The Simons     Component Library

           

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Collection.h

//
//  SCL : Simons Component Library
//
//
//  Filename:   Collection.h
//  Contents:   Collection class
//  Author:     Anthony J H Simons
//  Revised:    31 October 2005

// This software is distributed free in the hope that others will
// find it useful.  However, it comes WITHOUT ANY WARRANTY.  No
// liability can be accepted for software failure, merchantability
// or fitness for a particular purpose.  You can redistribute this
// software in its original form, or in a modified form, provided
// that this disclaimer is retained in the file banner.

#ifndef SCL_COLLECTION
#define SCL_COLLECTION

#include "Object.h"             // Include my superclass type
#include "CollectionID.h"       // Include my pointer type

#include "StringID.h"           // Depends on the pointer types
#include "OutOfRangeID.h"
#include "ReaderID.h"
#include "WriterID.h"

class Collection : public Object {
protected:
        Collection(const Collection&);
        Void rangeExceeded(StringID, Integer) const;
        Void hasNoElements(StringID) const;
        Void hasNoElements(StringID, OutOfRangeID) const;
public:
        Collection();
        virtual ~Collection();
        virtual Void readOn(ReaderID);
        virtual Void writeOn(WriterID) const;
        virtual Natural size() const;
        Boolean empty() const;
        virtual Boolean has(ObjectID) const;
        virtual ObjectID item(Integer) const;
        virtual Void add(ObjectID);
        virtual Void addAll(CollectionID);
};


inline CollectionID::CollectionID() {}

inline CollectionID::~CollectionID() {}

inline CollectionID::CollectionID(const Null* null) :
        ObjectID(null) {}
        
inline CollectionID::CollectionID(const Collection* collection) :
        ObjectID(collection) {}
        
inline CollectionID::CollectionID(const CollectionID& pointer) :
        ObjectID(pointer) {}
        
inline CollectionID& CollectionID::operator=(const Collection* collection) {
        assign(collection);
        return *this;
}

inline CollectionID& CollectionID::operator=(const CollectionID& pointer) {
        assign(pointer);
        return *this;
}


#endif

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