milvus/cpp/src/cache/CacheMgr.h
starlord aa1be9cd16 Remove zilliz namespace
Former-commit-id: 18ae9b5711cabd59baf7e0784583f99a655bf9c2
2019-09-29 16:37:34 +08:00

74 lines
1.7 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.
#pragma once
#include "Cache.h"
#include "metrics/Metrics.h"
#include "utils/Log.h"
#include <memory>
#include <string>
namespace milvus {
namespace cache {
template <typename ItemObj>
class CacheMgr {
public:
virtual uint64_t
ItemCount() const;
virtual bool
ItemExists(const std::string& key);
virtual ItemObj
GetItem(const std::string& key);
virtual void
InsertItem(const std::string& key, const ItemObj& data);
virtual void
EraseItem(const std::string& key);
virtual void
PrintInfo();
virtual void
ClearCache();
int64_t
CacheUsage() const;
int64_t
CacheCapacity() const;
void
SetCapacity(int64_t capacity);
protected:
CacheMgr();
virtual ~CacheMgr();
protected:
using CachePtr = std::shared_ptr<Cache<ItemObj>>;
CachePtr cache_;
};
} // namespace cache
} // namespace milvus
#include "cache/CacheMgr.inl"