mirror of
https://github.com/facebook/rocksdb.git
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90 lines
3.7 KiB
C++
90 lines
3.7 KiB
C++
// Copyright (c) 2014, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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// This file implements the "bridge" between Java and C++ for rocksdb::Options.
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#include <jni.h>
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#include "include/org_rocksdb_PlainTableConfig.h"
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#include "include/org_rocksdb_BlockBasedTableConfig.h"
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#include "rocksdb/table.h"
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#include "rocksdb/cache.h"
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#include "rocksdb/filter_policy.h"
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/*
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* Class: org_rocksdb_PlainTableConfig
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* Method: newTableFactoryHandle
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* Signature: (IIDIIBZZ)J
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*/
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jlong Java_org_rocksdb_PlainTableConfig_newTableFactoryHandle(
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JNIEnv* env, jobject jobj, jint jkey_size, jint jbloom_bits_per_key,
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jdouble jhash_table_ratio, jint jindex_sparseness,
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jint jhuge_page_tlb_size, jbyte jencoding_type,
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jboolean jfull_scan_mode, jboolean jstore_index_in_file) {
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rocksdb::PlainTableOptions options = rocksdb::PlainTableOptions();
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options.user_key_len = jkey_size;
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options.bloom_bits_per_key = jbloom_bits_per_key;
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options.hash_table_ratio = jhash_table_ratio;
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options.index_sparseness = jindex_sparseness;
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options.huge_page_tlb_size = jhuge_page_tlb_size;
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options.encoding_type = static_cast<rocksdb::EncodingType>(
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jencoding_type);
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options.full_scan_mode = jfull_scan_mode;
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options.store_index_in_file = jstore_index_in_file;
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return reinterpret_cast<jlong>(rocksdb::NewPlainTableFactory(options));
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}
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/*
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* Class: org_rocksdb_BlockBasedTableConfig
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* Method: newTableFactoryHandle
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* Signature: (ZJIJIIZIZZJIBBI)J
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*/
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jlong Java_org_rocksdb_BlockBasedTableConfig_newTableFactoryHandle(
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JNIEnv* env, jobject jobj, jboolean no_block_cache, jlong block_cache_size,
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jint block_cache_num_shardbits, jlong block_size, jint block_size_deviation,
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jint block_restart_interval, jboolean whole_key_filtering,
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jlong jfilterPolicy, jboolean cache_index_and_filter_blocks,
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jboolean hash_index_allow_collision, jlong block_cache_compressed_size,
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jint block_cache_compressd_num_shard_bits, jbyte jchecksum_type,
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jbyte jindex_type, jint jformat_version) {
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rocksdb::BlockBasedTableOptions options;
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options.no_block_cache = no_block_cache;
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if (!no_block_cache && block_cache_size > 0) {
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if (block_cache_num_shardbits > 0) {
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options.block_cache =
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rocksdb::NewLRUCache(block_cache_size, block_cache_num_shardbits);
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} else {
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options.block_cache = rocksdb::NewLRUCache(block_cache_size);
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}
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}
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options.block_size = block_size;
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options.block_size_deviation = block_size_deviation;
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options.block_restart_interval = block_restart_interval;
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options.whole_key_filtering = whole_key_filtering;
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if (jfilterPolicy > 0) {
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std::shared_ptr<rocksdb::FilterPolicy> *pFilterPolicy =
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reinterpret_cast<std::shared_ptr<rocksdb::FilterPolicy> *>(
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jfilterPolicy);
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options.filter_policy = *pFilterPolicy;
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}
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options.cache_index_and_filter_blocks = cache_index_and_filter_blocks;
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options.hash_index_allow_collision = hash_index_allow_collision;
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if (block_cache_compressed_size > 0) {
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if (block_cache_compressd_num_shard_bits > 0) {
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options.block_cache =
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rocksdb::NewLRUCache(block_cache_compressed_size,
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block_cache_compressd_num_shard_bits);
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} else {
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options.block_cache = rocksdb::NewLRUCache(block_cache_compressed_size);
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}
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}
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options.checksum = static_cast<rocksdb::ChecksumType>(jchecksum_type);
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options.index_type = static_cast<
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rocksdb::BlockBasedTableOptions::IndexType>(jindex_type);
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options.format_version = jformat_version;
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return reinterpret_cast<jlong>(rocksdb::NewBlockBasedTableFactory(options));
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}
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