/usr/include/classad/view.h is in libclassad-dev 8.4.11~dfsg.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* Copyright (C) 1990-2007, Condor Team, Computer Sciences Department,
* University of Wisconsin-Madison, WI.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you
* may not use this file except in compliance with the License. You may
* obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
***************************************************************/
#ifndef __CLASSAD_VIEW_H__
#define __CLASSAD_VIEW_H__
// STL includes
#include <string>
#include <set>
#include "classad/classad_stl.h"
#include "classad/exprTree.h"
#include "classad/matchClassad.h"
namespace classad {
// class declarations
class ExprTree;
class ClassAd;
class View;
class ClassAdCollection;
class ClassAdCollectionServer;
class ViewMember {
public:
ViewMember( );
ViewMember(const ViewMember &other);
~ViewMember( );
void SetKey( const std::string &key );
void SetRankValue( const Value &rankValue );
void GetKey( std::string &key ) const;
void GetRankValue( Value &rankValue ) const;
ViewMember operator=( const ViewMember& );
friend bool operator<(const ViewMember &vm1, const ViewMember &vm2);
private:
std::string key;
Value rank;
};
struct ViewMemberLT {
bool operator()( const ViewMember &vm1, const ViewMember &vm2 ) const;
};
typedef std::string ViewName;
typedef std::multiset<ViewMember, ViewMemberLT> ViewMembers;
typedef classad_slist<View*> SubordinateViews;
typedef classad_map<std::string,View*> PartitionedViews;
typedef classad_map<std::string,ViewMembers::iterator> MemberIndex;
/* View class */
class View {
public:
View( View *parent );
~View( );
// view control
bool SetViewName( const ViewName &viewName );
bool SetConstraintExpr( ClassAdCollection *coll,
const std::string &constraint );
bool SetConstraintExpr( ClassAdCollection *coll,
ExprTree *constraint );
bool SetRankExpr( ClassAdCollection *coll, const std::string &expr );
bool SetRankExpr( ClassAdCollection *coll, ExprTree *tree );
bool SetPartitionExprs( ClassAdCollection *coll,
const std::string &exprList );
bool SetPartitionExprs( ClassAdCollection *coll, ExprList *el );
bool SetViewInfo( ClassAdCollection *coll, ClassAd *viewInfo );
// view interrogation
inline ViewName GetViewName( ) const { return( viewName ); }
inline View *GetParent( ) const { return parent; }
inline int Size( ) const { return( viewMembers.size( ) ); }
ExprTree *GetConstraintExpr( );
ExprTree *GetRankExpr( );
ExprList *GetPartitionAttributes( );
ClassAd *GetViewInfo( );
bool IsMember( const std::string &key );
void GetSubordinateViewNames( std::vector<std::string>& );
void GetPartitionedViewNames( std::vector<std::string>& );
bool FindPartition( ClassAd *rep, ViewName &partition );
// child view manipulation
bool InsertSubordinateView( ClassAdCollection *coll, ClassAd *vInfo );
bool InsertPartitionedView( ClassAdCollection *coll, ClassAd *vInfo,
ClassAd *rep );
bool DeleteChildView( ClassAdCollection *coll,
const ViewName &viewName );
bool DeleteSubordinateView( ClassAdCollection *coll,
const ViewName &viewName );
bool DeletePartitionedView( ClassAdCollection *coll,
const ViewName &viewName );
bool DeletePartitionedView( ClassAdCollection *coll, ClassAd *rep );
// classad manipulation
bool ClassAdInserted ( ClassAdCollection *coll,
const std::string &key, ClassAd *ad );
void ClassAdPreModify( ClassAdCollection *coll, ClassAd *ad );
bool ClassAdModified ( ClassAdCollection *coll,
const std::string &key, ClassAd *ad );
void ClassAdDeleted ( ClassAdCollection *coll,
const std::string &key, ClassAd *ad );
// misc
bool Display( FILE * );
/** An iterator we can use on a View */
typedef ViewMembers::iterator iterator;
/** A constant iterator we can use on a View */
typedef ViewMembers::const_iterator const_iterator;
/** Returns an iterator pointing to the beginning of the
attribute/value pairs in the View */
iterator begin() { return viewMembers.begin(); }
/** Returns a constant iterator pointing to the beginning of the
attribute/value pairs in the View */
const_iterator begin() const { return viewMembers.begin(); }
/** Returns aniterator pointing past the end of the
attribute/value pairs in the View */
iterator end() { return viewMembers.end(); }
/** Returns a constant iterator pointing past the end of the
attribute/value pairs in the View */
const_iterator end() const { return viewMembers.end(); }
private:
friend class ClassAdCollection;
friend class ClassAdCollectionServer;
friend class LocalCollectionQuery;
// private helper function
std::string makePartitionSignature( ClassAd *ad );
void DeleteView( ClassAdCollection * );
ViewName viewName; // name of the view
View *parent; // pointer to parent view
ViewMembers viewMembers; // the classads in this view
MemberIndex memberIndex; // keys->ViewMember mapping
PartitionedViews partitionedViews; // views created by partitioning
SubordinateViews subordinateViews; // views explicitly added
std::string oldAdSignature; // old signature of ad to be changed
MatchClassAd evalEnviron; // also stores view info
};
}
#endif // __CLASSAD_VIEW_H__
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