eve::statepatch::StatePatchStateAdapter类 参考

Adapts one persistent Store to state queries and transactional writes. 更多...

#include <StateAccessAdapter.h>

类 eve::statepatch::StatePatchStateAdapter 继承关系图:

Public 成员函数
	StatePatchStateAdapter (Store &store) noexcept
	Bind a borrowed authoritative persistent store.
std::optional< eve::Value >	value (std::string_view subject, std::string_view key) const override
	Query a generic world value.
std::optional< bool >	hasTag (std::string_view subject, std::string_view tag) const override
	Query exact tag membership.
std::optional< eve::Value >	attribute (std::string_view, std::string_view) const override
	Query a numeric or structured attribute.
std::optional< eve::Value >	resource (std::string_view, std::string_view) const override
	Query a resource value or marker.
std::optional< eve::Value >	state (std::string_view subject, std::string_view key) const override
	Query a persistent/world state value.
std::optional< bool >	authority (std::string_view, std::string_view) const override
	Query read-only authority for a scope.
eve::Result< eve::MutationReceipt >	apply (std::span< const eve::StateMutation > mutations, const eve::MutationContext &context) override
	Apply a complete mutation set atomically.
Public 成员函数 继承自 eve::state::IStateQuery
virtual	~IStateQuery ()=default
	I state query.
Public 成员函数 继承自 eve::state::IStateMutation
virtual	~IStateMutation ()=default
	I state mutation.
virtual eve::Result< MutationReceipt >	apply (std::span< const StateMutation > mutations, const MutationContext &context)=0
	Apply a complete mutation set atomically.

额外继承的成员函数
静态 Public 属性 继承自 eve::state::IStateQuery
static constexpr const char *	capabilityName = "eve.state.IStateQuery"
静态 Public 属性 继承自 eve::state::IStateMutation
static constexpr const char *	capabilityName = "eve.state.IStateMutation"

详细描述

Adapts one persistent Store to state queries and transactional writes.

Every mutation is staged into a StoreTransactionParticipant and committed by the transaction Coordinator. A failed request therefore leaves the Store, revision, dirty set, and change events unchanged.

在文件 StateAccessAdapter.h 第 22 行定义.

构造及析构函数说明

StatePatchStateAdapter()

eve::statepatch::StatePatchStateAdapter::StatePatchStateAdapter ( Store &  store )

inlineexplicitnoexcept

Bind a borrowed authoritative persistent store.

在文件 StateAccessAdapter.h 第 25 行定义.

成员函数说明

apply()

eve::Result< eve::MutationReceipt > eve::statepatch::StatePatchStateAdapter::apply ( std::span< const eve::StateMutation >  mutations, const eve::MutationContext &  context  )

override

Apply a complete mutation set atomically.

Applies .

在文件 StateAccessAdapter.cpp 第 67 行定义.

引用了 eve::Applied, eve::statepatch::PatchResult::changedCount, context, current, eve::transaction::Coordinator::execute(), eve::Failed, eve::Result< T >::failure(), found, handle, eve::statepatch::Store::has(), eve::Result< void >::ignore(), index, eve::InvalidArgument, key, eve::statepatch::Store::newBatch(), eve::NoOp, path, pending, eve::statepatch::Store::releaseBatch(), eve::statepatch::Store::resolveBatch(), eve::SerializationError, eve::StaleHandle, eve::Status::success(), eve::Result< T >::success(), eve::Value::toJson(), eve::state::MutationReceipt::transactionId , 以及 eve::Unsupported.

attribute()

std::optional< eve::Value > eve::statepatch::StatePatchStateAdapter::attribute ( std::string_view  , std::string_view    ) const

inlineoverridevirtual

Query a numeric or structured attribute.

Attribute.

实现了 eve::state::IStateQuery.

在文件 StateAccessAdapter.h 第 35 行定义.

authority()

std::optional< bool > eve::statepatch::StatePatchStateAdapter::authority ( std::string_view  , std::string_view    ) const

inlineoverridevirtual

Query read-only authority for a scope.

Authority.

实现了 eve::state::IStateQuery.

在文件 StateAccessAdapter.h 第 48 行定义.

hasTag()

std::optional< bool > eve::statepatch::StatePatchStateAdapter::hasTag ( std::string_view  subject, std::string_view  tag  ) const

overridevirtual

Query exact tag membership.

True when tag.

实现了 eve::state::IStateQuery.

在文件 StateAccessAdapter.cpp 第 52 行定义.

引用了 eve::Value::asBool(), eve::statepatch::Store::has(), eve::Value::isBool(), key, subject, tag , 以及 value.

resource()

std::optional< eve::Value > eve::statepatch::StatePatchStateAdapter::resource ( std::string_view  , std::string_view    ) const

inlineoverridevirtual

Query a resource value or marker.

Resource.

实现了 eve::state::IStateQuery.

在文件 StateAccessAdapter.h 第 40 行定义.

state()

std::optional< eve::Value > eve::statepatch::StatePatchStateAdapter::state ( std::string_view  subject, std::string_view  key  ) const

overridevirtual

Query a persistent/world state value.

State.

实现了 eve::state::IStateQuery.

在文件 StateAccessAdapter.cpp 第 63 行定义.

引用了 key, subject , 以及 value.

value()

std::optional< eve::Value > eve::statepatch::StatePatchStateAdapter::value ( std::string_view  subject, std::string_view  key  ) const

overridevirtual

Query a generic world value.

Value.

实现了 eve::state::IStateQuery.

在文件 StateAccessAdapter.cpp 第 46 行定义.

引用了 key , 以及 subject.

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该类的文档由以下文件生成:

• src/modules/statepatch/StateAccessAdapter.h
• src/modules/statepatch/StateAccessAdapter.cpp