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sensesp::SKValueListener< T > Class Template Reference
An ValueProducer that listens to specific Signal K paths and emits its value whenever it changes. More...
#include <sensesp/signalk/signalk_value_listener.h>
Inheritance diagram for sensesp::SKValueListener< T >:
Public Member Functions | |
| SKValueListener (String sk_path, int listen_delay=1000, String config_path="") | |
| void | parse_value (const JsonObject &json) override |
 Public Member Functions inherited from sensesp::SKListener | |
| SKListener (const String &sk_path, int listen_delay, const String &config_path="") | |
| virtual | ~SKListener () |
| String & | get_sk_path () |
| int | get_listen_delay () |
| virtual bool | matches (const String &path) const |
| virtual bool | wants_meta () const |
| virtual void | parse_meta (const std::shared_ptr< const JsonDocument > &meta_doc) |
| Public Member Functions inherited from sensesp::Observable | |
| Observable () | |
| Observable (Observable &&other) | |
| Move constructor. | |
| void | notify () |
| int | attach (std::function< void()> observer) |
| Attach an observer callback. | |
| void | detach (int id) |
| Remove a previously attached observer by its ID. | |
| Public Member Functions inherited from sensesp::FileSystemSaveable | |
| FileSystemSaveable (const String &config_path) | |
| virtual bool | load () override |
| Load and populate the object from a persistent storage. | |
| virtual bool | save () override |
| Save the object to a persistent storage. | |
| virtual bool | clear () override |
| Delete the data from a persistent storage. | |
| bool | find_config_file (const String &config_path, String &filename) |
| Public Member Functions inherited from sensesp::Saveable | |
| Saveable (const String &config_path) | |
| virtual bool | refresh () |
| Refresh the object. This may or may not access the persistent storage but is not expected to overwrite the object's state. | |
| const String & | get_config_path () const |
| Public Member Functions inherited from sensesp::ValueProducer< T > | |
| ValueProducer () | |
| ValueProducer (const T &initial_value) | |
| virtual const T & | get () const |
| template<typename VConsumer > | |
| std::enable_if< std::is_base_of< ValueConsumer< typenameVConsumer::input_type >, VConsumer >::value &&std::is_convertible< T, typenameVConsumer::input_type >::value, std::shared_ptr< VConsumer > >::type | connect_to (std::shared_ptr< VConsumer > consumer) |
| Connect a producer to a transform with a different input type. | |
| template<typename VConsumer > | |
| std::enable_if< std::is_base_of< ValueConsumer< typenameVConsumer::input_type >, VConsumer >::value &&std::is_convertible< T, typenameVConsumer::input_type >::value, VConsumer * >::type | connect_to (VConsumer *consumer) |
| template<typename VConsumer > | |
| std::enable_if< std::is_base_of< ValueConsumer< typenameVConsumer::input_type >, VConsumer >::value &&std::is_convertible< T, typenameVConsumer::input_type >::value, VConsumer * >::type | connect_to (VConsumer &consumer) |
| void | emit (const T &new_value) |
Additional Inherited Members | |
| Static Public Member Functions inherited from sensesp::SKListener | |
| static const std::vector< SKListener * > & | get_listeners () |
| static void | clear_registry () |
| static bool | take_semaphore (uint64_t timeout_ms=0) |
| static void | release_semaphore () |
| Protected Attributes inherited from sensesp::SKListener | |
| String | sk_path {} |
| Protected Attributes inherited from sensesp::Saveable | |
| const String | config_path_ |
| Protected Attributes inherited from sensesp::ValueProducer< T > | |
| T | output_ |
Detailed Description
template<class T>
class sensesp::SKValueListener< T >
class sensesp::SKValueListener< T >
An ValueProducer that listens to specific Signal K paths and emits its value whenever it changes.
Definition at line 17 of file signalk_value_listener.h.
Constructor & Destructor Documentation
◆ SKValueListener()
template<class T >
|
inline |
- Parameters
-
sk_path The Signal K path you want to listen to for value changes listen_delay The minimum interval between updates in ms
Definition at line 23 of file signalk_value_listener.h.
Member Function Documentation
◆ parse_value()
template<class T >
|
inlineoverridevirtual |
Reimplemented from sensesp::SKListener.
Definition at line 32 of file signalk_value_listener.h.
Here is the call graph for this function:
The documentation for this class was generated from the following file:
- src/sensesp/signalk/signalk_value_listener.h
