LoadIter.cpp

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/load/LoadIter.cpp,v $
00024                                                                         
00025                                                                         
00026 // File: ~/model/LoadIter.C
00027 //
00028 // Written: fmk 11/95
00029 // Revised:
00030 //
00031 // Purpose: This file contains the method definitions for class LoadIter.
00032 // LoadIter is an abstract class.
00033 
00034 
00035 #include "LoadIter.h"
00036 
00037 // LoadIter(LoadCase &loadcase):
00038 //      constructor that takes the nodes associated with a load
00039 
00040 LoadIter::LoadIter(const LoadCase &loadcase)
00041   :myLoadCase(loadcase), currIndexLoads(0), currIndexLoadCases(0)
00042 {
00043 
00044 }
00045 
00046 
00047 Load *
00048 LoadIter::operator()(void)
00049 {
00052  // if we still have loads from myLoads to return
00053   if (currIndexLoads == myLoadCase.numLoads)
00054     return 0;
00055   else
00056     return myLoadCase.myLoads[currIndexLoads++];
00057 }
00058   
00059 
00060 
00061     
00062
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