blob: 85c317f8cf1f35f597332b70ffc8639b44d4b8cc [file] [log] [blame]
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed 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 <utils/JenkinsHash.h>
#include "frameworks/base/cmds/statsd/src/stats_log.pb.h"
namespace android {
namespace os {
namespace statsd {
class HashableDimensionKey {
public:
explicit HashableDimensionKey(const DimensionsValue& dimensionsValue)
: mDimensionsValue(dimensionsValue){};
HashableDimensionKey(){};
HashableDimensionKey(const HashableDimensionKey& that)
: mDimensionsValue(that.getDimensionsValue()){};
HashableDimensionKey& operator=(const HashableDimensionKey& from) = default;
std::string toString() const;
inline const DimensionsValue& getDimensionsValue() const {
return mDimensionsValue;
}
bool operator==(const HashableDimensionKey& that) const;
bool operator<(const HashableDimensionKey& that) const;
inline const char* c_str() const {
return toString().c_str();
}
private:
DimensionsValue mDimensionsValue;
};
android::hash_t hashDimensionsValue(int64_t seed, const DimensionsValue& value);
android::hash_t hashDimensionsValue(const DimensionsValue& value);
} // namespace statsd
} // namespace os
} // namespace android
namespace std {
using android::os::statsd::HashableDimensionKey;
template <>
struct hash<HashableDimensionKey> {
std::size_t operator()(const HashableDimensionKey& key) const {
return hashDimensionsValue(key.getDimensionsValue());
}
};
} // namespace std