rocksdb/java/rocksjni/env.cc
David Lai 3be9b36453 comment unused parameters to turn on -Wunused-parameter flag
Summary:
This PR comments out the rest of the unused arguments which allow us to turn on the -Wunused-parameter flag. This is the second part of a codemod relating to https://github.com/facebook/rocksdb/pull/3557.
Closes https://github.com/facebook/rocksdb/pull/3662

Differential Revision: D7426121

Pulled By: Dayvedde

fbshipit-source-id: 223994923b42bd4953eb016a0129e47560f7e352
2018-04-12 17:59:16 -07:00

83 lines
2.8 KiB
C++

// 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++ and enables
// calling c++ rocksdb::Env methods from Java side.
#include "rocksdb/env.h"
#include "include/org_rocksdb_Env.h"
#include "include/org_rocksdb_RocksEnv.h"
#include "include/org_rocksdb_RocksMemEnv.h"
/*
* Class: org_rocksdb_Env
* Method: getDefaultEnvInternal
* Signature: ()J
*/
jlong Java_org_rocksdb_Env_getDefaultEnvInternal(JNIEnv* /*env*/,
jclass /*jclazz*/) {
return reinterpret_cast<jlong>(rocksdb::Env::Default());
}
/*
* Class: org_rocksdb_Env
* Method: setBackgroundThreads
* Signature: (JII)V
*/
void Java_org_rocksdb_Env_setBackgroundThreads(JNIEnv* /*env*/,
jobject /*jobj*/, jlong jhandle,
jint num, jint priority) {
auto* rocks_env = reinterpret_cast<rocksdb::Env*>(jhandle);
switch (priority) {
case org_rocksdb_Env_FLUSH_POOL:
rocks_env->SetBackgroundThreads(num, rocksdb::Env::Priority::LOW);
break;
case org_rocksdb_Env_COMPACTION_POOL:
rocks_env->SetBackgroundThreads(num, rocksdb::Env::Priority::HIGH);
break;
}
}
/*
* Class: org_rocksdb_sEnv
* Method: getThreadPoolQueueLen
* Signature: (JI)I
*/
jint Java_org_rocksdb_Env_getThreadPoolQueueLen(JNIEnv* /*env*/,
jobject /*jobj*/, jlong jhandle,
jint pool_id) {
auto* rocks_env = reinterpret_cast<rocksdb::Env*>(jhandle);
switch (pool_id) {
case org_rocksdb_RocksEnv_FLUSH_POOL:
return rocks_env->GetThreadPoolQueueLen(rocksdb::Env::Priority::LOW);
case org_rocksdb_RocksEnv_COMPACTION_POOL:
return rocks_env->GetThreadPoolQueueLen(rocksdb::Env::Priority::HIGH);
}
return 0;
}
/*
* Class: org_rocksdb_RocksMemEnv
* Method: createMemEnv
* Signature: ()J
*/
jlong Java_org_rocksdb_RocksMemEnv_createMemEnv(JNIEnv* /*env*/,
jclass /*jclazz*/) {
return reinterpret_cast<jlong>(rocksdb::NewMemEnv(rocksdb::Env::Default()));
}
/*
* Class: org_rocksdb_RocksMemEnv
* Method: disposeInternal
* Signature: (J)V
*/
void Java_org_rocksdb_RocksMemEnv_disposeInternal(JNIEnv* /*env*/,
jobject /*jobj*/,
jlong jhandle) {
auto* e = reinterpret_cast<rocksdb::Env*>(jhandle);
assert(e != nullptr);
delete e;
}