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VertexIter.cpp

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00001 /* ****************************************************************** **
00002 **    OpenSees - Open System for Earthquake Engineering Simulation    **
00003 **          Pacific Earthquake Engineering Research Center            **
00004 **                                                                    **
00005 **                                                                    **
00006 ** (C) Copyright 1999, The Regents of the University of California    **
00007 ** All Rights Reserved.                                               **
00008 **                                                                    **
00009 ** Commercial use of this program without express permission of the   **
00010 ** University of California, Berkeley, is strictly prohibited.  See   **
00011 ** file 'COPYRIGHT'  in main directory for information on usage and   **
00012 ** redistribution,  and for a DISCLAIMER OF ALL WARRANTIES.           **
00013 **                                                                    **
00014 ** Developed by:                                                      **
00015 **   Frank McKenna (fmckenna@ce.berkeley.edu)                         **
00016 **   Gregory L. Fenves (fenves@ce.berkeley.edu)                       **
00017 **   Filip C. Filippou (filippou@ce.berkeley.edu)                     **
00018 **                                                                    **
00019 ** ****************************************************************** */
00020                                                                         
00021 // $Revision: 1.1.1.1 $
00022 // $Date: 2000/09/15 08:23:21 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/graph/graph/VertexIter.cpp,v $
00024                                                                         
00025                                                                         
00026 // File: ~/OOP/graph/graph/VertexIter.C
00027 //
00028 // Written: fmk 
00029 // Created: Fri Sep 20 15:27:47: 1996
00030 // Revision: A
00031 //
00032 // Description: This file contains the method definitions for class 
00033 // VertexIter. VertexIter is a class for iterating through the 
00034 // vertices of a graph.
00035 
00036 #include "VertexIter.h"
00037 #include <Graph.h>
00038 #include <Vertex.h>
00039 #include <TaggedObjectIter.h>
00040 #include <TaggedObjectStorage.h>
00041 
00042 
00043 // VertexIter():
00044 //      constructor that takes the model, just the basic iter
00045 VertexIter::VertexIter(TaggedObjectStorage *theStorage)
00046   :myIter(theStorage->getComponents())
00047 {
00048 }
00049 
00050 
00051 VertexIter::~VertexIter()
00052 {
00053 }    
00054 
00055 void
00056 VertexIter::reset(void)
00057 {
00058     myIter.reset();
00059 }
00060 
00061 Vertex *
00062 VertexIter::operator()(void)
00063 {
00064     // check if we still have elements in the model
00065     // if not return 0, indicating we are done
00066     TaggedObject *theComponent = myIter();
00067     if (theComponent == 0)
00068         return 0;
00069     else {
00070         Vertex *result = (Vertex *)theComponent;
00071         return result;
00072     }
00073 }
00074 
00075 
00076 
00077

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