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rocksdb/java/rocksjni/table.cc

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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++ for rocksdb::Options.
#include <jni.h>
#include "include/org_rocksdb_PlainTableConfig.h"
#include "rocksdb/table.h"
/*
* Class: org_rocksdb_PlainTableConfig
* Method: newTableFactoryHandle
* Signature: (IIDI)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) {
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;
return reinterpret_cast<jlong>(rocksdb::NewPlainTableFactory(options));
}