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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "attribute_resource_usage.h"
namespace storage::spi {
/*
* Class representing resource usage for persistence provider.
* Numbers are normalized to be between 0.0 and 1.0
*/
class ResourceUsage
{
double _disk_usage;
double _memory_usage;
AttributeResourceUsage _attribute_address_space_usage;
public:
ResourceUsage(double disk_usage, double memory_usage,
const AttributeResourceUsage &attribute_address_space_usage)
: _disk_usage(disk_usage),
_memory_usage(memory_usage),
_attribute_address_space_usage(attribute_address_space_usage)
{
}
ResourceUsage(double disk_usage, double memory_usage)
: ResourceUsage(disk_usage, memory_usage, AttributeResourceUsage())
{
}
ResourceUsage()
: ResourceUsage(0.0, 0.0)
{
}
ResourceUsage(const ResourceUsage &rhs);
ResourceUsage(ResourceUsage &&rhs);
~ResourceUsage();
ResourceUsage& operator=(const ResourceUsage &rhs);
ResourceUsage& operator=(ResourceUsage &&rhs);
double get_disk_usage() const noexcept { return _disk_usage; }
double get_memory_usage() const noexcept { return _memory_usage; }
const AttributeResourceUsage& get_attribute_address_space_usage() const noexcept { return _attribute_address_space_usage; }
bool operator==(const ResourceUsage &rhs) const noexcept {
return ((_disk_usage == rhs._disk_usage) &&
(_memory_usage == rhs._memory_usage) &&
(_attribute_address_space_usage == rhs._attribute_address_space_usage));
}
bool operator!=(const ResourceUsage &rhs) const noexcept {
return !operator==(rhs);
}
};
std::ostream& operator<<(std::ostream& out, const ResourceUsage& resource_usage);
}
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