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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::Options.
#include "rocksdb/table.h"
#include <jni.h>
#include "include/org_rocksdb_BlockBasedTableConfig.h"
#include "include/org_rocksdb_PlainTableConfig.h"
#include "rocksdb/cache.h"
#include "rocksdb/filter_policy.h"
/*
* Class: org_rocksdb_PlainTableConfig
* Method: newTableFactoryHandle
* Signature: (IIDIIBZZ)J
*/
jlong Java_org_rocksdb_PlainTableConfig_newTableFactoryHandle(
JNIEnv * /*env*/, jobject /*jobj*/, jint jkey_size,
jint jbloom_bits_per_key, jdouble jhash_table_ratio, jint jindex_sparseness,
jint jhuge_page_tlb_size, jbyte jencoding_type, jboolean jfull_scan_mode,
jboolean jstore_index_in_file) {
rocksdb::PlainTableOptions options = rocksdb::PlainTableOptions();
options.user_key_len = jkey_size;
options.bloom_bits_per_key = jbloom_bits_per_key;
options.hash_table_ratio = jhash_table_ratio;
options.index_sparseness = jindex_sparseness;
options.huge_page_tlb_size = jhuge_page_tlb_size;
options.encoding_type = static_cast<rocksdb::EncodingType>(jencoding_type);
options.full_scan_mode = jfull_scan_mode;
options.store_index_in_file = jstore_index_in_file;
return reinterpret_cast<jlong>(rocksdb::NewPlainTableFactory(options));
}
/*
* Class: org_rocksdb_BlockBasedTableConfig
* Method: newTableFactoryHandle
* Signature: (ZJIJJIIZIZZZJIBBI)J
*/
jlong Java_org_rocksdb_BlockBasedTableConfig_newTableFactoryHandle(
JNIEnv * /*env*/, jobject /*jobj*/, jboolean no_block_cache,
jlong block_cache_size, jint block_cache_num_shardbits, jlong jblock_cache,
jlong block_size, jint block_size_deviation, jint block_restart_interval,
jboolean whole_key_filtering, jlong jfilter_policy,
jboolean cache_index_and_filter_blocks,
jboolean pin_l0_filter_and_index_blocks_in_cache,
jboolean hash_index_allow_collision, jlong block_cache_compressed_size,
jint block_cache_compressd_num_shard_bits, jbyte jchecksum_type,
jbyte jindex_type, jint jformat_version) {
rocksdb::BlockBasedTableOptions options;
options.no_block_cache = no_block_cache;
if (!no_block_cache) {
if (jblock_cache > 0) {
std::shared_ptr<rocksdb::Cache> *pCache =
reinterpret_cast<std::shared_ptr<rocksdb::Cache> *>(jblock_cache);
options.block_cache = *pCache;
} else if (block_cache_size > 0) {
if (block_cache_num_shardbits > 0) {
options.block_cache =
rocksdb::NewLRUCache(block_cache_size, block_cache_num_shardbits);
} else {
options.block_cache = rocksdb::NewLRUCache(block_cache_size);
}
}
}
options.block_size = block_size;
options.block_size_deviation = block_size_deviation;
options.block_restart_interval = block_restart_interval;
options.whole_key_filtering = whole_key_filtering;
if (jfilter_policy > 0) {
std::shared_ptr<rocksdb::FilterPolicy> *pFilterPolicy =
reinterpret_cast<std::shared_ptr<rocksdb::FilterPolicy> *>(
jfilter_policy);
options.filter_policy = *pFilterPolicy;
}
options.cache_index_and_filter_blocks = cache_index_and_filter_blocks;
options.pin_l0_filter_and_index_blocks_in_cache =
pin_l0_filter_and_index_blocks_in_cache;
options.hash_index_allow_collision = hash_index_allow_collision;
if (block_cache_compressed_size > 0) {
if (block_cache_compressd_num_shard_bits > 0) {
options.block_cache = rocksdb::NewLRUCache(
block_cache_compressed_size, block_cache_compressd_num_shard_bits);
} else {
options.block_cache = rocksdb::NewLRUCache(block_cache_compressed_size);
}
}
options.checksum = static_cast<rocksdb::ChecksumType>(jchecksum_type);
options.index_type =
static_cast<rocksdb::BlockBasedTableOptions::IndexType>(jindex_type);
options.format_version = jformat_version;
return reinterpret_cast<jlong>(rocksdb::NewBlockBasedTableFactory(options));
}
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