ProcessingComposite.cxx

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/*
 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include "Assert.hxx"
#include "ProcessingComposite.hxx"

namespace CLAM {

        bool ProcessingComposite::ConcreteStart()
        {
                iterator obj;
                for (obj=composite_begin(); obj!=composite_end(); obj++)
                {
                        try {
                                (*obj)->Start();
                        }
                        catch (Err &e)
                        {
                                iterator obj2;
                                for (obj2 = composite_begin(); obj2 != obj; obj2++)
                                        (*obj2)->Stop();
                                throw e;
                        }
                        if (!(*obj)->IsRunning())
                        {
                                iterator obj2;
                                for (obj2 = composite_begin(); obj2 != obj; obj2++)
                                        (*obj2)->Stop();
                                throw(ErrProcessingObj("ConcreteStart(): Child failed to start",this));
                        }
                }
                return true;
        }

        bool ProcessingComposite::ConcreteStop()
        {
                iterator obj;
                for (obj=composite_begin(); obj!=composite_end(); obj++)
                        (*obj)->Stop();
                return true;
        }

        void ProcessingComposite::Remove(Processing& obj)
        {
                iterator it;
                for (it=composite_begin(); it!=composite_end(); it++)
                        if ( (*it) == &obj)
                                break;
                if (it == composite_end())
                        return; // Not found!
                mObjects.remove(&obj);
        }

        void ProcessingComposite::Insert(Processing& obj) throw(ErrProcessingObj)
        {
                iterator it;
                for (it=mObjects.begin(); it!=mObjects.end(); it++)
                        if((*it)==&obj) return;                         
                mObjects.push_back(&obj);
        }
}