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- #ifndef COLLECTION_H
- #define COLLECTION_H
-
- /*$Header: /afs/alw.nih.gov/unix/sun4_40c/usr/local/src/nihcl-3.0/share/lib/RCS/Collection.h,v 3.0 90/05/20 00:19:21 kgorlen Rel $*/
-
- /* Collection.h -- declarations for abstract Collection class
-
- THIS SOFTWARE FITS THE DESCRIPTION IN THE U.S. COPYRIGHT ACT OF A
- "UNITED STATES GOVERNMENT WORK". IT WAS WRITTEN AS A PART OF THE
- AUTHOR'S OFFICIAL DUTIES AS A GOVERNMENT EMPLOYEE. THIS MEANS IT
- CANNOT BE COPYRIGHTED. THIS SOFTWARE IS FREELY AVAILABLE TO THE
- PUBLIC FOR USE WITHOUT A COPYRIGHT NOTICE, AND THERE ARE NO
- RESTRICTIONS ON ITS USE, NOW OR SUBSEQUENTLY.
-
- Author:
- K. E. Gorlen
- Computer Systems Laboratory, DCRT
- National Institutes of Health
- Bethesda, MD 20892
-
- $Log: Collection.h,v $
- * Revision 3.0 90/05/20 00:19:21 kgorlen
- * Release for 1st edition.
- *
- */
-
- #include "Object.h"
-
- class ArrayOb;
- class Bag;
- class Heap;
- class Iterator;
- class OrderedCltn;
- class Set;
- class SortedCltn;
-
- class Collection: public VIRTUAL Object { // abstract class
- DECLARE_MEMBERS(Collection);
- public:
- static const unsigned DEFAULT_CAPACITY; // default initial collection capacity
- static const unsigned EXPANSION_INCREMENT; // collection (OrderedCltn) expansion increment
- static const unsigned EXPANSION_FACTOR; // collection (Set,Bag,Dictionary) expansion factor
- protected:
- Collection();
- protected: // _storer() functions for object I/O
- void _storer(OIOofd&) const; // store collection using Iterator
- void _storer(OIOout&) const; // store collection using Iterator
- public:
- ArrayOb asArrayOb() const;
- Bag asBag() const;
- Heap asHeap() const;
- OrderedCltn asOrderedCltn() const;
- Set asSet() const;
- SortedCltn asSortedCltn() const;
- virtual ~Collection(); // Collection destructors are virtual
- virtual Object* add(Object&) = 0;
- virtual const Collection& addAll(const Collection&);
- virtual Collection& addContentsTo(Collection&) const;
- virtual Object*& at(int) = 0;
- virtual const Object *const& at(int) const = 0;
- virtual int compare(const Object&) const = 0;
- virtual void deepenShallowCopy(); // {}
- virtual void doFinish(Iterator& pos) const;
- virtual Object* doNext(Iterator&) const = 0;
- virtual void doReset(Iterator& pos) const;
- virtual void dumpOn(ostream& strm =cerr) const;
- virtual unsigned hash() const = 0;
- virtual bool includes(const Object&) const;
- virtual bool isEmpty() const;
- virtual bool isEqual(const Object&) const = 0;
- virtual unsigned occurrencesOf(const Object&) const = 0;
- virtual void printOn(ostream& strm =cout) const;
- virtual Object* remove(const Object&) = 0;
- virtual void removeAll() = 0;
- virtual const Collection& removeAll(const Collection&);
- virtual unsigned size() const = 0;
- };
-
- #include "Iterator.h"
-
- #endif
-