;
}
std::vector<ROCKSDB_NAMESPACE::Slice> key_parts;
std::vector<std::tuple<jbyteArray, jbyte*, jobject>> key_parts_to_free;
for (int i = 0; i < len_key_parts; i++) {
const jobject jk = env->GetObjectArrayElement(jkey_parts, i);
if (env->ExceptionCheck()) {
// exception thrown: ArrayIndexOutOfBoundsException
free_parts(env, key_parts_to_free);
return nullptr;
}
jbyteArray jk_ba = reinterpret_cast<jbyteArray>(jk);
const jsize len_key = env->GetArrayLength(jk_ba);
if (env->EnsureLocalCapacity(len_key) != 0) {
// out of memory
env->DeleteLocalRef(jk);
free_parts(env, key_parts_to_free);
return nullptr;
}
jbyte* jk_val = env->GetByteArrayElements(jk_ba, nullptr);
if (jk_val == nullptr) {
// exception thrown: OutOfMemoryError
env->DeleteLocalRef(jk);
free_parts(env, key_parts_to_free);
return nullptr;
}
ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(jk_val),
len_key);
key_parts.push_back(key_slice);
key_parts_to_free.push_back(std::make_tuple(jk_ba, jk_val, jk));
}
auto* read_options =
reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jread_options_handle);
std::vector<std::string> value_parts;
std::vector<ROCKSDB_NAMESPACE::Status> s =
fn_multi_get(*read_options, key_parts, &value_parts);
// free up allocated byte arrays
free_parts(env, key_parts_to_free);
// prepare the results
const jclass jcls_ba = env->FindClass("[B");
jobjectArray jresults =
env->NewObjectArray(static_cast<jsize>(s.size()), jcls_ba, nullptr);
if (jresults == nullptr) {
// exception thrown: OutOfMemoryError
return nullptr;
}
// add to the jresults
for (std::vector<ROCKSDB_NAMESPACE::Status>::size_type i = 0; i != s.size();
i++) {
if (s[i].ok()) {
jbyteArray jentry_value =
env->NewByteArray(static_cast<jsize>(value_parts[i].size()));
if (jentry_value == nullptr) {
// exception thrown: OutOfMemoryError
return nullptr;
}
env->SetByteArrayRegion(
jentry_value, 0, static_cast<jsize>(value_parts[i].size()),
const_cast<jbyte*>(
reinterpret_cast<const jbyte*>(value_parts[i].c_str())));
if (env->ExceptionCheck()) {
// exception thrown: ArrayIndexOutOfBoundsException
env->DeleteLocalRef(jentry_value);
return nullptr;
}
env->SetObjectArrayElement(jresults, static_cast<jsize>(i), jentry_value);
env->DeleteLocalRef(jentry_value);
}
}
return jresults;
}
/*
* Class: org_rocksdb_Transaction
* Method: multiGet
* Signature: (JJ[[B[J)[[B
*/
jobjectArray Java_org_rocksdb_Transaction_multiGet__JJ_3_3B_3J(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jlong jread_options_handle,
jobjectArray jkey_parts, jlongArray jcolumn_family_handles) {
bool has_exception = false;
const std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>
column_family_handles = txn_column_families_helper(
env, jcolumn_family_handles, &has_exception);
if (has_exception) {
// exception thrown: OutOfMemoryError
return nullptr;
}
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnMultiGet fn_multi_get = std::bind<std::vector<ROCKSDB_NAMESPACE::Status> (
ROCKSDB_NAMESPACE::Transaction::*)(
const ROCKSDB_NAMESPACE::ReadOptions&,
const std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>&,
const std::vector<ROCKSDB_NAMESPACE::Slice>&, std::vector<std::string>*)>(
&ROCKSDB_NAMESPACE::Transaction::MultiGet, txn, std::placeholders::_1,
column_family_handles, std::placeholders::_2, std::placeholders::_3);
return txn_multi_get_helper(env, fn_multi_get, jread_options_handle,
jkey_parts);
}
/*
* Class: org_rocksdb_Transaction
* Method: multiGet
* Signature: (JJ[[B)[[B
*/
jobjectArray Java_org_rocksdb_Transaction_multiGet__JJ_3_3B(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jlong jread_options_handle,
jobjectArray jkey_parts) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnMultiGet fn_multi_get = std::bind<std::vector<ROCKSDB_NAMESPACE::Status> (
ROCKSDB_NAMESPACE::Transaction::*)(
const ROCKSDB_NAMESPACE::ReadOptions&,
const std::vector<ROCKSDB_NAMESPACE::Slice>&, std::vector<std::string>*)>(
&ROCKSDB_NAMESPACE::Transaction::MultiGet, txn, std::placeholders::_1,
std::placeholders::_2, std::placeholders::_3);
return txn_multi_get_helper(env, fn_multi_get, jread_options_handle,
jkey_parts);
}
/*
* Class: org_rocksdb_Transaction
* Method: getForUpdate
* Signature: (JJ[BIJZZ)[B
*/
jbyteArray Java_org_rocksdb_Transaction_getForUpdate__JJ_3BIJZZ(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jlong jread_options_handle,
jbyteArray jkey, jint jkey_part_len, jlong jcolumn_family_handle,
jboolean jexclusive, jboolean jdo_validate) {
auto* column_family_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(
jcolumn_family_handle);
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnGet fn_get_for_update =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
const ROCKSDB_NAMESPACE::ReadOptions&,
ROCKSDB_NAMESPACE::ColumnFamilyHandle*,
const ROCKSDB_NAMESPACE::Slice&, std::string*, bool, bool)>(
&ROCKSDB_NAMESPACE::Transaction::GetForUpdate, txn,
std::placeholders::_1, column_family_handle, std::placeholders::_2,
std::placeholders::_3, jexclusive, jdo_validate);
return txn_get_helper(env, fn_get_for_update, jread_options_handle, jkey,
jkey_part_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: getForUpdate
* Signature: (JJ[BIZZ)[B
*/
jbyteArray Java_org_rocksdb_Transaction_getForUpdate__JJ_3BIZZ(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jlong jread_options_handle,
jbyteArray jkey, jint jkey_part_len, jboolean jexclusive,
jboolean jdo_validate) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnGet fn_get_for_update =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
const ROCKSDB_NAMESPACE::ReadOptions&,
const ROCKSDB_NAMESPACE::Slice&, std::string*, bool, bool)>(
&ROCKSDB_NAMESPACE::Transaction::GetForUpdate, txn,
std::placeholders::_1, std::placeholders::_2, std::placeholders::_3,
jexclusive, jdo_validate);
return txn_get_helper(env, fn_get_for_update, jread_options_handle, jkey,
jkey_part_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: multiGetForUpdate
* Signature: (JJ[[B[J)[[B
*/
jobjectArray Java_org_rocksdb_Transaction_multiGetForUpdate__JJ_3_3B_3J(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jlong jread_options_handle,
jobjectArray jkey_parts, jlongArray jcolumn_family_handles) {
bool has_exception = false;
const std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>
column_family_handles = txn_column_families_helper(
env, jcolumn_family_handles, &has_exception);
if (has_exception) {
// exception thrown: OutOfMemoryError
return nullptr;
}
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnMultiGet fn_multi_get_for_update = std::bind<std::vector<
ROCKSDB_NAMESPACE::Status> (ROCKSDB_NAMESPACE::Transaction::*)(
const ROCKSDB_NAMESPACE::ReadOptions&,
const std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>&,
const std::vector<ROCKSDB_NAMESPACE::Slice>&, std::vector<std::string>*)>(
&ROCKSDB_NAMESPACE::Transaction::MultiGetForUpdate, txn,
std::placeholders::_1, column_family_handles, std::placeholders::_2,
std::placeholders::_3);
return txn_multi_get_helper(env, fn_multi_get_for_update,
jread_options_handle, jkey_parts);
}
/*
* Class: org_rocksdb_Transaction
* Method: multiGetForUpdate
* Signature: (JJ[[B)[[B
*/
jobjectArray Java_org_rocksdb_Transaction_multiGetForUpdate__JJ_3_3B(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jlong jread_options_handle,
jobjectArray jkey_parts) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnMultiGet fn_multi_get_for_update = std::bind<std::vector<
ROCKSDB_NAMESPACE::Status> (ROCKSDB_NAMESPACE::Transaction::*)(
const ROCKSDB_NAMESPACE::ReadOptions&,
const std::vector<ROCKSDB_NAMESPACE::Slice>&, std::vector<std::string>*)>(
&ROCKSDB_NAMESPACE::Transaction::MultiGetForUpdate, txn,
std::placeholders::_1, std::placeholders::_2, std::placeholders::_3);
return txn_multi_get_helper(env, fn_multi_get_for_update,
jread_options_handle, jkey_parts);
}
/*
* Class: org_rocksdb_Transaction
* Method: getIterator
* Signature: (JJ)J
*/
jlong Java_org_rocksdb_Transaction_getIterator__JJ(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle,
jlong jread_options_handle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* read_options =
reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jread_options_handle);
return GET_CPLUSPLUS_POINTER(txn->GetIterator(*read_options));
}
/*
* Class: org_rocksdb_Transaction
* Method: getIterator
* Signature: (JJJ)J
*/
jlong Java_org_rocksdb_Transaction_getIterator__JJJ(
JNIEnv* /*env*/, jobject /*jobj*/, jlong jhandle,
jlong jread_options_handle, jlong jcolumn_family_handle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* read_options =
reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jread_options_handle);
auto* column_family_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(
jcolumn_family_handle);
return GET_CPLUSPLUS_POINTER(
txn->GetIterator(*read_options, column_family_handle));
}
typedef std::function<ROCKSDB_NAMESPACE::Status(
const ROCKSDB_NAMESPACE::Slice&, const ROCKSDB_NAMESPACE::Slice&)>
FnWriteKV;
// TODO(AR) consider refactoring to share this between here and rocksjni.cc
void txn_write_kv_helper(JNIEnv* env, const FnWriteKV& fn_write_kv,
const jbyteArray& jkey, const jint& jkey_part_len,
const jbyteArray& jval, const jint& jval_len) {
jbyte* key = env->GetByteArrayElements(jkey, nullptr);
if (key == nullptr) {
// exception thrown: OutOfMemoryError
return;
}
jbyte* value = env->GetByteArrayElements(jval, nullptr);
if (value == nullptr) {
// exception thrown: OutOfMemoryError
env->ReleaseByteArrayElements(jkey, key, JNI_ABORT);
return;
}
ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key),
jkey_part_len);
ROCKSDB_NAMESPACE::Slice value_slice(reinterpret_cast<char*>(value),
jval_len);
ROCKSDB_NAMESPACE::Status s = fn_write_kv(key_slice, value_slice);
// trigger java unref on key.
// by passing JNI_ABORT, it will simply release the reference without
// copying the result back to the java byte array.
env->ReleaseByteArrayElements(jval, value, JNI_ABORT);
env->ReleaseByteArrayElements(jkey, key, JNI_ABORT);
if (s.ok()) {
return;
}
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
}
/*
* Class: org_rocksdb_Transaction
* Method: put
* Signature: (J[BI[BIJZ)V
*/
void Java_org_rocksdb_Transaction_put__J_3BI_3BIJZ(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jbyteArray jkey,
jint jkey_part_len, jbyteArray jval, jint jval_len,
jlong jcolumn_family_handle, jboolean jassume_tracked) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* column_family_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(
jcolumn_family_handle);
FnWriteKV fn_put =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
ROCKSDB_NAMESPACE::ColumnFamilyHandle*,
const ROCKSDB_NAMESPACE::Slice&, const ROCKSDB_NAMESPACE::Slice&,
bool)>(&ROCKSDB_NAMESPACE::Transaction::Put, txn,
column_family_handle, std::placeholders::_1,
std::placeholders::_2, jassume_tracked);
txn_write_kv_helper(env, fn_put, jkey, jkey_part_len, jval, jval_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: put
* Signature: (J[BI[BI)V
*/
void Java_org_rocksdb_Transaction_put__J_3BI_3BI(JNIEnv* env, jobject /*jobj*/,
jlong jhandle, jbyteArray jkey,
jint jkey_part_len,
jbyteArray jval,
jint jval_len) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnWriteKV fn_put =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
const ROCKSDB_NAMESPACE::Slice&, const ROCKSDB_NAMESPACE::Slice&)>(
&ROCKSDB_NAMESPACE::Transaction::Put, txn, std::placeholders::_1,
std::placeholders::_2);
txn_write_kv_helper(env, fn_put, jkey, jkey_part_len, jval, jval_len);
}
typedef std::function<ROCKSDB_NAMESPACE::Status(
const ROCKSDB_NAMESPACE::SliceParts&, const ROCKSDB_NAMESPACE::SliceParts&)>
FnWriteKVParts;
// TODO(AR) consider refactoring to share this between here and rocksjni.cc
void txn_write_kv_parts_helper(JNIEnv* env,
const FnWriteKVParts& fn_write_kv_parts,
const jobjectArray& jkey_parts,
const jint& jkey_parts_len,
const jobjectArray& jvalue_parts,
const jint& jvalue_parts_len) {
#ifndef DEBUG
(void)jvalue_parts_len;
#else
assert(jkey_parts_len == jvalue_parts_len);
#endif
auto key_parts = std::vector<ROCKSDB_NAMESPACE::Slice>();
auto value_parts = std::vector<ROCKSDB_NAMESPACE::Slice>();
auto jparts_to_free = std::vector<std::tuple<jbyteArray, jbyte*, jobject>>();
// convert java key_parts/value_parts byte[][] to Slice(s)
for (jsize i = 0; i < jkey_parts_len; ++i) {
const jobject jobj_key_part = env->GetObjectArrayElement(jkey_parts, i);
if (env->ExceptionCheck()) {
// exception thrown: ArrayIndexOutOfBoundsException
free_parts(env, jparts_to_free);
return;
}
const jobject jobj_value_part = env->GetObjectArrayElement(jvalue_parts, i);
if (env->ExceptionCheck()) {
// exception thrown: ArrayIndexOutOfBoundsException
env->DeleteLocalRef(jobj_key_part);
free_parts(env, jparts_to_free);
return;
}
const jbyteArray jba_key_part = reinterpret_cast<jbyteArray>(jobj_key_part);
const jsize jkey_part_len = env->GetArrayLength(jba_key_part);
if (env->EnsureLocalCapacity(jkey_part_len) != 0) {
// out of memory
env->DeleteLocalRef(jobj_value_part);
env->DeleteLocalRef(jobj_key_part);
free_parts(env, jparts_to_free);
return;
}
jbyte* jkey_part = env->GetByteArrayElements(jba_key_part, nullptr);
if (jkey_part == nullptr) {
// exception thrown: OutOfMemoryError
env->DeleteLocalRef(jobj_value_part);
env->DeleteLocalRef(jobj_key_part);
free_parts(env, jparts_to_free);
return;
}
const jbyteArray jba_value_part =
reinterpret_cast<jbyteArray>(jobj_value_part);
const jsize jvalue_part_len = env->GetArrayLength(jba_value_part);
if (env->EnsureLocalCapacity(jvalue_part_len) != 0) {
// out of memory
env->DeleteLocalRef(jobj_value_part);
env->DeleteLocalRef(jobj_key_part);
env->ReleaseByteArrayElements(jba_key_part, jkey_part, JNI_ABORT);
free_parts(env, jparts_to_free);
return;
}
jbyte* jvalue_part = env->GetByteArrayElements(jba_value_part, nullptr);
if (jvalue_part == nullptr) {
// exception thrown: OutOfMemoryError
env->ReleaseByteArrayElements(jba_value_part, jvalue_part, JNI_ABORT);
env->DeleteLocalRef(jobj_value_part);
env->DeleteLocalRef(jobj_key_part);
env->ReleaseByteArrayElements(jba_key_part, jkey_part, JNI_ABORT);
free_parts(env, jparts_to_free);
return;
}
jparts_to_free.push_back(
std::make_tuple(jba_key_part, jkey_part, jobj_key_part));
jparts_to_free.push_back(
std::make_tuple(jba_value_part, jvalue_part, jobj_value_part));
key_parts.push_back(ROCKSDB_NAMESPACE::Slice(
reinterpret_cast<char*>(jkey_part), jkey_part_len));
value_parts.push_back(ROCKSDB_NAMESPACE::Slice(
reinterpret_cast<char*>(jvalue_part), jvalue_part_len));
}
// call the write_multi function
ROCKSDB_NAMESPACE::Status s = fn_write_kv_parts(
ROCKSDB_NAMESPACE::SliceParts(key_parts.data(), (int)key_parts.size()),
ROCKSDB_NAMESPACE::SliceParts(value_parts.data(),
(int)value_parts.size()));
// cleanup temporary memory
free_parts(env, jparts_to_free);
// return
if (s.ok()) {
return;
}
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
}
/*
* Class: org_rocksdb_Transaction
* Method: put
* Signature: (J[[BI[[BIJZ)V
*/
void Java_org_rocksdb_Transaction_put__J_3_3BI_3_3BIJZ(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jobjectArray jkey_parts,
jint jkey_parts_len, jobjectArray jvalue_parts, jint jvalue_parts_len,
jlong jcolumn_family_handle, jboolean jassume_tracked) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* column_family_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(
jcolumn_family_handle);
FnWriteKVParts fn_put_parts =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
ROCKSDB_NAMESPACE::ColumnFamilyHandle*,
const ROCKSDB_NAMESPACE::SliceParts&,
const ROCKSDB_NAMESPACE::SliceParts&, bool)>(
&ROCKSDB_NAMESPACE::Transaction::Put, txn, column_family_handle,
std::placeholders::_1, std::placeholders::_2, jassume_tracked);
txn_write_kv_parts_helper(env, fn_put_parts, jkey_parts, jkey_parts_len,
jvalue_parts, jvalue_parts_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: put
* Signature: (J[[BI[[BI)V
*/
void Java_org_rocksdb_Transaction_put__J_3_3BI_3_3BI(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jobjectArray jkey_parts,
jint jkey_parts_len, jobjectArray jvalue_parts, jint jvalue_parts_len) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnWriteKVParts fn_put_parts = std::bind<ROCKSDB_NAMESPACE::Status (
ROCKSDB_NAMESPACE::Transaction::*)(const ROCKSDB_NAMESPACE::SliceParts&,
const ROCKSDB_NAMESPACE::SliceParts&)>(
&ROCKSDB_NAMESPACE::Transaction::Put, txn, std::placeholders::_1,
std::placeholders::_2);
txn_write_kv_parts_helper(env, fn_put_parts, jkey_parts, jkey_parts_len,
jvalue_parts, jvalue_parts_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: merge
* Signature: (J[BI[BIJZ)V
*/
void Java_org_rocksdb_Transaction_merge__J_3BI_3BIJZ(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jbyteArray jkey,
jint jkey_part_len, jbyteArray jval, jint jval_len,
jlong jcolumn_family_handle, jboolean jassume_tracked) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* column_family_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(
jcolumn_family_handle);
FnWriteKV fn_merge =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
ROCKSDB_NAMESPACE::ColumnFamilyHandle*,
const ROCKSDB_NAMESPACE::Slice&, const ROCKSDB_NAMESPACE::Slice&,
bool)>(&ROCKSDB_NAMESPACE::Transaction::Merge, txn,
column_family_handle, std::placeholders::_1,
std::placeholders::_2, jassume_tracked);
txn_write_kv_helper(env, fn_merge, jkey, jkey_part_len, jval, jval_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: merge
* Signature: (J[BI[BI)V
*/
void Java_org_rocksdb_Transaction_merge__J_3BI_3BI(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jbyteArray jkey,
jint jkey_part_len, jbyteArray jval, jint jval_len) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnWriteKV fn_merge =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
const ROCKSDB_NAMESPACE::Slice&, const ROCKSDB_NAMESPACE::Slice&)>(
&ROCKSDB_NAMESPACE::Transaction::Merge, txn, std::placeholders::_1,
std::placeholders::_2);
txn_write_kv_helper(env, fn_merge, jkey, jkey_part_len, jval, jval_len);
}
typedef std::function<ROCKSDB_NAMESPACE::Status(
const ROCKSDB_NAMESPACE::Slice&)>
FnWriteK;
// TODO(AR) consider refactoring to share this between here and rocksjni.cc
void txn_write_k_helper(JNIEnv* env, const FnWriteK& fn_write_k,
const jbyteArray& jkey, const jint& jkey_part_len) {
jbyte* key = env->GetByteArrayElements(jkey, nullptr);
if (key == nullptr) {
// exception thrown: OutOfMemoryError
return;
}
ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key),
jkey_part_len);
ROCKSDB_NAMESPACE::Status s = fn_write_k(key_slice);
// trigger java unref on key.
// by passing JNI_ABORT, it will simply release the reference without
// copying the result back to the java byte array.
env->ReleaseByteArrayElements(jkey, key, JNI_ABORT);
if (s.ok()) {
return;
}
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
}
/*
* Class: org_rocksdb_Transaction
* Method: delete
* Signature: (J[BIJZ)V
*/
void Java_org_rocksdb_Transaction_delete__J_3BIJZ(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jbyteArray jkey,
jint jkey_part_len, jlong jcolumn_family_handle, jboolean jassume_tracked) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* column_family_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(
jcolumn_family_handle);
FnWriteK fn_delete =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
ROCKSDB_NAMESPACE::ColumnFamilyHandle*,
const ROCKSDB_NAMESPACE::Slice&, bool)>(
&ROCKSDB_NAMESPACE::Transaction::Delete, txn, column_family_handle,
std::placeholders::_1, jassume_tracked);
txn_write_k_helper(env, fn_delete, jkey, jkey_part_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: delete
* Signature: (J[BI)V
*/
void Java_org_rocksdb_Transaction_delete__J_3BI(JNIEnv* env, jobject /*jobj*/,
jlong jhandle, jbyteArray jkey,
jint jkey_part_len) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnWriteK fn_delete = std::bind<ROCKSDB_NAMESPACE::Status (
ROCKSDB_NAMESPACE::Transaction::*)(const ROCKSDB_NAMESPACE::Slice&)>(
&ROCKSDB_NAMESPACE::Transaction::Delete, txn, std::placeholders::_1);
txn_write_k_helper(env, fn_delete, jkey, jkey_part_len);
}
typedef std::function<ROCKSDB_NAMESPACE::Status(
const ROCKSDB_NAMESPACE::SliceParts&)>
FnWriteKParts;
// TODO(AR) consider refactoring to share this between here and rocksjni.cc
void txn_write_k_parts_helper(JNIEnv* env,
const FnWriteKParts& fn_write_k_parts,
const jobjectArray& jkey_parts,
const jint& jkey_parts_len) {
std::vector<ROCKSDB_NAMESPACE::Slice> key_parts;
std::vector<std::tuple<jbyteArray, jbyte*, jobject>> jkey_parts_to_free;
// convert java key_parts byte[][] to Slice(s)
for (jint i = 0; i < jkey_parts_len; ++i) {
const jobject jobj_key_part = env->GetObjectArrayElement(jkey_parts, i);
if (env->ExceptionCheck()) {
// exception thrown: ArrayIndexOutOfBoundsException
free_parts(env, jkey_parts_to_free);
return;
}
const jbyteArray jba_key_part = reinterpret_cast<jbyteArray>(jobj_key_part);
const jsize jkey_part_len = env->GetArrayLength(jba_key_part);
if (env->EnsureLocalCapacity(jkey_part_len) != 0) {
// out of memory
env->DeleteLocalRef(jobj_key_part);
free_parts(env, jkey_parts_to_free);
return;
}
jbyte* jkey_part = env->GetByteArrayElements(jba_key_part, nullptr);
if (jkey_part == nullptr) {
// exception thrown: OutOfMemoryError
env->DeleteLocalRef(jobj_key_part);
free_parts(env, jkey_parts_to_free);
return;
}
jkey_parts_to_free.push_back(std::tuple<jbyteArray, jbyte*, jobject>(
jba_key_part, jkey_part, jobj_key_part));
key_parts.push_back(ROCKSDB_NAMESPACE::Slice(
reinterpret_cast<char*>(jkey_part), jkey_part_len));
}
// call the write_multi function
ROCKSDB_NAMESPACE::Status s = fn_write_k_parts(
ROCKSDB_NAMESPACE::SliceParts(key_parts.data(), (int)key_parts.size()));
// cleanup temporary memory
free_parts(env, jkey_parts_to_free);
// return
if (s.ok()) {
return;
}
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
}
/*
* Class: org_rocksdb_Transaction
* Method: delete
* Signature: (J[[BIJZ)V
*/
void Java_org_rocksdb_Transaction_delete__J_3_3BIJZ(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jobjectArray jkey_parts,
jint jkey_parts_len, jlong jcolumn_family_handle,
jboolean jassume_tracked) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* column_family_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(
jcolumn_family_handle);
FnWriteKParts fn_delete_parts =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
ROCKSDB_NAMESPACE::ColumnFamilyHandle*,
const ROCKSDB_NAMESPACE::SliceParts&, bool)>(
&ROCKSDB_NAMESPACE::Transaction::Delete, txn, column_family_handle,
std::placeholders::_1, jassume_tracked);
txn_write_k_parts_helper(env, fn_delete_parts, jkey_parts, jkey_parts_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: delete
* Signature: (J[[BI)V
*/
void Java_org_rocksdb_Transaction_delete__J_3_3BI(JNIEnv* env, jobject /*jobj*/,
jlong jhandle,
jobjectArray jkey_parts,
jint jkey_parts_len) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnWriteKParts fn_delete_parts = std::bind<ROCKSDB_NAMESPACE::Status (
ROCKSDB_NAMESPACE::Transaction::*)(const ROCKSDB_NAMESPACE::SliceParts&)>(
&ROCKSDB_NAMESPACE::Transaction::Delete, txn, std::placeholders::_1);
txn_write_k_parts_helper(env, fn_delete_parts, jkey_parts, jkey_parts_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: singleDelete
* Signature: (J[BIJZ)V
*/
void Java_org_rocksdb_Transaction_singleDelete__J_3BIJZ(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jbyteArray jkey,
jint jkey_part_len, jlong jcolumn_family_handle, jboolean jassume_tracked) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* column_family_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(
jcolumn_family_handle);
FnWriteK fn_single_delete =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
ROCKSDB_NAMESPACE::ColumnFamilyHandle*,
const ROCKSDB_NAMESPACE::Slice&, bool)>(
&ROCKSDB_NAMESPACE::Transaction::SingleDelete, txn,
column_family_handle, std::placeholders::_1, jassume_tracked);
txn_write_k_helper(env, fn_single_delete, jkey, jkey_part_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: singleDelete
* Signature: (J[BI)V
*/
void Java_org_rocksdb_Transaction_singleDelete__J_3BI(JNIEnv* env,
jobject /*jobj*/,
jlong jhandle,
jbyteArray jkey,
jint jkey_part_len) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnWriteK fn_single_delete = std::bind<ROCKSDB_NAMESPACE::Status (
ROCKSDB_NAMESPACE::Transaction::*)(const ROCKSDB_NAMESPACE::Slice&)>(
&ROCKSDB_NAMESPACE::Transaction::SingleDelete, txn,
std::placeholders::_1);
txn_write_k_helper(env, fn_single_delete, jkey, jkey_part_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: singleDelete
* Signature: (J[[BIJZ)V
*/
void Java_org_rocksdb_Transaction_singleDelete__J_3_3BIJZ(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jobjectArray jkey_parts,
jint jkey_parts_len, jlong jcolumn_family_handle,
jboolean jassume_tracked) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* column_family_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(
jcolumn_family_handle);
FnWriteKParts fn_single_delete_parts =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
ROCKSDB_NAMESPACE::ColumnFamilyHandle*,
const ROCKSDB_NAMESPACE::SliceParts&, bool)>(
&ROCKSDB_NAMESPACE::Transaction::SingleDelete, txn,
column_family_handle, std::placeholders::_1, jassume_tracked);
txn_write_k_parts_helper(env, fn_single_delete_parts, jkey_parts,
jkey_parts_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: singleDelete
* Signature: (J[[BI)V
*/
void Java_org_rocksdb_Transaction_singleDelete__J_3_3BI(JNIEnv* env,
jobject /*jobj*/,
jlong jhandle,
jobjectArray jkey_parts,
jint jkey_parts_len) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnWriteKParts fn_single_delete_parts = std::bind<ROCKSDB_NAMESPACE::Status (
ROCKSDB_NAMESPACE::Transaction::*)(const ROCKSDB_NAMESPACE::SliceParts&)>(
&ROCKSDB_NAMESPACE::Transaction::SingleDelete, txn,
std::placeholders::_1);
txn_write_k_parts_helper(env, fn_single_delete_parts, jkey_parts,
jkey_parts_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: putUntracked
* Signature: (J[BI[BIJ)V
*/
void Java_org_rocksdb_Transaction_putUntracked__J_3BI_3BIJ(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jbyteArray jkey,
jint jkey_part_len, jbyteArray jval, jint jval_len,
jlong jcolumn_family_handle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* column_family_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(
jcolumn_family_handle);
FnWriteKV fn_put_untracked =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
ROCKSDB_NAMESPACE::ColumnFamilyHandle*,
const ROCKSDB_NAMESPACE::Slice&, const ROCKSDB_NAMESPACE::Slice&)>(
&ROCKSDB_NAMESPACE::Transaction::PutUntracked, txn,
column_family_handle, std::placeholders::_1, std::placeholders::_2);
txn_write_kv_helper(env, fn_put_untracked, jkey, jkey_part_len, jval,
jval_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: putUntracked
* Signature: (J[BI[BI)V
*/
void Java_org_rocksdb_Transaction_putUntracked__J_3BI_3BI(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jbyteArray jkey,
jint jkey_part_len, jbyteArray jval, jint jval_len) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnWriteKV fn_put_untracked =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
const ROCKSDB_NAMESPACE::Slice&, const ROCKSDB_NAMESPACE::Slice&)>(
&ROCKSDB_NAMESPACE::Transaction::PutUntracked, txn,
std::placeholders::_1, std::placeholders::_2);
txn_write_kv_helper(env, fn_put_untracked, jkey, jkey_part_len, jval,
jval_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: putUntracked
* Signature: (J[[BI[[BIJ)V
*/
void Java_org_rocksdb_Transaction_putUntracked__J_3_3BI_3_3BIJ(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jobjectArray jkey_parts,
jint jkey_parts_len, jobjectArray jvalue_parts, jint jvalue_parts_len,
jlong jcolumn_family_handle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* column_family_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(
jcolumn_family_handle);
FnWriteKVParts fn_put_parts_untracked = std::bind<ROCKSDB_NAMESPACE::Status (
ROCKSDB_NAMESPACE::Transaction::*)(ROCKSDB_NAMESPACE::ColumnFamilyHandle*,
const ROCKSDB_NAMESPACE::SliceParts&,
const ROCKSDB_NAMESPACE::SliceParts&)>(
&ROCKSDB_NAMESPACE::Transaction::PutUntracked, txn, column_family_handle,
std::placeholders::_1, std::placeholders::_2);
txn_write_kv_parts_helper(env, fn_put_parts_untracked, jkey_parts,
jkey_parts_len, jvalue_parts, jvalue_parts_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: putUntracked
* Signature: (J[[BI[[BI)V
*/
void Java_org_rocksdb_Transaction_putUntracked__J_3_3BI_3_3BI(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jobjectArray jkey_parts,
jint jkey_parts_len, jobjectArray jvalue_parts, jint jvalue_parts_len) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnWriteKVParts fn_put_parts_untracked = std::bind<ROCKSDB_NAMESPACE::Status (
ROCKSDB_NAMESPACE::Transaction::*)(const ROCKSDB_NAMESPACE::SliceParts&,
const ROCKSDB_NAMESPACE::SliceParts&)>(
&ROCKSDB_NAMESPACE::Transaction::PutUntracked, txn, std::placeholders::_1,
std::placeholders::_2);
txn_write_kv_parts_helper(env, fn_put_parts_untracked, jkey_parts,
jkey_parts_len, jvalue_parts, jvalue_parts_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: mergeUntracked
* Signature: (J[BI[BIJ)V
*/
void Java_org_rocksdb_Transaction_mergeUntracked__J_3BI_3BIJ(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jbyteArray jkey,
jint jkey_part_len, jbyteArray jval, jint jval_len,
jlong jcolumn_family_handle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* column_family_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(
jcolumn_family_handle);
FnWriteKV fn_merge_untracked =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
ROCKSDB_NAMESPACE::ColumnFamilyHandle*,
const ROCKSDB_NAMESPACE::Slice&, const ROCKSDB_NAMESPACE::Slice&)>(
&ROCKSDB_NAMESPACE::Transaction::MergeUntracked, txn,
column_family_handle, std::placeholders::_1, std::placeholders::_2);
txn_write_kv_helper(env, fn_merge_untracked, jkey, jkey_part_len, jval,
jval_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: mergeUntracked
* Signature: (J[BI[BI)V
*/
void Java_org_rocksdb_Transaction_mergeUntracked__J_3BI_3BI(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jbyteArray jkey,
jint jkey_part_len, jbyteArray jval, jint jval_len) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnWriteKV fn_merge_untracked =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
const ROCKSDB_NAMESPACE::Slice&, const ROCKSDB_NAMESPACE::Slice&)>(
&ROCKSDB_NAMESPACE::Transaction::MergeUntracked, txn,
std::placeholders::_1, std::placeholders::_2);
txn_write_kv_helper(env, fn_merge_untracked, jkey, jkey_part_len, jval,
jval_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: deleteUntracked
* Signature: (J[BIJ)V
*/
void Java_org_rocksdb_Transaction_deleteUntracked__J_3BIJ(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jbyteArray jkey,
jint jkey_part_len, jlong jcolumn_family_handle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* column_family_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(
jcolumn_family_handle);
FnWriteK fn_delete_untracked = std::bind<ROCKSDB_NAMESPACE::Status (
ROCKSDB_NAMESPACE::Transaction::*)(ROCKSDB_NAMESPACE::ColumnFamilyHandle*,
const ROCKSDB_NAMESPACE::Slice&)>(
&ROCKSDB_NAMESPACE::Transaction::DeleteUntracked, txn,
column_family_handle, std::placeholders::_1);
txn_write_k_helper(env, fn_delete_untracked, jkey, jkey_part_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: deleteUntracked
* Signature: (J[BI)V
*/
void Java_org_rocksdb_Transaction_deleteUntracked__J_3BI(JNIEnv* env,
jobject /*jobj*/,
jlong jhandle,
jbyteArray jkey,
jint jkey_part_len) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnWriteK fn_delete_untracked = std::bind<ROCKSDB_NAMESPACE::Status (
ROCKSDB_NAMESPACE::Transaction::*)(const ROCKSDB_NAMESPACE::Slice&)>(
&ROCKSDB_NAMESPACE::Transaction::DeleteUntracked, txn,
std::placeholders::_1);
txn_write_k_helper(env, fn_delete_untracked, jkey, jkey_part_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: deleteUntracked
* Signature: (J[[BIJ)V
*/
void Java_org_rocksdb_Transaction_deleteUntracked__J_3_3BIJ(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jobjectArray jkey_parts,
jint jkey_parts_len, jlong jcolumn_family_handle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* column_family_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(
jcolumn_family_handle);
FnWriteKParts fn_delete_untracked_parts =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
ROCKSDB_NAMESPACE::ColumnFamilyHandle*,
const ROCKSDB_NAMESPACE::SliceParts&)>(
&ROCKSDB_NAMESPACE::Transaction::DeleteUntracked, txn,
column_family_handle, std::placeholders::_1);
txn_write_k_parts_helper(env, fn_delete_untracked_parts, jkey_parts,
jkey_parts_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: deleteUntracked
* Signature: (J[[BI)V
*/
void Java_org_rocksdb_Transaction_deleteUntracked__J_3_3BI(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jobjectArray jkey_parts,
jint jkey_parts_len) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
FnWriteKParts fn_delete_untracked_parts =
std::bind<ROCKSDB_NAMESPACE::Status (ROCKSDB_NAMESPACE::Transaction::*)(
const ROCKSDB_NAMESPACE::SliceParts&)>(
&ROCKSDB_NAMESPACE::Transaction::DeleteUntracked, txn,
std::placeholders::_1);
txn_write_k_parts_helper(env, fn_delete_untracked_parts, jkey_parts,
jkey_parts_len);
}
/*
* Class: org_rocksdb_Transaction
* Method: putLogData
* Signature: (J[BI)V
*/
void Java_org_rocksdb_Transaction_putLogData(JNIEnv* env, jobject /*jobj*/,
jlong jhandle, jbyteArray jkey,
jint jkey_part_len) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
jbyte* key = env->GetByteArrayElements(jkey, nullptr);
if (key == nullptr) {
// exception thrown: OutOfMemoryError
return;
}
ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key),
jkey_part_len);
txn->PutLogData(key_slice);
// trigger java unref on key.
// by passing JNI_ABORT, it will simply release the reference without
// copying the result back to the java byte array.
env->ReleaseByteArrayElements(jkey, key, JNI_ABORT);
}
/*
* Class: org_rocksdb_Transaction
* Method: disableIndexing
* Signature: (J)V
*/
void Java_org_rocksdb_Transaction_disableIndexing(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
txn->DisableIndexing();
}
/*
* Class: org_rocksdb_Transaction
* Method: enableIndexing
* Signature: (J)V
*/
void Java_org_rocksdb_Transaction_enableIndexing(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
txn->EnableIndexing();
}
/*
* Class: org_rocksdb_Transaction
* Method: getNumKeys
* Signature: (J)J
*/
jlong Java_org_rocksdb_Transaction_getNumKeys(JNIEnv* /*env*/, jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
return txn->GetNumKeys();
}
/*
* Class: org_rocksdb_Transaction
* Method: getNumPuts
* Signature: (J)J
*/
jlong Java_org_rocksdb_Transaction_getNumPuts(JNIEnv* /*env*/, jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
return txn->GetNumPuts();
}
/*
* Class: org_rocksdb_Transaction
* Method: getNumDeletes
* Signature: (J)J
*/
jlong Java_org_rocksdb_Transaction_getNumDeletes(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
return txn->GetNumDeletes();
}
/*
* Class: org_rocksdb_Transaction
* Method: getNumMerges
* Signature: (J)J
*/
jlong Java_org_rocksdb_Transaction_getNumMerges(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
return txn->GetNumMerges();
}
/*
* Class: org_rocksdb_Transaction
* Method: getElapsedTime
* Signature: (J)J
*/
jlong Java_org_rocksdb_Transaction_getElapsedTime(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
return txn->GetElapsedTime();
}
/*
* Class: org_rocksdb_Transaction
* Method: getWriteBatch
* Signature: (J)J
*/
jlong Java_org_rocksdb_Transaction_getWriteBatch(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
return GET_CPLUSPLUS_POINTER(txn->GetWriteBatch());
}
/*
* Class: org_rocksdb_Transaction
* Method: setLockTimeout
* Signature: (JJ)V
*/
void Java_org_rocksdb_Transaction_setLockTimeout(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle,
jlong jlock_timeout) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
txn->SetLockTimeout(jlock_timeout);
}
/*
* Class: org_rocksdb_Transaction
* Method: getWriteOptions
* Signature: (J)J
*/
jlong Java_org_rocksdb_Transaction_getWriteOptions(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
return GET_CPLUSPLUS_POINTER(txn->GetWriteOptions());
}
/*
* Class: org_rocksdb_Transaction
* Method: setWriteOptions
* Signature: (JJ)V
*/
void Java_org_rocksdb_Transaction_setWriteOptions(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle,
jlong jwrite_options_handle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* write_options =
reinterpret_cast<ROCKSDB_NAMESPACE::WriteOptions*>(jwrite_options_handle);
txn->SetWriteOptions(*write_options);
}
/*
* Class: org_rocksdb_Transaction
* Method: undo
* Signature: (J[BIJ)V
*/
void Java_org_rocksdb_Transaction_undoGetForUpdate__J_3BIJ(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jbyteArray jkey,
jint jkey_part_len, jlong jcolumn_family_handle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* column_family_handle =
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(
jcolumn_family_handle);
jbyte* key = env->GetByteArrayElements(jkey, nullptr);
if (key == nullptr) {
// exception thrown: OutOfMemoryError
return;
}
ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key),
jkey_part_len);
txn->UndoGetForUpdate(column_family_handle, key_slice);
env->ReleaseByteArrayElements(jkey, key, JNI_ABORT);
}
/*
* Class: org_rocksdb_Transaction
* Method: undoGetForUpdate
* Signature: (J[BI)V
*/
void Java_org_rocksdb_Transaction_undoGetForUpdate__J_3BI(JNIEnv* env,
jobject /*jobj*/,
jlong jhandle,
jbyteArray jkey,
jint jkey_part_len) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
jbyte* key = env->GetByteArrayElements(jkey, nullptr);
if (key == nullptr) {
// exception thrown: OutOfMemoryError
return;
}
ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key),
jkey_part_len);
txn->UndoGetForUpdate(key_slice);
env->ReleaseByteArrayElements(jkey, key, JNI_ABORT);
}
/*
* Class: org_rocksdb_Transaction
* Method: rebuildFromWriteBatch
* Signature: (JJ)V
*/
void Java_org_rocksdb_Transaction_rebuildFromWriteBatch(
JNIEnv* env, jobject /*jobj*/, jlong jhandle, jlong jwrite_batch_handle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
auto* write_batch =
reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatch*>(jwrite_batch_handle);
ROCKSDB_NAMESPACE::Status s = txn->RebuildFromWriteBatch(write_batch);
if (!s.ok()) {
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
}
}
/*
* Class: org_rocksdb_Transaction
* Method: getCommitTimeWriteBatch
* Signature: (J)J
*/
jlong Java_org_rocksdb_Transaction_getCommitTimeWriteBatch(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
return GET_CPLUSPLUS_POINTER(txn->GetCommitTimeWriteBatch());
}
/*
* Class: org_rocksdb_Transaction
* Method: setLogNumber
* Signature: (JJ)V
*/
void Java_org_rocksdb_Transaction_setLogNumber(JNIEnv* /*env*/,
jobject /*jobj*/, jlong jhandle,
jlong jlog_number) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
txn->SetLogNumber(jlog_number);
}
/*
* Class: org_rocksdb_Transaction
* Method: getLogNumber
* Signature: (J)J
*/
jlong Java_org_rocksdb_Transaction_getLogNumber(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
return txn->GetLogNumber();
}
/*
* Class: org_rocksdb_Transaction
* Method: setName
* Signature: (JLjava/lang/String;)V
*/
void Java_org_rocksdb_Transaction_setName(JNIEnv* env, jobject /*jobj*/,
jlong jhandle, jstring jname) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
const char* name = env->GetStringUTFChars(jname, nullptr);
if (name == nullptr) {
// exception thrown: OutOfMemoryError
return;
}
ROCKSDB_NAMESPACE::Status s = txn->SetName(name);
env->ReleaseStringUTFChars(jname, name);
if (!s.ok()) {
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
}
}
/*
* Class: org_rocksdb_Transaction
* Method: getName
* Signature: (J)Ljava/lang/String;
*/
jstring Java_org_rocksdb_Transaction_getName(JNIEnv* env, jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
ROCKSDB_NAMESPACE::TransactionName name = txn->GetName();
return env->NewStringUTF(name.data());
}
/*
* Class: org_rocksdb_Transaction
* Method: getID
* Signature: (J)J
*/
jlong Java_org_rocksdb_Transaction_getID(JNIEnv* /*env*/, jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
ROCKSDB_NAMESPACE::TransactionID id = txn->GetID();
return static_cast<jlong>(id);
}
/*
* Class: org_rocksdb_Transaction
* Method: isDeadlockDetect
* Signature: (J)Z
*/
jboolean Java_org_rocksdb_Transaction_isDeadlockDetect(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
return static_cast<jboolean>(txn->IsDeadlockDetect());
}
/*
* Class: org_rocksdb_Transaction
* Method: getWaitingTxns
* Signature: (J)Lorg/rocksdb/Transaction/WaitingTransactions;
*/
jobject Java_org_rocksdb_Transaction_getWaitingTxns(JNIEnv* env,
jobject jtransaction_obj,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
uint32_t column_family_id;
std::string key;
std::vector<ROCKSDB_NAMESPACE::TransactionID> waiting_txns =
txn->GetWaitingTxns(&column_family_id, &key);
jobject jwaiting_txns =
ROCKSDB_NAMESPACE::TransactionJni::newWaitingTransactions(
env, jtransaction_obj, column_family_id, key, waiting_txns);
return jwaiting_txns;
}
/*
* Class: org_rocksdb_Transaction
* Method: getState
* Signature: (J)B
*/
jbyte Java_org_rocksdb_Transaction_getState(JNIEnv* /*env*/, jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
ROCKSDB_NAMESPACE::Transaction::TransactionState txn_status = txn->GetState();
switch (txn_status) {
case ROCKSDB_NAMESPACE::Transaction::TransactionState::STARTED:
return 0x0;
case ROCKSDB_NAMESPACE::Transaction::TransactionState::AWAITING_PREPARE:
return 0x1;
case ROCKSDB_NAMESPACE::Transaction::TransactionState::PREPARED:
return 0x2;
case ROCKSDB_NAMESPACE::Transaction::TransactionState::AWAITING_COMMIT:
return 0x3;
case ROCKSDB_NAMESPACE::Transaction::TransactionState::COMMITTED:
return 0x4;
case ROCKSDB_NAMESPACE::Transaction::TransactionState::AWAITING_ROLLBACK:
return 0x5;
case ROCKSDB_NAMESPACE::Transaction::TransactionState::ROLLEDBACK:
return 0x6;
case ROCKSDB_NAMESPACE::Transaction::TransactionState::LOCKS_STOLEN:
return 0x7;
}
assert(false);
return static_cast<jbyte>(-1);
}
/*
* Class: org_rocksdb_Transaction
* Method: getId
* Signature: (J)J
*/
jlong Java_org_rocksdb_Transaction_getId(JNIEnv* /*env*/, jobject /*jobj*/,
jlong jhandle) {
auto* txn = reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
uint64_t id = txn->GetId();
return static_cast<jlong>(id);
}
/*
* Class: org_rocksdb_Transaction
* Method: disposeInternal
* Signature: (J)V
*/
void Java_org_rocksdb_Transaction_disposeInternal(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle) {
delete reinterpret_cast<ROCKSDB_NAMESPACE::Transaction*>(jhandle);
}