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rocksdb/java/rocksjni/write_batch.cc

301 lines
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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++ and enables
// calling c++ rocksdb::WriteBatch methods from Java side.
#include <memory>
#include "db/memtable.h"
#include "db/write_batch_internal.h"
#include "include/org_rocksdb_WriteBatch.h"
#include "include/org_rocksdb_WriteBatch_Handler.h"
#include "rocksdb/db.h"
#include "rocksdb/env.h"
#include "rocksdb/memtablerep.h"
#include "rocksdb/status.h"
#include "rocksdb/write_batch.h"
#include "rocksdb/write_buffer_manager.h"
#include "rocksjni/portal.h"
#include "rocksjni/writebatchhandlerjnicallback.h"
#include "table/scoped_arena_iterator.h"
#include "util/logging.h"
/*
* Class: org_rocksdb_WriteBatch
* Method: newWriteBatch
* Signature: (I)J
*/
jlong Java_org_rocksdb_WriteBatch_newWriteBatch(
JNIEnv* env, jclass jcls, jint jreserved_bytes) {
auto* wb = new rocksdb::WriteBatch(static_cast<size_t>(jreserved_bytes));
return reinterpret_cast<jlong>(wb);
}
/*
* Class: org_rocksdb_WriteBatch
* Method: count0
* Signature: (J)I
*/
jint Java_org_rocksdb_WriteBatch_count0(JNIEnv* env, jobject jobj,
jlong jwb_handle) {
auto* wb = reinterpret_cast<rocksdb::WriteBatch*>(jwb_handle);
assert(wb != nullptr);
return static_cast<jint>(wb->Count());
}
/*
* Class: org_rocksdb_WriteBatch
* Method: clear0
* Signature: (J)V
*/
void Java_org_rocksdb_WriteBatch_clear0(JNIEnv* env, jobject jobj,
jlong jwb_handle) {
auto* wb = reinterpret_cast<rocksdb::WriteBatch*>(jwb_handle);
assert(wb != nullptr);
wb->Clear();
}
/*
* Class: org_rocksdb_WriteBatch
* Method: setSavePoint0
* Signature: (J)V
*/
void Java_org_rocksdb_WriteBatch_setSavePoint0(
JNIEnv* env, jobject jobj, jlong jwb_handle) {
auto* wb = reinterpret_cast<rocksdb::WriteBatch*>(jwb_handle);
assert(wb != nullptr);
wb->SetSavePoint();
}
/*
* Class: org_rocksdb_WriteBatch
* Method: rollbackToSavePoint0
* Signature: (J)V
*/
void Java_org_rocksdb_WriteBatch_rollbackToSavePoint0(
JNIEnv* env, jobject jobj, jlong jwb_handle) {
auto* wb = reinterpret_cast<rocksdb::WriteBatch*>(jwb_handle);
assert(wb != nullptr);
auto s = wb->RollbackToSavePoint();
if (s.ok()) {
return;
}
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
}
/*
* Class: org_rocksdb_WriteBatch
* Method: put
* Signature: (J[BI[BI)V
*/
void Java_org_rocksdb_WriteBatch_put__J_3BI_3BI(
JNIEnv* env, jobject jobj, jlong jwb_handle,
jbyteArray jkey, jint jkey_len,
jbyteArray jentry_value, jint jentry_value_len) {
auto* wb = reinterpret_cast<rocksdb::WriteBatch*>(jwb_handle);
assert(wb != nullptr);
auto put = [&wb] (rocksdb::Slice key, rocksdb::Slice value) {
wb->Put(key, value);
};
rocksdb::JniUtil::kv_op(put, env, jobj, jkey, jkey_len, jentry_value,
jentry_value_len);
}
/*
* Class: org_rocksdb_WriteBatch
* Method: put
* Signature: (J[BI[BIJ)V
*/
void Java_org_rocksdb_WriteBatch_put__J_3BI_3BIJ(
JNIEnv* env, jobject jobj, jlong jwb_handle,
jbyteArray jkey, jint jkey_len,
jbyteArray jentry_value, jint jentry_value_len, jlong jcf_handle) {
auto* wb = reinterpret_cast<rocksdb::WriteBatch*>(jwb_handle);
assert(wb != nullptr);
auto* cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
assert(cf_handle != nullptr);
auto put = [&wb, &cf_handle] (rocksdb::Slice key, rocksdb::Slice value) {
wb->Put(cf_handle, key, value);
};
rocksdb::JniUtil::kv_op(put, env, jobj, jkey, jkey_len, jentry_value,
jentry_value_len);
}
/*
* Class: org_rocksdb_WriteBatch
* Method: merge
* Signature: (J[BI[BI)V
*/
void Java_org_rocksdb_WriteBatch_merge__J_3BI_3BI(
JNIEnv* env, jobject jobj, jlong jwb_handle,
jbyteArray jkey, jint jkey_len,
jbyteArray jentry_value, jint jentry_value_len) {
auto* wb = reinterpret_cast<rocksdb::WriteBatch*>(jwb_handle);
assert(wb != nullptr);
auto merge = [&wb] (rocksdb::Slice key, rocksdb::Slice value) {
wb->Merge(key, value);
};
rocksdb::JniUtil::kv_op(merge, env, jobj, jkey, jkey_len, jentry_value,
jentry_value_len);
}
/*
* Class: org_rocksdb_WriteBatch
* Method: merge
* Signature: (J[BI[BIJ)V
*/
void Java_org_rocksdb_WriteBatch_merge__J_3BI_3BIJ(
JNIEnv* env, jobject jobj, jlong jwb_handle,
jbyteArray jkey, jint jkey_len,
jbyteArray jentry_value, jint jentry_value_len, jlong jcf_handle) {
auto* wb = reinterpret_cast<rocksdb::WriteBatch*>(jwb_handle);
assert(wb != nullptr);
auto* cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
assert(cf_handle != nullptr);
auto merge = [&wb, &cf_handle] (rocksdb::Slice key, rocksdb::Slice value) {
wb->Merge(cf_handle, key, value);
};
rocksdb::JniUtil::kv_op(merge, env, jobj, jkey, jkey_len, jentry_value,
jentry_value_len);
}
/*
* Class: org_rocksdb_WriteBatch
* Method: remove
* Signature: (J[BI)V
*/
void Java_org_rocksdb_WriteBatch_remove__J_3BI(
JNIEnv* env, jobject jobj, jlong jwb_handle,
jbyteArray jkey, jint jkey_len) {
auto* wb = reinterpret_cast<rocksdb::WriteBatch*>(jwb_handle);
assert(wb != nullptr);
auto remove = [&wb] (rocksdb::Slice key) {
wb->Delete(key);
};
rocksdb::JniUtil::k_op(remove, env, jobj, jkey, jkey_len);
}
/*
* Class: org_rocksdb_WriteBatch
* Method: remove
* Signature: (J[BIJ)V
*/
void Java_org_rocksdb_WriteBatch_remove__J_3BIJ(
JNIEnv* env, jobject jobj, jlong jwb_handle,
jbyteArray jkey, jint jkey_len, jlong jcf_handle) {
auto* wb = reinterpret_cast<rocksdb::WriteBatch*>(jwb_handle);
assert(wb != nullptr);
auto* cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
assert(cf_handle != nullptr);
auto remove = [&wb, &cf_handle] (rocksdb::Slice key) {
wb->Delete(cf_handle, key);
};
rocksdb::JniUtil::k_op(remove, env, jobj, jkey, jkey_len);
}
/*
* Class: org_rocksdb_WriteBatch
* Method: deleteRange
* Signature: (J[BI[BI)V
*/
JNIEXPORT void JNICALL Java_org_rocksdb_WriteBatch_deleteRange__J_3BI_3BI(
JNIEnv*, jobject, jlong, jbyteArray, jint, jbyteArray, jint);
void Java_org_rocksdb_WriteBatch_deleteRange__J_3BI_3BI(
JNIEnv* env, jobject jobj, jlong jwb_handle, jbyteArray jbegin_key,
jint jbegin_key_len, jbyteArray jend_key, jint jend_key_len) {
auto* wb = reinterpret_cast<rocksdb::WriteBatch*>(jwb_handle);
assert(wb != nullptr);
auto deleteRange = [&wb](rocksdb::Slice beginKey, rocksdb::Slice endKey) {
wb->DeleteRange(beginKey, endKey);
};
rocksdb::JniUtil::kv_op(deleteRange, env, jobj, jbegin_key, jbegin_key_len,
jend_key, jend_key_len);
}
/*
* Class: org_rocksdb_WriteBatch
* Method: deleteRange
* Signature: (J[BI[BIJ)V
*/
void Java_org_rocksdb_WriteBatch_deleteRange__J_3BI_3BIJ(
JNIEnv* env, jobject jobj, jlong jwb_handle, jbyteArray jbegin_key,
jint jbegin_key_len, jbyteArray jend_key, jint jend_key_len,
jlong jcf_handle) {
auto* wb = reinterpret_cast<rocksdb::WriteBatch*>(jwb_handle);
assert(wb != nullptr);
auto* cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
assert(cf_handle != nullptr);
auto deleteRange = [&wb, &cf_handle](rocksdb::Slice beginKey,
rocksdb::Slice endKey) {
wb->DeleteRange(cf_handle, beginKey, endKey);
};
rocksdb::JniUtil::kv_op(deleteRange, env, jobj, jbegin_key, jbegin_key_len,
jend_key, jend_key_len);
}
/*
* Class: org_rocksdb_WriteBatch
* Method: putLogData
* Signature: (J[BI)V
*/
void Java_org_rocksdb_WriteBatch_putLogData(
JNIEnv* env, jobject jobj, jlong jwb_handle, jbyteArray jblob,
jint jblob_len) {
auto* wb = reinterpret_cast<rocksdb::WriteBatch*>(jwb_handle);
assert(wb != nullptr);
auto putLogData = [&wb] (rocksdb::Slice blob) {
wb->PutLogData(blob);
};
rocksdb::JniUtil::k_op(putLogData, env, jobj, jblob, jblob_len);
}
/*
* Class: org_rocksdb_WriteBatch
* Method: iterate
* Signature: (JJ)V
*/
void Java_org_rocksdb_WriteBatch_iterate(
JNIEnv* env , jobject jobj, jlong jwb_handle, jlong handlerHandle) {
auto* wb = reinterpret_cast<rocksdb::WriteBatch*>(jwb_handle);
assert(wb != nullptr);
rocksdb::Status s = wb->Iterate(
reinterpret_cast<rocksdb::WriteBatchHandlerJniCallback*>(handlerHandle));
if (s.ok()) {
return;
}
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
}
/*
* Class: org_rocksdb_WriteBatch
* Method: disposeInternal
* Signature: (J)V
*/
void Java_org_rocksdb_WriteBatch_disposeInternal(
JNIEnv* env, jobject jobj, jlong handle) {
auto* wb = reinterpret_cast<rocksdb::WriteBatch*>(handle);
assert(wb != nullptr);
delete wb;
}
/*
* Class: org_rocksdb_WriteBatch_Handler
* Method: createNewHandler0
* Signature: ()J
*/
jlong Java_org_rocksdb_WriteBatch_00024Handler_createNewHandler0(
JNIEnv* env, jobject jobj) {
auto* wbjnic = new rocksdb::WriteBatchHandlerJniCallback(env, jobj);
return reinterpret_cast<jlong>(wbjnic);
}