Decision EvaluationContext backed by one dialogue subject. 更多...

#include <DialogueState.h>

类 eve::dialogue::StateEvaluationContext 继承关系图:

Public 成员函数
	StateEvaluationContext (std::string subject={}, eve::IStateQuery *provider=nullptr)
	Construct a context for a stable subject id and optional provider.

void	setSubject (std::string subject)
	Change the subject used by subsequent synchronous queries.

void	setProvider (eve::IStateQuery *provider) noexcept
	Set a borrowed query provider valid for this context's lifetime.

void	setPolicyEvaluator (std::function< std::optional< eve::decision::ConditionResult >(std::string_view, const eve::Value &)> evaluator)
	Install a read-only policy callback without retaining its arguments.

std::optional< eve::Value >	value (std::string_view key) const override
	Query a named scalar or structured value for Compare nodes.

std::optional< bool >	hasTag (std::string_view tag) const override
	Query tag membership; nullopt means the tag source is unavailable.

std::optional< eve::Value >	attribute (std::string_view key) const override
	Query an attribute value; nullopt means the attribute is absent.

std::optional< eve::Value >	resource (std::string_view key) const override
	Query a resource amount or resource marker.

std::optional< eve::Value >	state (std::string_view key) const override
	Query a state value for StateEquals nodes.

std::optional< bool >	authority (std::string_view scope) const override
	Query authority without changing grants, leases, or state.

std::optional< eve::decision::ConditionResult >	policy (std::string_view name, const eve::Value &arguments) const override
	Evaluate a named read-only policy with owned arguments.

Public 成员函数继承自 eve::decision::EvaluationContext
virtual	~EvaluationContext ()=default
	Releases EvaluationContext resources.

详细描述

Decision EvaluationContext backed by one dialogue subject.

The explicit provider is borrowed for this context. When it does not know a query, the context checks the registered IStateQuery capability/listeners. A known false result is never confused with an unavailable provider.

在文件 DialogueState.h 第 86 行定义.

构造及析构函数说明

◆ StateEvaluationContext()

eve::dialogue::StateEvaluationContext::StateEvaluationContext	(	std::string	subject = `{}`,
		eve::IStateQuery *	provider = `nullptr`
	)

explicit

Construct a context for a stable subject id and optional provider.

在文件 DialogueState.cpp 第 246 行定义.

成员函数说明

◆ attribute()

std::optional< eve::Value > eve::dialogue::StateEvaluationContext::attribute ( std::string_view key ) const

overridevirtual

Query an attribute value; nullopt means the attribute is absent.

Attribute.

实现了 eve::decision::EvaluationContext.

在文件 DialogueState.cpp 第 263 行定义.

引用了 eve::state::IStateQuery::attribute(), key, subject , 以及 value.

◆ authority()

std::optional< bool > eve::dialogue::StateEvaluationContext::authority ( std::string_view scope ) const

overridevirtual

Query authority without changing grants, leases, or state.

Authority.

实现了 eve::decision::EvaluationContext.

在文件 DialogueState.cpp 第 285 行定义.

引用了 eve::state::IStateQuery::authority(), scope , 以及 subject.

◆ hasTag()

std::optional< bool > eve::dialogue::StateEvaluationContext::hasTag ( std::string_view tag ) const

overridevirtual

Query tag membership; nullopt means the tag source is unavailable.

True when tag.

实现了 eve::decision::EvaluationContext.

在文件 DialogueState.cpp 第 257 行定义.

引用了 eve::state::IStateQuery::hasTag(), subject , 以及 tag.

◆ policy()

std::optional< eve::decision::ConditionResult > eve::dialogue::StateEvaluationContext::policy	(	std::string_view	name,
		const eve::Value &	arguments
	)		const

overridevirtual

Evaluate a named read-only policy with owned arguments.

Policy.

实现了 eve::decision::EvaluationContext.

在文件 DialogueState.cpp 第 291 行定义.

引用了 name.

◆ resource()

std::optional< eve::Value > eve::dialogue::StateEvaluationContext::resource ( std::string_view key ) const

overridevirtual

Query a resource amount or resource marker.

Resource.

实现了 eve::decision::EvaluationContext.

在文件 DialogueState.cpp 第 271 行定义.

引用了 key, eve::state::IStateQuery::resource() , 以及 subject.

◆ setPolicyEvaluator()

void eve::dialogue::StateEvaluationContext::setPolicyEvaluator ( std::function< std::optional< eve::decision::ConditionResult >(std::string_view, const eve::Value &)> evaluator )

inline

Install a read-only policy callback without retaining its arguments.

在文件 DialogueState.h 第 96 行定义.

◆ setProvider()

void eve::dialogue::StateEvaluationContext::setProvider ( eve::IStateQuery * provider )

inlinenoexcept

Set a borrowed query provider valid for this context's lifetime.

在文件 DialogueState.h 第 94 行定义.

◆ setSubject()

void eve::dialogue::StateEvaluationContext::setSubject ( std::string subject )

Change the subject used by subsequent synchronous queries.

在文件 DialogueState.cpp 第 249 行定义.

引用了 subject.

◆ state()

std::optional< eve::Value > eve::dialogue::StateEvaluationContext::state ( std::string_view key ) const

overridevirtual

Query a state value for StateEquals nodes.

State.

实现了 eve::decision::EvaluationContext.

在文件 DialogueState.cpp 第 277 行定义.

引用了 key, eve::state::IStateQuery::state(), subject , 以及 value.

◆ value()

std::optional< eve::Value > eve::dialogue::StateEvaluationContext::value ( std::string_view key ) const

overridevirtual

Query a named scalar or structured value for Compare nodes.

Value.

实现了 eve::decision::EvaluationContext.

在文件 DialogueState.cpp 第 251 行定义.

引用了 key, subject , 以及 eve::state::IStateQuery::value().

该类的文档由以下文件生成:

src/modules/dialogue/DialogueState.h
src/modules/dialogue/DialogueState.cpp

Public 成员函数

详细描述

构造及析构函数说明

◆ StateEvaluationContext()

成员函数说明

◆ attribute()

◆ authority()

◆ hasTag()

◆ policy()

◆ resource()

◆ setPolicyEvaluator()

◆ setProvider()

◆ setSubject()

◆ state()

◆ value()