art::GroupQueryResult Class Reference

#include "GroupQueryResult.h"

Public Member Functions
	GroupQueryResult (group_ptr_t)
	GroupQueryResult (exception_ptr_t)
bool	succeeded () const
bool	failed () const
cet::exempt_ptr< Group >	result () const
std::shared_ptr< art::Exception const >	whyFailed () const

Private Attributes
std::variant< group_ptr_t, exception_ptr_t >	groupOrException_

Detailed Description

Definition at line 27 of file GroupQueryResult.h.

Constructor & Destructor Documentation

art::GroupQueryResult::GroupQueryResult ( group_ptr_t  g )

explicit

Definition at line 10 of file GroupQueryResult.cc.

: groupOrException_{g} {}

art::GroupQueryResult::GroupQueryResult ( exception_ptr_t  e )

explicit

Definition at line 12 of file GroupQueryResult.cc.

  : groupOrException_{e}
{}

Member Function Documentation

bool art::GroupQueryResult::failed ( ) const

inline

Definition at line 39 of file GroupQueryResult.h.

References groupOrException_.

Referenced by art::ProductRetriever::getByLabel_().

  {
    return std::holds_alternative<exception_ptr_t>(groupOrException_);
  }

cet::exempt_ptr<Group> art::GroupQueryResult::result ( ) const

inline

Definition at line 46 of file GroupQueryResult.h.

References groupOrException_.

Referenced by art::ProductRetriever::getByLabel_(), art::ProductRetriever::getProductProvenance(), art::Handle< T >::Handle(), and whyFailed().

  {
    auto result = std::get_if<group_ptr_t>(&groupOrException_);
    return result ? *result : nullptr;
  }

bool art::GroupQueryResult::succeeded ( ) const

inline

Definition at line 34 of file GroupQueryResult.h.

References groupOrException_.

Referenced by art::ProductRetriever::getByLabel_(), art::ProductRetriever::getByProductID_(), and art::ProductRetriever::getBySelector_().

  {
    return std::holds_alternative<group_ptr_t>(groupOrException_);
  }

std::shared_ptr<art::Exception const> art::GroupQueryResult::whyFailed ( ) const

inline

Definition at line 52 of file GroupQueryResult.h.

References groupOrException_, and result().

  {
    auto result = std::get_if<exception_ptr_t>(&groupOrException_);
    return result ? *result : nullptr;
  }

Member Data Documentation

std::variant<group_ptr_t, exception_ptr_t> art::GroupQueryResult::groupOrException_

private

Definition at line 59 of file GroupQueryResult.h.

Referenced by failed(), result(), succeeded(), and whyFailed().

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The documentation for this class was generated from the following files:

• art/Persistency/Common/GroupQueryResult.h
• art/Persistency/Common/GroupQueryResult.cc