zypp::sat::WhatProvides Class Reference

Container of Solvable providing a Capability (read only). More...

#include <zypp/sat/WhatProvides.h>

Inheritance diagram for zypp::sat::WhatProvides:

Classes
class	Impl
	WhatProvides implementation date. More...

Public Types
using	value_type = Solvable
using	size_type = unsigned int
using	const_iterator = detail::WhatProvidesIterator
Public Types inherited from zypp::sat::SolvIterMixin< WhatProvides, detail::WhatProvidesIterator >
using	size_type
using	Solvable_iterator
using	PoolItem_iterator
using	Selectable_iterator

Public Member Functions
	WhatProvides ()
	Default ctor.
	WhatProvides (Capability cap_r)
	Ctor from Capability.
	WhatProvides (Capabilities caps_r)
	Ctor collecting all providers of capabilities in caps_r.
	WhatProvides (const CapabilitySet &caps_r)
	Ctor collecting all providers of capabilities in caps_r.
bool	empty () const
	Whether the container is empty.
size_type	size () const
	Number of solvables inside.
const_iterator	begin () const
	Iterator pointing to the first Solvable.
const_iterator	end () const
	Iterator pointing behind the last Solvable.
Public Member Functions inherited from zypp::sat::SolvIterMixin< WhatProvides, detail::WhatProvidesIterator >
bool	empty () const
	Whether the collection is epmty.
size_type	size () const
	Size of the collection.
bool	contains (const TSolv &solv_r) const
	Whether collection contains a specific Solvable.
Solvable_iterator	solvableBegin () const
Solvable_iterator	solvableEnd () const
Iterable< Solvable_iterator >	solvable () const
PoolItem_iterator	poolItemBegin () const
PoolItem_iterator	poolItemEnd () const
Iterable< PoolItem_iterator >	poolItem () const
Selectable_iterator	selectableBegin () const
Selectable_iterator	selectableEnd () const
Iterable< Selectable_iterator >	selectable () const

Private Attributes
RW_pointer< Impl >	_pimpl

Related Symbols
(Note that these are not member symbols.)
std::ostream &	operator<< (std::ostream &str, const WhatProvides &obj)
	Stream output.

Additional Inherited Members
	SolvIterMixin ()
	~SolvIterMixin ()
SolvIterMixin &	operator= (const SolvIterMixin &)=default
Static Protected Member Functions inherited from zypp::sat::detail::PoolMember
static PoolImpl &	myPool ()

Detailed Description

Container of Solvable providing a Capability (read only).

Capability cap("amarok < 1.13");
 
WhatProvides q( cap );
Solvable firstMatch;
 
if ( ! q.empty() )
{
  cout << "Found " << q.size() << " matches for " << cap << ":" << endl;
  firstMatch = *q.begin();
 
  for_( it, q.begin(), q.end() )
    cout << *it << endl;
}
 
if ( firstMatch )
{
  WhatProvides req( firstMatch.requires() );
  if ( ! req.empty() )
  {
     cout << "Found " << req.size() << " items providing requirements of " << firstMatch << ":" << endl;
  }
}

Note

Note that there are capabilities which are not provided by any Solvable, but are system properties. For example:

rpmlib(PayloadIsBzip2) <= 3.0.5-1

In that case a Solvable::noSolvable is returned, which has isSystem set true, although there should never be a Solvable::noSolvable returned with isSystem set false. If so, please file a bugreport.

WhatProvides q( Capability("rpmlib(PayloadIsBzip2) <= 3.0.5-1") );
for_( it, q.begin(), q.end() )
{
  if ( *it )
    cout << "Capability is provided by package " << *it << endl;
  else if ( it->isSystem() )
    cout << "Capability is a system property" << endl;
  else
    ; // never reaching this \c else
}

Definition at line 87 of file WhatProvides.h.

Member Typedef Documentation

value_type

using zypp::sat::WhatProvides::value_type = Solvable

Definition at line 91 of file WhatProvides.h.

size_type

using zypp::sat::WhatProvides::size_type = unsigned int

Definition at line 92 of file WhatProvides.h.

const_iterator

using zypp::sat::WhatProvides::const_iterator = detail::WhatProvidesIterator

Definition at line 118 of file WhatProvides.h.

Constructor & Destructor Documentation

WhatProvides() [1/4]

zypp::sat::WhatProvides::WhatProvides

(

)

Default ctor.

Definition at line 94 of file WhatProvides.cc.

WhatProvides() [2/4]

zypp::sat::WhatProvides::WhatProvides ( Capability cap_r )

explicit

Ctor from Capability.

Definition at line 97 of file WhatProvides.cc.

WhatProvides() [3/4]

zypp::sat::WhatProvides::WhatProvides ( Capabilities caps_r )

explicit

Ctor collecting all providers of capabilities in caps_r.

Definition at line 107 of file WhatProvides.cc.

WhatProvides() [4/4]

zypp::sat::WhatProvides::WhatProvides ( const CapabilitySet & caps_r )

explicit

Ctor collecting all providers of capabilities in caps_r.

Definition at line 118 of file WhatProvides.cc.

Member Function Documentation

empty()

bool zypp::sat::WhatProvides::empty

(

)

const

Whether the container is empty.

Definition at line 129 of file WhatProvides.cc.

size()

WhatProvides::size_type zypp::sat::WhatProvides::size

(

)

const

Number of solvables inside.

Definition at line 134 of file WhatProvides.cc.

begin()

WhatProvides::const_iterator zypp::sat::WhatProvides::begin

(

)

const

Iterator pointing to the first Solvable.

Definition at line 145 of file WhatProvides.cc.

end()

WhatProvides::const_iterator zypp::sat::WhatProvides::end ( ) const

inline

Iterator pointing behind the last Solvable.

Definition at line 234 of file WhatProvides.h.

Friends And Related Symbol Documentation

operator<<()

std::ostream & operator<< ( std::ostream & str, const WhatProvides & obj )

related

Stream output.

Definition at line 162 of file WhatProvides.cc.

Member Data Documentation

_pimpl

RW_pointer<Impl> zypp::sat::WhatProvides::_pimpl

private

Definition at line 128 of file WhatProvides.h.

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

• zypp/sat/WhatProvides.h
• zypp/sat/WhatProvides.cc