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rocksdb/java/rocksjni/write_batch_with_index.cc

386 lines
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// Copyright (c) 2014, Facebook, Inc. 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++ and enables
// calling c++ rocksdb::WriteBatchWithIndex methods from Java side.
#include "include/org_rocksdb_WBWIRocksIterator.h"
#include "include/org_rocksdb_WriteBatchWithIndex.h"
#include "rocksdb/comparator.h"
#include "rocksdb/utilities/write_batch_with_index.h"
#include "rocksjni/portal.h"
/*
* Class: org_rocksdb_WriteBatchWithIndex
* Method: newWriteBatchWithIndex
* Signature: ()V
*/
void Java_org_rocksdb_WriteBatchWithIndex_newWriteBatchWithIndex__(
JNIEnv* env, jobject jobj) {
rocksdb::WriteBatchWithIndex* wbwi = new rocksdb::WriteBatchWithIndex();
rocksdb::WriteBatchWithIndexJni::setHandle(env, jobj, wbwi);
}
/*
* Class: org_rocksdb_WriteBatchWithIndex
* Method: newWriteBatchWithIndex
* Signature: (Z)V
*/
void Java_org_rocksdb_WriteBatchWithIndex_newWriteBatchWithIndex__Z(
JNIEnv* env, jobject jobj, jboolean joverwrite_key) {
rocksdb::WriteBatchWithIndex* wbwi =
new rocksdb::WriteBatchWithIndex(rocksdb::BytewiseComparator(), 0,
static_cast<bool>(joverwrite_key));
rocksdb::WriteBatchWithIndexJni::setHandle(env, jobj, wbwi);
}
/*
* Class: org_rocksdb_WriteBatchWithIndex
* Method: newWriteBatchWithIndex
* Signature: (JIZ)V
*/
void Java_org_rocksdb_WriteBatchWithIndex_newWriteBatchWithIndex__JIZ(
JNIEnv* env, jobject jobj, jlong jfallback_index_comparator_handle,
jint jreserved_bytes, jboolean joverwrite_key) {
rocksdb::WriteBatchWithIndex* wbwi =
new rocksdb::WriteBatchWithIndex(
reinterpret_cast<rocksdb::Comparator*>(jfallback_index_comparator_handle),
static_cast<size_t>(jreserved_bytes), static_cast<bool>(joverwrite_key));
rocksdb::WriteBatchWithIndexJni::setHandle(env, jobj, wbwi);
}
/*
* Class: org_rocksdb_WriteBatchWithIndex
* Method: count
* Signature: ()I
*/
jint Java_org_rocksdb_WriteBatchWithIndex_count0(
JNIEnv* env, jobject jobj) {
rocksdb::WriteBatchWithIndex* wbwi =
rocksdb::WriteBatchWithIndexJni::getHandle(env, jobj);
assert(wbwi != nullptr);
return static_cast<jint>(wbwi->GetWriteBatch()->Count());
}
/*
* Class: org_rocksdb_WriteBatchWithIndex
* Method: put
* Signature: ([BI[BI)V
*/
void Java_org_rocksdb_WriteBatchWithIndex_put___3BI_3BI(
JNIEnv* env, jobject jobj, jbyteArray jkey, jint jkey_len,
jbyteArray jentry_value, jint jentry_value_len) {
auto* wbwi =
rocksdb::WriteBatchWithIndexJni::getHandle(env, jobj);
assert(wbwi != nullptr);
auto put = [&wbwi] (rocksdb::Slice key, rocksdb::Slice value) {
wbwi->Put(key, value);
};
rocksdb::JniUtil::kv_op(put, env, jobj, jkey, jkey_len, jentry_value,
jentry_value_len);
}
/*
* Class: org_rocksdb_WriteBatchWithIndex
* Method: put
* Signature: ([BI[BIJ)V
*/
void Java_org_rocksdb_WriteBatchWithIndex_put___3BI_3BIJ(
JNIEnv* env, jobject jobj, jbyteArray jkey, jint jkey_len,
jbyteArray jentry_value, jint jentry_value_len, jlong jcf_handle) {
auto* wbwi =
rocksdb::WriteBatchWithIndexJni::getHandle(env, jobj);
assert(wbwi != nullptr);
auto* cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
assert(cf_handle != nullptr);
auto put = [&wbwi, &cf_handle] (rocksdb::Slice key, rocksdb::Slice value) {
wbwi->Put(cf_handle, key, value);
};
rocksdb::JniUtil::kv_op(put, env, jobj, jkey, jkey_len, jentry_value,
jentry_value_len);
}
/*
* Class: org_rocksdb_WriteBatchWithIndex
* Method: merge
* Signature: ([BI[BI)V
*/
void Java_org_rocksdb_WriteBatchWithIndex_merge___3BI_3BI(
JNIEnv* env, jobject jobj, jbyteArray jkey, jint jkey_len,
jbyteArray jentry_value, jint jentry_value_len) {
auto* wbwi =
rocksdb::WriteBatchWithIndexJni::getHandle(env, jobj);
assert(wbwi != nullptr);
auto merge = [&wbwi] (rocksdb::Slice key, rocksdb::Slice value) {
wbwi->Merge(key, value);
};
rocksdb::JniUtil::kv_op(merge, env, jobj, jkey, jkey_len, jentry_value,
jentry_value_len);
}
/*
* Class: org_rocksdb_WriteBatchWithIndex
* Method: merge
* Signature: ([BI[BIJ)V
*/
void Java_org_rocksdb_WriteBatchWithIndex_merge___3BI_3BIJ(
JNIEnv* env, jobject jobj, jbyteArray jkey, jint jkey_len,
jbyteArray jentry_value, jint jentry_value_len, jlong jcf_handle) {
auto* wbwi =
rocksdb::WriteBatchWithIndexJni::getHandle(env, jobj);
assert(wbwi != nullptr);
auto* cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
assert(cf_handle != nullptr);
auto merge = [&wbwi, &cf_handle] (rocksdb::Slice key, rocksdb::Slice value) {
wbwi->Merge(cf_handle, key, value);
};
rocksdb::JniUtil::kv_op(merge, env, jobj, jkey, jkey_len, jentry_value,
jentry_value_len);
}
/*
* Class: org_rocksdb_WriteBatchWithIndex
* Method: remove
* Signature: ([BI)V
*/
void Java_org_rocksdb_WriteBatchWithIndex_remove___3BI(
JNIEnv* env, jobject jobj, jbyteArray jkey, jint jkey_len) {
auto* wbwi =
rocksdb::WriteBatchWithIndexJni::getHandle(env, jobj);
assert(wbwi != nullptr);
auto remove = [&wbwi] (rocksdb::Slice key) {
wbwi->Delete(key);
};
rocksdb::JniUtil::k_op(remove, env, jobj, jkey, jkey_len);
}
/*
* Class: org_rocksdb_WriteBatchWithIndex
* Method: remove
* Signature: ([BIJ)V
*/
void Java_org_rocksdb_WriteBatchWithIndex_remove___3BIJ(
JNIEnv* env, jobject jobj,
jbyteArray jkey, jint jkey_len, jlong jcf_handle) {
auto* wbwi =
rocksdb::WriteBatchWithIndexJni::getHandle(env, jobj);
assert(wbwi != nullptr);
auto* cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
assert(cf_handle != nullptr);
auto remove = [&wbwi, &cf_handle] (rocksdb::Slice key) {
wbwi->Delete(cf_handle, key);
};
rocksdb::JniUtil::k_op(remove, env, jobj, jkey, jkey_len);
}
/*
* Class: org_rocksdb_WriteBatchWithIndex
* Method: putLogData
* Signature: ([BI)V
*/
void Java_org_rocksdb_WriteBatchWithIndex_putLogData(
JNIEnv* env, jobject jobj, jbyteArray jblob, jint jblob_len) {
auto* wbwi =
rocksdb::WriteBatchWithIndexJni::getHandle(env, jobj);
assert(wbwi != nullptr);
auto putLogData = [&wbwi] (rocksdb::Slice blob) {
wbwi->PutLogData(blob);
};
rocksdb::JniUtil::k_op(putLogData, env, jobj, jblob, jblob_len);
}
/*
* Class: org_rocksdb_WriteBatchWithIndex
* Method: clear
* Signature: ()V
*/
void Java_org_rocksdb_WriteBatchWithIndex_clear0(
JNIEnv* env, jobject jobj) {
rocksdb::WriteBatchWithIndex* wbwi =
rocksdb::WriteBatchWithIndexJni::getHandle(env, jobj);
assert(wbwi != nullptr);
wbwi->GetWriteBatch()->Clear();
}
/*
* Class: org_rocksdb_WriteBatchWithIndex
* Method: iterator0
* Signature: ()J
*/
jlong Java_org_rocksdb_WriteBatchWithIndex_iterator0(
JNIEnv* env, jobject jobj) {
rocksdb::WriteBatchWithIndex* wbwi =
rocksdb::WriteBatchWithIndexJni::getHandle(env, jobj);
rocksdb::WBWIIterator* wbwi_iterator = wbwi->NewIterator();
return reinterpret_cast<jlong>(wbwi_iterator);
}
/*
* Class: org_rocksdb_WriteBatchWithIndex
* Method: iterator1
* Signature: (J)J
*/
jlong Java_org_rocksdb_WriteBatchWithIndex_iterator1(
JNIEnv* env, jobject jobj, jlong jcf_handle) {
rocksdb::WriteBatchWithIndex* wbwi =
rocksdb::WriteBatchWithIndexJni::getHandle(env, jobj);
auto* cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
rocksdb::WBWIIterator* wbwi_iterator = wbwi->NewIterator(cf_handle);
return reinterpret_cast<jlong>(wbwi_iterator);
}
/*
* Class: org_rocksdb_WriteBatchWithIndex
* Method: iteratorWithBase
* Signature: (JJ)J
*/
jlong Java_org_rocksdb_WriteBatchWithIndex_iteratorWithBase(
JNIEnv* env, jobject jobj, jlong jcf_handle, jlong jbi_handle) {
rocksdb::WriteBatchWithIndex* wbwi =
rocksdb::WriteBatchWithIndexJni::getHandle(env, jobj);
auto* cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
auto* base_iterator = reinterpret_cast<rocksdb::Iterator*>(jbi_handle);
auto* iterator = wbwi->NewIteratorWithBase(cf_handle, base_iterator);
return reinterpret_cast<jlong>(iterator);
}
/*
* Class: org_rocksdb_WriteBatchWithIndex
* Method: disposeInternal
* Signature: (J)V
*/
void Java_org_rocksdb_WriteBatchWithIndex_disposeInternal(
JNIEnv* env, jobject jobj, jlong handle) {
auto* wbwi = reinterpret_cast<rocksdb::WriteBatchWithIndex*>(handle);
delete wbwi;
}
/* WBWIRocksIterator below */
/*
* Class: org_rocksdb_WBWIRocksIterator
* Method: disposeInternal
* Signature: (J)V
*/
void Java_org_rocksdb_WBWIRocksIterator_disposeInternal(
JNIEnv* env, jobject jobj, jlong handle) {
auto* it = reinterpret_cast<rocksdb::WBWIIterator*>(handle);
delete it;
}
/*
* Class: org_rocksdb_WBWIRocksIterator
* Method: isValid0
* Signature: (J)Z
*/
jboolean Java_org_rocksdb_WBWIRocksIterator_isValid0(
JNIEnv* env, jobject jobj, jlong handle) {
return reinterpret_cast<rocksdb::WBWIIterator*>(handle)->Valid();
}
/*
* Class: org_rocksdb_WBWIRocksIterator
* Method: seekToFirst0
* Signature: (J)V
*/
void Java_org_rocksdb_WBWIRocksIterator_seekToFirst0(
JNIEnv* env, jobject jobj, jlong handle) {
reinterpret_cast<rocksdb::WBWIIterator*>(handle)->SeekToFirst();
}
/*
* Class: org_rocksdb_WBWIRocksIterator
* Method: seekToLast0
* Signature: (J)V
*/
void Java_org_rocksdb_WBWIRocksIterator_seekToLast0(
JNIEnv* env, jobject jobj, jlong handle) {
reinterpret_cast<rocksdb::WBWIIterator*>(handle)->SeekToLast();
}
/*
* Class: org_rocksdb_WBWIRocksIterator
* Method: next0
* Signature: (J)V
*/
void Java_org_rocksdb_WBWIRocksIterator_next0(
JNIEnv* env, jobject jobj, jlong handle) {
reinterpret_cast<rocksdb::WBWIIterator*>(handle)->Next();
}
/*
* Class: org_rocksdb_WBWIRocksIterator
* Method: prev0
* Signature: (J)V
*/
void Java_org_rocksdb_WBWIRocksIterator_prev0(
JNIEnv* env, jobject jobj, jlong handle) {
reinterpret_cast<rocksdb::WBWIIterator*>(handle)->Prev();
}
/*
* Class: org_rocksdb_WBWIRocksIterator
* Method: seek0
* Signature: (J[BI)V
*/
void Java_org_rocksdb_WBWIRocksIterator_seek0(
JNIEnv* env, jobject jobj, jlong handle, jbyteArray jtarget,
jint jtarget_len) {
auto* it = reinterpret_cast<rocksdb::WBWIIterator*>(handle);
jbyte* target = env->GetByteArrayElements(jtarget, 0);
rocksdb::Slice target_slice(
reinterpret_cast<char*>(target), jtarget_len);
it->Seek(target_slice);
env->ReleaseByteArrayElements(jtarget, target, JNI_ABORT);
}
/*
* Class: org_rocksdb_WBWIRocksIterator
* Method: status0
* Signature: (J)V
*/
void Java_org_rocksdb_WBWIRocksIterator_status0(
JNIEnv* env, jobject jobj, jlong handle) {
auto* it = reinterpret_cast<rocksdb::WBWIIterator*>(handle);
rocksdb::Status s = it->status();
if (s.ok()) {
return;
}
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
}
/*
* Class: org_rocksdb_WBWIRocksIterator
* Method: entry1
* Signature: (JLorg/rocksdb/WBWIRocksIterator/WriteEntry;)V
*/
void Java_org_rocksdb_WBWIRocksIterator_entry1(
JNIEnv* env, jobject jobj, jlong handle, jobject jwrite_entry) {
auto* it = reinterpret_cast<rocksdb::WBWIIterator*>(handle);
const rocksdb::WriteEntry& we = it->Entry();
jobject jwe = rocksdb::WBWIRocksIteratorJni::getWriteEntry(env, jobj);
rocksdb::WriteEntryJni::setWriteType(env, jwe, we.type);
char* buf = new char[we.key.size()];
memcpy(buf, we.key.data(), we.key.size());
auto* key_slice = new rocksdb::Slice(buf, we.key.size());
rocksdb::WriteEntryJni::setKey(env, jwe, key_slice);
if (we.type == rocksdb::kDeleteRecord || we.type == rocksdb::kLogDataRecord) {
// set native handle of value slice to null if no value available
rocksdb::WriteEntryJni::setValue(env, jwe, nullptr);
} else {
char* value_buf = new char[we.value.size()];
memcpy(value_buf, we.value.data(), we.value.size());
auto* value_slice = new rocksdb::Slice(value_buf, we.value.size());
rocksdb::WriteEntryJni::setValue(env, jwe, value_slice);
}
}