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rocksdb/java/rocksjni/memtablejni.cc

90 lines
3.4 KiB

// Copyright (c) 2011-present, 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++ for MemTables.
#include "rocksjni/portal.h"
#include "include/org_rocksdb_HashSkipListMemTableConfig.h"
#include "include/org_rocksdb_HashLinkedListMemTableConfig.h"
#include "include/org_rocksdb_VectorMemTableConfig.h"
#include "include/org_rocksdb_SkipListMemTableConfig.h"
#include "rocksdb/memtablerep.h"
/*
* Class: org_rocksdb_HashSkipListMemTableConfig
* Method: newMemTableFactoryHandle
* Signature: (JII)J
*/
jlong Java_org_rocksdb_HashSkipListMemTableConfig_newMemTableFactoryHandle(
JNIEnv* env, jobject jobj, jlong jbucket_count,
jint jheight, jint jbranching_factor) {
rocksdb::Status s = rocksdb::check_if_jlong_fits_size_t(jbucket_count);
if (s.ok()) {
return reinterpret_cast<jlong>(rocksdb::NewHashSkipListRepFactory(
static_cast<size_t>(jbucket_count),
static_cast<int32_t>(jheight),
static_cast<int32_t>(jbranching_factor)));
}
rocksdb::IllegalArgumentExceptionJni::ThrowNew(env, s);
return 0;
}
/*
* Class: org_rocksdb_HashLinkedListMemTableConfig
* Method: newMemTableFactoryHandle
* Signature: (JJIZI)J
*/
jlong Java_org_rocksdb_HashLinkedListMemTableConfig_newMemTableFactoryHandle(
JNIEnv* env, jobject jobj, jlong jbucket_count, jlong jhuge_page_tlb_size,
jint jbucket_entries_logging_threshold,
jboolean jif_log_bucket_dist_when_flash, jint jthreshold_use_skiplist) {
rocksdb::Status statusBucketCount =
rocksdb::check_if_jlong_fits_size_t(jbucket_count);
rocksdb::Status statusHugePageTlb =
rocksdb::check_if_jlong_fits_size_t(jhuge_page_tlb_size);
if (statusBucketCount.ok() && statusHugePageTlb.ok()) {
return reinterpret_cast<jlong>(rocksdb::NewHashLinkListRepFactory(
static_cast<size_t>(jbucket_count),
static_cast<size_t>(jhuge_page_tlb_size),
static_cast<int32_t>(jbucket_entries_logging_threshold),
static_cast<bool>(jif_log_bucket_dist_when_flash),
static_cast<int32_t>(jthreshold_use_skiplist)));
}
rocksdb::IllegalArgumentExceptionJni::ThrowNew(env,
!statusBucketCount.ok()?statusBucketCount:statusHugePageTlb);
return 0;
}
/*
* Class: org_rocksdb_VectorMemTableConfig
* Method: newMemTableFactoryHandle
* Signature: (J)J
*/
jlong Java_org_rocksdb_VectorMemTableConfig_newMemTableFactoryHandle(
JNIEnv* env, jobject jobj, jlong jreserved_size) {
rocksdb::Status s = rocksdb::check_if_jlong_fits_size_t(jreserved_size);
if (s.ok()) {
return reinterpret_cast<jlong>(new rocksdb::VectorRepFactory(
static_cast<size_t>(jreserved_size)));
}
rocksdb::IllegalArgumentExceptionJni::ThrowNew(env, s);
return 0;
}
/*
* Class: org_rocksdb_SkipListMemTableConfig
* Method: newMemTableFactoryHandle0
* Signature: (J)J
*/
jlong Java_org_rocksdb_SkipListMemTableConfig_newMemTableFactoryHandle0(
JNIEnv* env, jobject jobj, jlong jlookahead) {
rocksdb::Status s = rocksdb::check_if_jlong_fits_size_t(jlookahead);
if (s.ok()) {
return reinterpret_cast<jlong>(new rocksdb::SkipListFactory(
static_cast<size_t>(jlookahead)));
}
rocksdb::IllegalArgumentExceptionJni::ThrowNew(env, s);
return 0;
}