userver
C++ Async Framework
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exceptions.hpp
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#
pragma
once
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/// @file userver/cache/exceptions.hpp
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/// @brief Exceptions thrown by components::CachingComponentBase
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#
include
<
stdexcept
>
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#
include
<
string
>
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#
include
<
string_view
>
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USERVER_NAMESPACE_BEGIN
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namespace
cache {
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/// Thrown by components::CachingComponentBase::Get if the cache is empty and
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/// `MayReturnNull` returns `false` (as by default).
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class
EmptyCacheError
final
:
public
std::runtime_error {
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public
:
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explicit
EmptyCacheError(std::string_view cache_name);
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};
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/// Thrown by components::CachingComponentBase::PreAssignCheck when the new
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/// value does not pass the check.
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class
DataError
:
public
std::runtime_error {
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using
std::runtime_error::runtime_error;
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};
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class
EmptyDataError
final
:
public
DataError
{
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public
:
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explicit
EmptyDataError(std::string_view cache_name);
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};
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}
// namespace cache
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USERVER_NAMESPACE_END
userver
cache
exceptions.hpp
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