Class to retrieve other components.
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#include <userver/components/component_context.hpp>
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| template<typename T > |
| T & | FindComponent () const |
| | Finds a component of type T with specified name (if any) and returns the component after it was initialized.
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| template<typename T > |
| T & | FindComponent (std::string_view name) const |
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| template<typename T > |
| T & | FindComponent (std::string_view={}) |
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| template<typename T > |
| T * | FindComponentOptional () const |
| | If there's no component with specified type and name return nullptr; otherwise behaves as FindComponent().
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| template<typename T > |
| T * | FindComponentOptional (std::string_view name) const |
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| template<typename T > |
| T & | FindComponentOptional (std::string_view={}) |
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engine::TaskProcessor & | GetTaskProcessor (const std::string &name) const |
| | Returns an engine::TaskProcessor with the specified name.
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| template<typename T > |
| engine::TaskProcessor & | GetTaskProcessor (const T &) |
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const Manager & | GetManager () const |
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| bool | IsAnyComponentInFatalState () const |
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Class to retrieve other components.
Only the const member functions of this class are meant for usage in component constructor (because of that this class is always passed as a const reference to the constructors).
- See also
- Components
- Examples
- components/component_sample_test.cpp, components/component_sample_test.hpp, postgresql/functional_tests/basic_chaos/postgres_service.cpp, samples/config_service/config_service.cpp, samples/flatbuf_service/flatbuf_service.cpp, samples/grpc_service/grpc_service.cpp, samples/http_caching/http_caching.cpp, samples/mongo_service/mongo_service.cpp, samples/postgres_service/postgres_service.cpp, samples/redis_service/redis_service.cpp, samples/tcp_full_duplex_service/tcp_full_duplex_service.cpp, samples/tcp_service/tcp_service.cpp, samples/testsuite-support/src/metrics.cpp, samples/testsuite-support/src/metrics.hpp, and samples/testsuite-support/src/tasks.cpp.
Definition at line 64 of file component_context.hpp.
◆ FindComponent() [1/3]
template<typename T >
| T & components::ComponentContext::FindComponent |
( |
| ) |
const |
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inline |
◆ FindComponent() [2/3]
template<typename T >
| T & components::ComponentContext::FindComponent |
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std::string_view |
name | ) |
const |
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inline |
◆ FindComponent() [3/3]
template<typename T >
| T & components::ComponentContext::FindComponent |
( |
std::string_view |
= {} | ) |
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inline |
◆ FindComponentOptional() [1/3]
template<typename T >
| T * components::ComponentContext::FindComponentOptional |
( |
| ) |
const |
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inline |
◆ FindComponentOptional() [2/3]
template<typename T >
| T * components::ComponentContext::FindComponentOptional |
( |
std::string_view |
name | ) |
const |
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inline |
◆ FindComponentOptional() [3/3]
template<typename T >
| T & components::ComponentContext::FindComponentOptional |
( |
std::string_view |
= {} | ) |
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inline |
◆ GetTaskProcessor()
template<typename T >
| engine::TaskProcessor & components::ComponentContext::GetTaskProcessor |
( |
const T & |
| ) |
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inline |
◆ IsAnyComponentInFatalState()
| bool components::ComponentContext::IsAnyComponentInFatalState |
( |
| ) |
const |
◆ Manager
The documentation for this class was generated from the following file:
