milvus/cpp/src/cache/CacheMgr.inl
starlord 4645535217 format cache code
Former-commit-id: 99ff6affb78c09941a59c53183427a14b8ff00d1
2019-09-27 10:09:09 +08:00

146 lines
3.3 KiB
C++

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
namespace zilliz {
namespace milvus {
namespace cache {
template<typename ItemObj>
CacheMgr<ItemObj>::CacheMgr() {
}
template<typename ItemObj>
CacheMgr<ItemObj>::~CacheMgr() {
}
template<typename ItemObj>
uint64_t
CacheMgr<ItemObj>::ItemCount() const {
if (cache_ == nullptr) {
SERVER_LOG_ERROR << "Cache doesn't exist";
return 0;
}
return (uint64_t) (cache_->size());
}
template<typename ItemObj>
bool
CacheMgr<ItemObj>::ItemExists(const std::string &key) {
if (cache_ == nullptr) {
SERVER_LOG_ERROR << "Cache doesn't exist";
return false;
}
return cache_->exists(key);
}
template<typename ItemObj>
ItemObj
CacheMgr<ItemObj>::GetItem(const std::string &key) {
if (cache_ == nullptr) {
SERVER_LOG_ERROR << "Cache doesn't exist";
return nullptr;
}
server::Metrics::GetInstance().CacheAccessTotalIncrement();
return cache_->get(key);
}
template<typename ItemObj>
void
CacheMgr<ItemObj>::InsertItem(const std::string &key, const ItemObj &data) {
if (cache_ == nullptr) {
SERVER_LOG_ERROR << "Cache doesn't exist";
return;
}
cache_->insert(key, data);
server::Metrics::GetInstance().CacheAccessTotalIncrement();
}
template<typename ItemObj>
void
CacheMgr<ItemObj>::EraseItem(const std::string &key) {
if (cache_ == nullptr) {
SERVER_LOG_ERROR << "Cache doesn't exist";
return;
}
cache_->erase(key);
server::Metrics::GetInstance().CacheAccessTotalIncrement();
}
template<typename ItemObj>
void
CacheMgr<ItemObj>::PrintInfo() {
if (cache_ == nullptr) {
SERVER_LOG_ERROR << "Cache doesn't exist";
return;
}
cache_->print();
}
template<typename ItemObj>
void
CacheMgr<ItemObj>::ClearCache() {
if (cache_ == nullptr) {
SERVER_LOG_ERROR << "Cache doesn't exist";
return;
}
cache_->clear();
}
template<typename ItemObj>
int64_t
CacheMgr<ItemObj>::CacheUsage() const {
if (cache_ == nullptr) {
SERVER_LOG_ERROR << "Cache doesn't exist";
return 0;
}
return cache_->usage();
}
template<typename ItemObj>
int64_t
CacheMgr<ItemObj>::CacheCapacity() const {
if (cache_ == nullptr) {
SERVER_LOG_ERROR << "Cache doesn't exist";
return 0;
}
return cache_->capacity();
}
template<typename ItemObj>
void
CacheMgr<ItemObj>::SetCapacity(int64_t capacity) {
if (cache_ == nullptr) {
SERVER_LOG_ERROR << "Cache doesn't exist";
return;
}
cache_->set_capacity(capacity);
}
} // namespace cache
} // namespace milvus
} // namespace zilliz