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<title>apt: pkgDepCache Class Reference</title>
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<div id="projectname">apt
 <span id="projectnumber">1.4.6</span>
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<div id="projectbrief">commandline package manager</div>
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<a href="#nested-classes">Classes</a> |
<a href="#pub-types">Public Types</a> |
<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">pkgDepCache Class Reference</div> </div>
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Inheritance diagram for pkgDepCache:</div>
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<img src="classpkgDepCache.png" usemap="#pkgDepCache_map" alt=""/>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classpkgDepCache_1_1ActionGroup.xhtml">ActionGroup</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Represents an active action group. <a href="classpkgDepCache_1_1ActionGroup.xhtml#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classpkgDepCache_1_1DefaultRootSetFunc.xhtml">DefaultRootSetFunc</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Returns <b>true</b> for packages matching a regular expression in APT::NeverAutoRemove. <a href="classpkgDepCache_1_1DefaultRootSetFunc.xhtml#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classpkgDepCache_1_1InRootSetFunc.xhtml">InRootSetFunc</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">An arbitrary predicate on packages. <a href="classpkgDepCache_1_1InRootSetFunc.xhtml#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classpkgDepCache_1_1Policy.xhtml">Policy</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structpkgDepCache_1_1StateCache.xhtml">StateCache</a></td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:a1b38062fc80c3e4a6fa163aafb400dd6"><td class="memItemLeft" align="right" valign="top"><a id="a1b38062fc80c3e4a6fa163aafb400dd6"></a>enum  </td><td class="memItemRight" valign="bottom"><b>DepFlags</b> { <br />
  <b>DepNow</b> = (1 << 0),
<b>DepInstall</b> = (1 << 1),
<b>DepCVer</b> = (1 << 2),
<b>DepGNow</b> = (1 << 3),
<br />
  <b>DepGInstall</b> = (1 << 4),
<b>DepGCVer</b> = (1 << 5)
<br />
}</td></tr>
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<tr class="memitem:aae3bbb52473d6744212e522f9f92341e"><td class="memItemLeft" align="right" valign="top"><a id="aae3bbb52473d6744212e522f9f92341e"></a>enum  </td><td class="memItemRight" valign="bottom"><b>DepStateFlags</b> { <br />
  <b>DepNowPolicy</b> = (1 << 0),
<b>DepNowMin</b> = (1 << 1),
<b>DepInstPolicy</b> = (1 << 2),
<b>DepInstMin</b> = (1 << 3),
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  <b>DepCandPolicy</b> = (1 << 4),
<b>DepCandMin</b> = (1 << 5)
<br />
}</td></tr>
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<tr class="memitem:a41058517d1970a6d41e034b051462ff9"><td class="memItemLeft" align="right" valign="top"><a id="a41058517d1970a6d41e034b051462ff9"></a>enum  </td><td class="memItemRight" valign="bottom"><b>InternalFlags</b> { <b>AutoKept</b> = (1 << 0),
<b>Purge</b> = (1 << 1),
<b>ReInstall</b> = (1 << 2),
<b>Protected</b> = (1 << 3)
}</td></tr>
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<tr class="memitem:a7f6182cb77f470b4361a8e3200c160b6"><td class="memItemLeft" align="right" valign="top"><a id="a7f6182cb77f470b4361a8e3200c160b6"></a>enum  </td><td class="memItemRight" valign="bottom"><b>VersionTypes</b> { <b>NowVersion</b>,
<b>InstallVersion</b>,
<b>CandidateVersion</b>
}</td></tr>
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<tr class="memitem:afff756af58613cfc57beb46b34bb282c"><td class="memItemLeft" align="right" valign="top"><a id="afff756af58613cfc57beb46b34bb282c"></a>enum  </td><td class="memItemRight" valign="bottom"><b>ModeList</b> { <b>ModeDelete</b> = 0,
<b>ModeKeep</b> = 1,
<b>ModeInstall</b> = 2,
<b>ModeGarbage</b> = 3
}</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>BuildGroupOrs</b> (<a class="el" href="classpkgCache_1_1VerIterator.xhtml">VerIterator</a> const &V)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>UpdateVerState</b> (<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> const &Pkg)</td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>operator pkgCache &</b> ()</td></tr>
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<a class="el" href="structpkgCache_1_1Header.xhtml">Header</a> & </td><td class="memItemRight" valign="bottom"><b>Head</b> ()</td></tr>
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<a class="el" href="classpkgCache_1_1GrpIterator.xhtml">GrpIterator</a> </td><td class="memItemRight" valign="bottom"><b>GrpBegin</b> ()</td></tr>
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<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> </td><td class="memItemRight" valign="bottom"><b>PkgBegin</b> ()</td></tr>
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<a class="el" href="classpkgCache_1_1GrpIterator.xhtml">GrpIterator</a> </td><td class="memItemRight" valign="bottom"><b>FindGrp</b> (std::string const &Name)</td></tr>
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<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> </td><td class="memItemRight" valign="bottom"><b>FindPkg</b> (std::string const &Name)</td></tr>
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<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> </td><td class="memItemRight" valign="bottom"><b>FindPkg</b> (std::string const &Name, std::string const &Arch)</td></tr>
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<a class="el" href="classpkgCache.xhtml">pkgCache</a> & </td><td class="memItemRight" valign="bottom"><b>GetCache</b> ()</td></tr>
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<a class="el" href="classpkgVersioningSystem.xhtml">pkgVersioningSystem</a> & </td><td class="memItemRight" valign="bottom"><b>VS</b> ()</td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>APT_DEPRECATED_MSG</b> ("Confusingly named method which returns the candidate as chosen by policy (NOT as chosen via .SetCandidateVersion!). You probably want to use .<a class="el" href="classpkgDepCache.xhtml#a6295cc8647b4a3ca95ac71cb7d11cf5e">GetCandidateVersion</a> instead.") inline <a class="el" href="classpkgCache_1_1VerIterator.xhtml">VerIterator</a> GetCandidateVer(<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> const &Pkg)</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>IsImportantDep</b> (<a class="el" href="classpkgCache_1_1DepIterator.xhtml">DepIterator</a> <a class="el" href="structpkgCache_1_1Dep.xhtml">Dep</a>) const</td></tr>
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<a class="el" href="classpkgDepCache_1_1Policy.xhtml">Policy</a> & </td><td class="memItemRight" valign="bottom"><b>GetPolicy</b> ()</td></tr>
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<a class="el" href="structpkgDepCache_1_1StateCache.xhtml">StateCache</a> & </td><td class="memItemRight" valign="bottom"><b>operator []</b> (<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> const &I)</td></tr>
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<a class="el" href="structpkgDepCache_1_1StateCache.xhtml">StateCache</a> & </td><td class="memItemRight" valign="bottom"><b>operator []</b> (<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> const &I) const</td></tr>
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unsigned char & </td><td class="memItemRight" valign="bottom"><b>operator []</b> (<a class="el" href="classpkgCache_1_1DepIterator.xhtml">DepIterator</a> const &I)</td></tr>
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<tr class="memitem:a1ab9378572dc74fc8088fd690d494570"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classpkgDepCache_1_1InRootSetFunc.xhtml">InRootSetFunc</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classpkgDepCache.xhtml#a1ab9378572dc74fc8088fd690d494570">GetRootSetFunc</a> ()</td></tr>
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<tr class="memitem:af3287419f765a35b0f1f25e449167718"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classpkgDepCache.xhtml#af3287419f765a35b0f1f25e449167718">MarkFollowsRecommends</a> ()</td></tr>
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<tr class="memitem:a9890f74f3e35a54ac7d4f3b5ab00aeb2"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classpkgDepCache.xhtml#a9890f74f3e35a54ac7d4f3b5ab00aeb2">MarkFollowsSuggests</a> ()</td></tr>
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<tr class="memitem:ac23028ed7e8f73b492717b077b3b52e8"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classpkgDepCache.xhtml#ac23028ed7e8f73b492717b077b3b52e8">MarkAndSweep</a> (<a class="el" href="classpkgDepCache_1_1InRootSetFunc.xhtml">InRootSetFunc</a> &rootFunc)</td></tr>
<tr class="memdesc:ac23028ed7e8f73b492717b077b3b52e8"><td class="mdescLeft"> </td><td class="mdescRight">Update the Marked and Garbage fields of all packages. <a href="#ac23028ed7e8f73b492717b077b3b52e8">More...</a><br /></td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>MarkAndSweep</b> ()</td></tr>
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<tr class="memitem:a5fdeb68216c5ff24d05181afa44e9e4b"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classpkgDepCache.xhtml#a5fdeb68216c5ff24d05181afa44e9e4b">IsInstallOk</a> (const <a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> &Pkg, bool AutoInst=true, unsigned long Depth=0, bool FromUser=true)</td></tr>
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<tr class="memitem:a9889a8e869ac184b4366c8bfb1846225"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classpkgDepCache.xhtml#a9889a8e869ac184b4366c8bfb1846225">IsDeleteOk</a> (const <a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> &Pkg, bool MarkPurge=false, unsigned long Depth=0, bool FromUser=true)</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>readStateFile</b> (<a class="el" href="classOpProgress.xhtml">OpProgress</a> *const prog)</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>writeStateFile</b> (<a class="el" href="classOpProgress.xhtml">OpProgress</a> *const prog, bool const InstalledOnly=true)</td></tr>
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signed long long </td><td class="memItemRight" valign="bottom"><b>UsrSize</b> ()</td></tr>
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unsigned long long </td><td class="memItemRight" valign="bottom"><b>DebSize</b> ()</td></tr>
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unsigned long </td><td class="memItemRight" valign="bottom"><b>DelCount</b> ()</td></tr>
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unsigned long </td><td class="memItemRight" valign="bottom"><b>KeepCount</b> ()</td></tr>
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unsigned long </td><td class="memItemRight" valign="bottom"><b>InstCount</b> ()</td></tr>
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unsigned long </td><td class="memItemRight" valign="bottom"><b>BrokenCount</b> ()</td></tr>
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unsigned long </td><td class="memItemRight" valign="bottom"><b>PolicyBrokenCount</b> ()</td></tr>
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unsigned long </td><td class="memItemRight" valign="bottom"><b>BadCount</b> ()</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>Init</b> (<a class="el" href="classOpProgress.xhtml">OpProgress</a> *const Prog)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>Update</b> (<a class="el" href="classOpProgress.xhtml">OpProgress</a> *const Prog=0)</td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>pkgDepCache</b> (<a class="el" href="classpkgCache.xhtml">pkgCache</a> *const Cache, <a class="el" href="classpkgDepCache_1_1Policy.xhtml">Policy</a> *const Plcy=0)</td></tr>
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<tr><td colspan="2"><div class="groupHeader">State Manipulators</div></td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>MarkKeep</b> (<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> const &Pkg, bool Soft=false, bool FromUser=true, unsigned long Depth=0)</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>MarkDelete</b> (<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> const &Pkg, bool MarkPurge=false, unsigned long Depth=0, bool FromUser=true)</td></tr>
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<tr class="memitem:aab6b1c53f7766ad618b80ebee701b60d"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classpkgDepCache.xhtml#aab6b1c53f7766ad618b80ebee701b60d">MarkInstall</a> (<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> const &Pkg, bool AutoInst=true, unsigned long Depth=0, bool FromUser=true, bool ForceImportantDeps=false)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>MarkProtected</b> (<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> const &Pkg)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>SetReInstall</b> (<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> const &Pkg, bool To)</td></tr>
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<tr class="memitem:a6295cc8647b4a3ca95ac71cb7d11cf5e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classpkgCache_1_1VerIterator.xhtml">pkgCache::VerIterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classpkgDepCache.xhtml#a6295cc8647b4a3ca95ac71cb7d11cf5e">GetCandidateVersion</a> (<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">pkgCache::PkgIterator</a> const &Pkg)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>SetCandidateVersion</b> (<a class="el" href="classpkgCache_1_1VerIterator.xhtml">VerIterator</a> TargetVer)</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>SetCandidateRelease</b> (<a class="el" href="classpkgCache_1_1VerIterator.xhtml">pkgCache::VerIterator</a> TargetVer, std::string const &TargetRel)</td></tr>
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<tr class="memitem:a878855a1fdfa710a75c1251d33b0a32d"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classpkgDepCache.xhtml#a878855a1fdfa710a75c1251d33b0a32d">SetCandidateRelease</a> (<a class="el" href="classpkgCache_1_1VerIterator.xhtml">pkgCache::VerIterator</a> TargetVer, std::string const &TargetRel, std::list< std::pair< <a class="el" href="classpkgCache_1_1VerIterator.xhtml">pkgCache::VerIterator</a>, <a class="el" href="classpkgCache_1_1VerIterator.xhtml">pkgCache::VerIterator</a> > > &Changed)</td></tr>
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<tr class="memitem:a88a05f968ff34a58f71a896ad15dea4d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classpkgDepCache.xhtml#a88a05f968ff34a58f71a896ad15dea4d">MarkAuto</a> (const <a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> &Pkg, bool Auto)</td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>CheckDep</b> (<a class="el" href="classpkgCache_1_1DepIterator.xhtml">DepIterator</a> const &<a class="el" href="structpkgCache_1_1Dep.xhtml">Dep</a>, int const Type, <a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> &Res)</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>CheckDep</b> (<a class="el" href="classpkgCache_1_1DepIterator.xhtml">DepIterator</a> const &<a class="el" href="structpkgCache_1_1Dep.xhtml">Dep</a>, int const Type)</td></tr>
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unsigned char </td><td class="memItemRight" valign="bottom"><b>DependencyState</b> (<a class="el" href="classpkgCache_1_1DepIterator.xhtml">DepIterator</a> const &D)</td></tr>
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unsigned char </td><td class="memItemRight" valign="bottom"><b>VersionState</b> (<a class="el" href="classpkgCache_1_1DepIterator.xhtml">DepIterator</a> D, unsigned char const Check, unsigned char const SetMin, unsigned char const SetPolicy) const</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>Update</b> (<a class="el" href="classpkgCache_1_1DepIterator.xhtml">DepIterator</a> <a class="el" href="structpkgCache_1_1Dep.xhtml">Dep</a>)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>Update</b> (<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> const &P)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>AddSizes</b> (const <a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> &Pkg, bool const Invert=false)</td></tr>
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<tr class="memitem:a2e6d82c083a82abcb6f636d90f3fbe98"><td class="memItemLeft" align="right" valign="top"><a id="a2e6d82c083a82abcb6f636d90f3fbe98"></a>
void </td><td class="memItemRight" valign="bottom"><b>RemoveSizes</b> (const <a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> &Pkg)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>AddStates</b> (const <a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> &Pkg, bool const Invert=false)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>RemoveStates</b> (const <a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> &Pkg)</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>IsInstallOkMultiArchSameVersionSynced</b> (<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> const &Pkg, bool const AutoInst, unsigned long const Depth, bool const FromUser)</td></tr>
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<tr class="memitem:a97b8293e74fff6f9a5ea2d816e0302e6"><td class="memItemLeft" align="right" valign="top"><a id="a97b8293e74fff6f9a5ea2d816e0302e6"></a>
bool </td><td class="memItemRight" valign="bottom"><b>IsInstallOkDependenciesSatisfiableByCandidates</b> (<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> const &Pkg, bool const AutoInst, unsigned long const Depth, bool const FromUser)</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>IsDeleteOkProtectInstallRequests</b> (<a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> const &Pkg, bool const rPurge, unsigned long const Depth, bool const FromUser)</td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr class="memitem:a200f99ff6c297b73a2e9302d95ca7a87"><td class="memItemLeft" align="right" valign="top"><a id="a200f99ff6c297b73a2e9302d95ca7a87"></a>
<a class="el" href="classpkgCache.xhtml">pkgCache</a> * </td><td class="memItemRight" valign="bottom"><b>Cache</b></td></tr>
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<tr class="memitem:ae98129877cbf5e3d35c8ab71c8c08b64"><td class="memItemLeft" align="right" valign="top"><a id="ae98129877cbf5e3d35c8ab71c8c08b64"></a>
<a class="el" href="structpkgDepCache_1_1StateCache.xhtml">StateCache</a> * </td><td class="memItemRight" valign="bottom"><b>PkgState</b></td></tr>
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unsigned char * </td><td class="memItemRight" valign="bottom"><b>DepState</b></td></tr>
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<tr class="memitem:ab49a20f20f37cf4879e2ee750220e285"><td class="memItemLeft" align="right" valign="top">signed long long </td><td class="memItemRight" valign="bottom"><a class="el" href="classpkgDepCache.xhtml#ab49a20f20f37cf4879e2ee750220e285">iUsrSize</a></td></tr>
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<tr class="memitem:a3d3b83546b872ad372361b470d463f45"><td class="memItemLeft" align="right" valign="top">unsigned long long </td><td class="memItemRight" valign="bottom"><a class="el" href="classpkgDepCache.xhtml#a3d3b83546b872ad372361b470d463f45">iDownloadSize</a></td></tr>
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unsigned long </td><td class="memItemRight" valign="bottom"><b>iInstCount</b></td></tr>
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unsigned long </td><td class="memItemRight" valign="bottom"><b>iDelCount</b></td></tr>
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unsigned long </td><td class="memItemRight" valign="bottom"><b>iKeepCount</b></td></tr>
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unsigned long </td><td class="memItemRight" valign="bottom"><b>iBrokenCount</b></td></tr>
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unsigned long </td><td class="memItemRight" valign="bottom"><b>iPolicyBrokenCount</b></td></tr>
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unsigned long </td><td class="memItemRight" valign="bottom"><b>iBadCount</b></td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>DebugMarker</b></td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>DebugAutoInstall</b></td></tr>
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<a class="el" href="classpkgDepCache_1_1Policy.xhtml">Policy</a> * </td><td class="memItemRight" valign="bottom"><b>delLocalPolicy</b></td></tr>
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<a class="el" href="classpkgDepCache_1_1Policy.xhtml">Policy</a> * </td><td class="memItemRight" valign="bottom"><b>LocalPolicy</b></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
Friends</h2></td></tr>
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class </td><td class="memItemRight" valign="bottom"><b>ActionGroup</b></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pro_types_classpkgCache_1_1Namespace"><td colspan="2" onclick="javascript:toggleInherit('pro_types_classpkgCache_1_1Namespace')"><img src="closed.png" alt="-"/> Protected Types inherited from <a class="el" href="classpkgCache_1_1Namespace.xhtml">pkgCache::Namespace</a></td></tr>
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typedef <a class="el" href="classpkgCache_1_1GrpIterator.xhtml">pkgCache::GrpIterator</a> </td><td class="memItemRight" valign="bottom"><b>GrpIterator</b></td></tr>
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typedef <a class="el" href="classpkgCache_1_1PkgIterator.xhtml">pkgCache::PkgIterator</a> </td><td class="memItemRight" valign="bottom"><b>PkgIterator</b></td></tr>
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typedef <a class="el" href="classpkgCache_1_1VerIterator.xhtml">pkgCache::VerIterator</a> </td><td class="memItemRight" valign="bottom"><b>VerIterator</b></td></tr>
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typedef <a class="el" href="classpkgCache_1_1DescIterator.xhtml">pkgCache::DescIterator</a> </td><td class="memItemRight" valign="bottom"><b>DescIterator</b></td></tr>
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typedef <a class="el" href="classpkgCache_1_1DepIterator.xhtml">pkgCache::DepIterator</a> </td><td class="memItemRight" valign="bottom"><b>DepIterator</b></td></tr>
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typedef <a class="el" href="classpkgCache_1_1PrvIterator.xhtml">pkgCache::PrvIterator</a> </td><td class="memItemRight" valign="bottom"><b>PrvIterator</b></td></tr>
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typedef <a class="el" href="classpkgCache_1_1RlsFileIterator.xhtml">pkgCache::RlsFileIterator</a> </td><td class="memItemRight" valign="bottom"><b>RlsFileIterator</b></td></tr>
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typedef <a class="el" href="classpkgCache_1_1PkgFileIterator.xhtml">pkgCache::PkgFileIterator</a> </td><td class="memItemRight" valign="bottom"><b>PkgFileIterator</b></td></tr>
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typedef <a class="el" href="classpkgCache_1_1VerFileIterator.xhtml">pkgCache::VerFileIterator</a> </td><td class="memItemRight" valign="bottom"><b>VerFileIterator</b></td></tr>
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typedef <a class="el" href="structpkgCache_1_1Version.xhtml">pkgCache::Version</a> </td><td class="memItemRight" valign="bottom"><b>Version</b></td></tr>
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typedef <a class="el" href="structpkgCache_1_1Description.xhtml">pkgCache::Description</a> </td><td class="memItemRight" valign="bottom"><b>Description</b></td></tr>
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typedef <a class="el" href="structpkgCache_1_1Package.xhtml">pkgCache::Package</a> </td><td class="memItemRight" valign="bottom"><b>Package</b></td></tr>
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typedef <a class="el" href="structpkgCache_1_1Header.xhtml">pkgCache::Header</a> </td><td class="memItemRight" valign="bottom"><b>Header</b></td></tr>
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typedef <a class="el" href="structpkgCache_1_1Dep.xhtml">pkgCache::Dep</a> </td><td class="memItemRight" valign="bottom"><b>Dep</b></td></tr>
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typedef <a class="el" href="structpkgCache_1_1Flag.xhtml">pkgCache::Flag</a> </td><td class="memItemRight" valign="bottom"><b>Flag</b></td></tr>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a6295cc8647b4a3ca95ac71cb7d11cf5e">◆ </a></span>GetCandidateVersion()</h2>
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<td class="memname"><a class="el" href="classpkgCache_1_1VerIterator.xhtml">pkgCache::VerIterator</a> GetCandidateVersion </td>
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<td class="paramtype"><a class="el" href="classpkgCache_1_1PkgIterator.xhtml">pkgCache::PkgIterator</a> const & </td>
<td class="paramname"><em>Pkg</em></td><td>)</td>
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<dl class="section return"><dt>Returns</dt><dd>'the' candidate version of a package</dd></dl>
<p>The version returned is the version previously set explicitly via SetCandidate* methods like #SetCandidateVersion or if there wasn't one set the version as chosen via #Policy.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">Pkg</td><td>is the package to return the candidate for </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a1ab9378572dc74fc8088fd690d494570">◆ </a></span>GetRootSetFunc()</h2>
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<td class="memname"><a class="el" href="classpkgDepCache_1_1InRootSetFunc.xhtml">pkgDepCache::InRootSetFunc</a> * GetRootSetFunc </td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<dl class="section return"><dt>Returns</dt><dd>A function identifying packages in the root set other than manually installed packages and essential packages, or <b>NULL</b> if an error occurs.</dd></dl>
<dl class="todo"><dt><b><a class="el" href="todo.xhtml#_todo000049">Todo:</a></b></dt><dd>Is this the best place for this function? Perhaps the settings for mark-and-sweep should be stored in a single external class? </dd></dl>
<p class="reference">References <a class="el" href="classConfiguration_1_1MatchAgainstConfig.xhtml#a57e69cf53e03833fe7c1937301f7d848">Configuration::MatchAgainstConfig::wasConstructedSuccessfully()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9889a8e869ac184b4366c8bfb1846225">◆ </a></span>IsDeleteOk()</h2>
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<td class="memname">bool IsDeleteOk </td>
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<td class="paramtype">const <a class="el" href="classpkgCache_1_1PkgIterator.xhtml">PkgIterator</a> & </td>
<td class="paramname"><em>Pkg</em>, </td>
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<td class="paramtype">bool </td>
<td class="paramname"><em>MarkPurge</em> = <code>false</code>, </td>
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<td class="paramtype">unsigned long </td>
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<td class="paramtype">bool </td>
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<dl class="section return"><dt>Returns</dt><dd><b>true</b> if it's OK for MarkDelete to remove the given package.</dd></dl>
<p>The default implementation simply calls all IsDeleteOk* method mentioned below, see also <a class="el" href="classpkgDepCache.xhtml#a5fdeb68216c5ff24d05181afa44e9e4b">IsInstallOk</a>.</p>
<p>The parameters are the same as in the calling MarkDelete: </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">Pkg</td><td>the package that MarkDelete wants to remove. </td></tr>
<tr><td class="paramname">MarkPurge</td><td>should we purge instead of "only" remove? </td></tr>
<tr><td class="paramname">Depth</td><td>recursive deep of this Marker call </td></tr>
<tr><td class="paramname">FromUser</td><td>was the remove requested by the user? </td></tr>
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</dd>
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<h2 class="memtitle"><span class="permalink"><a href="#a5fdeb68216c5ff24d05181afa44e9e4b">◆ </a></span>IsInstallOk()</h2>
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<td class="memname">bool IsInstallOk </td>
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<td class="paramname"><em>Pkg</em>, </td>
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<td class="paramtype">bool </td>
<td class="paramname"><em>AutoInst</em> = <code>true</code>, </td>
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<td class="paramtype">unsigned long </td>
<td class="paramname"><em>Depth</em> = <code>0</code>, </td>
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<td class="paramtype">bool </td>
<td class="paramname"><em>FromUser</em> = <code>true</code> </td>
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<dl class="section return"><dt>Returns</dt><dd><b>true</b> if it's OK for MarkInstall to install the given package.</dd></dl>
<p>The default implementation simply calls all IsInstallOk* method mentioned below.</p>
<p>Overriding implementations should use the hold-state-flag to cache results from previous checks of this package - if possible.</p>
<p>The parameters are the same as in the calling MarkInstall: </p><dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">Pkg</td><td>the package that MarkInstall wants to install. </td></tr>
<tr><td class="paramname">AutoInst</td><td>install this and all its dependencies </td></tr>
<tr><td class="paramname">Depth</td><td>recursive deep of this Marker call </td></tr>
<tr><td class="paramname">FromUser</td><td>was the install requested by the user? </td></tr>
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<p class="reference">Referenced by <a class="el" href="classpkgDepCache.xhtml#aab6b1c53f7766ad618b80ebee701b60d">MarkInstall()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac23028ed7e8f73b492717b077b3b52e8">◆ </a></span>MarkAndSweep()</h2>
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<td class="memname">bool MarkAndSweep </td>
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<td class="paramtype"><a class="el" href="classpkgDepCache_1_1InRootSetFunc.xhtml">InRootSetFunc</a> & </td>
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<p>Update the Marked and Garbage fields of all packages. </p>
<p>This routine is implicitly invoked after all state manipulators and when an <a class="el" href="classpkgDepCache_1_1ActionGroup.xhtml" title="Represents an active action group.">ActionGroup</a> is destroyed. It invokes the private MarkRequired() and Sweep() to do its dirty work.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">rootFunc</td><td>A predicate that returns <b>true</b> for packages that should be added to the root set. </td></tr>
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<p class="reference">References <a class="el" href="classpkgDepCache.xhtml#ac23028ed7e8f73b492717b077b3b52e8">MarkAndSweep()</a>.</p>
<p class="reference">Referenced by <a class="el" href="classpkgDepCache.xhtml#ac23028ed7e8f73b492717b077b3b52e8">MarkAndSweep()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a88a05f968ff34a58f71a896ad15dea4d">◆ </a></span>MarkAuto()</h2>
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<td class="memname">void MarkAuto </td>
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<p>Set the "is automatically installed" flag of Pkg. </p>
<p class="reference">Referenced by <a class="el" href="classpkgDepCache.xhtml#aab6b1c53f7766ad618b80ebee701b60d">MarkInstall()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#af3287419f765a35b0f1f25e449167718">◆ </a></span>MarkFollowsRecommends()</h2>
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<dl class="section return"><dt>Returns</dt><dd><b>true</b> if the garbage collector should follow recommendations. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a9890f74f3e35a54ac7d4f3b5ab00aeb2">◆ </a></span>MarkFollowsSuggests()</h2>
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<dl class="section return"><dt>Returns</dt><dd><b>true</b> if the garbage collector should follow suggestions. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#aab6b1c53f7766ad618b80ebee701b60d">◆ </a></span>MarkInstall()</h2>
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<td class="memname">bool MarkInstall </td>
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<td class="paramtype">unsigned long </td>
<td class="paramname"><em>Depth</em> = <code>0</code>, </td>
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<dl class="todo"><dt><b><a class="el" href="todo.xhtml#_todo000047">Todo:</a></b></dt><dd>Should we handle or-group better here? </dd></dl>
<p class="reference">References <a class="el" href="classAPT_1_1CacheSetHelper.xhtml#a4d5481accfe98b7d8dc252e2ff9ec9bca1b65362fc036345be26c100f9bd9df8b">CacheSetHelper::CANDIDATE</a>, <a class="el" href="classpkgDepCache.xhtml#a5fdeb68216c5ff24d05181afa44e9e4b">IsInstallOk()</a>, <a class="el" href="classpkgDepCache.xhtml#a88a05f968ff34a58f71a896ad15dea4d">MarkAuto()</a>, <a class="el" href="structpkgDepCache_1_1StateCache.xhtml#a72d73f7024c40960ff644d3270bb482c">pkgDepCache::StateCache::Marked</a>, and <a class="el" href="structpkgCache_1_1Dep.xhtml#aa3b0f58e581c41bc31d4b96cc4281ad6a5d66935f41f1e80990e8bf3349074fe1">pkgCache::Dep::Or</a>.</p>
<p class="reference">Referenced by <a class="el" href="classpkgProblemResolver.xhtml#a4e1bfb762b1ddbf737d74663852aeafa">pkgProblemResolver::ResolveInternal()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a878855a1fdfa710a75c1251d33b0a32d">◆ </a></span>SetCandidateRelease()</h2>
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<td class="memname">bool SetCandidateRelease </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classpkgCache_1_1VerIterator.xhtml">pkgCache::VerIterator</a> </td>
<td class="paramname"><em>TargetVer</em>, </td>
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<td class="paramtype">std::string const & </td>
<td class="paramname"><em>TargetRel</em>, </td>
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<td class="paramtype">std::list< std::pair< <a class="el" href="classpkgCache_1_1VerIterator.xhtml">pkgCache::VerIterator</a>, <a class="el" href="classpkgCache_1_1VerIterator.xhtml">pkgCache::VerIterator</a> > > & </td>
<td class="paramname"><em>Changed</em> </td>
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<p>Set the candidate version for dependencies too if needed.</p>
<p>Sets not only the candidate version as SetCandidateVersion does, but walks also down the dependency tree and checks if it is required to set the candidate of the dependency to a version from the given release, too.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir"></td><td class="paramname">TargetVer</td><td>new candidate version of the package </td></tr>
<tr><td class="paramdir"></td><td class="paramname">TargetRel</td><td>try to switch to this release if needed </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">Changed</td><td>a list of pairs consisting of the <b>old</b> version of the changed package and the version which required the switch of this dependency </td></tr>
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<dl class="section return"><dt>Returns</dt><dd><b>true</b> if the switch was successful, <b>false</b> otherwise </dd></dl>
<p class="reference">References <a class="el" href="structpkgCache_1_1Dep.xhtml#aa3b0f58e581c41bc31d4b96cc4281ad6a5d66935f41f1e80990e8bf3349074fe1">pkgCache::Dep::Or</a>.</p>
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<h2 class="groupheader">Member Data Documentation</h2>
<a id="a3d3b83546b872ad372361b470d463f45"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3d3b83546b872ad372361b470d463f45">◆ </a></span>iDownloadSize</h2>
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<td class="memname">unsigned long long iDownloadSize</td>
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<p>Stores how much we need to download to get the packages </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ab49a20f20f37cf4879e2ee750220e285">◆ </a></span>iUsrSize</h2>
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<td class="memname">signed long long iUsrSize</td>
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<p>Stores the space changes after installation </p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>apt-pkg/<a class="el" href="depcache_8h_source.xhtml">depcache.h</a></li>
<li>apt-pkg/depcache.cc</li>
</ul>
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