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SubdomainNodIter.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 08:23:19 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/domain/subdomain/SubdomainNodIter.cpp,v $
00024                                                                         
00025                                                                         
00026 // File: ~/OOP/domain/subdomain/SubdomainNodIter.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 // SubdomainNodIter. SubdomainNodIter is a 
00034 // class for iterating through the Nodes of a ParitionedDomain
00035 // domain. 
00036 //
00037 // What: "@(#) SubdomainNodIter.C, revA"
00038 
00039 #include <SubdomainNodIter.h>
00040 
00041 #include <Subdomain.h>
00042 #include <Node.h>
00043 #include <ArrayOfTaggedObjectsIter.h>
00044 #include <ArrayOfTaggedObjects.h>
00045 
00046 
00047 // SubdomainNodIter(SingleDomain &theDomain):
00048 //      constructor that takes the model, just the basic iter
00049 
00050 SubdomainNodIter::SubdomainNodIter(Subdomain &theSub)
00051   :currentIter(0), theSubdomain(&theSub), external(true)
00052 {
00053 }
00054 
00055 
00056 SubdomainNodIter::~SubdomainNodIter()
00057 {
00058 }    
00059 
00060 void
00061 SubdomainNodIter::reset(void)
00062 {
00063     currentIter = &(theSubdomain->getExternalNodeIter());
00064     external = true;
00065 }
00066 
00067 Node *
00068 SubdomainNodIter::operator()(void)
00069 {
00070     Node *theNod;
00071     
00072     theNod = (*currentIter)();
00073     if (theNod != 0)
00074         return theNod;
00075     else  
00076         if (external == true) {
00077             currentIter = &(theSubdomain->getInternalNodeIter()); 
00078             external = false;
00079             return (*currentIter)();
00080         }     
00081         else 
00082             return 0;
00083 }       
00084 
00085 
00086     
00087     
00088 
00089 
00090

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