Action.cxx
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上传日期:2013-07-25
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- /* ====================================================================
- * The Vovida Software License, Version 1.0
- *
- * Copyright (c) 2000 Vovida Networks, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The names "VOCAL", "Vovida Open Communication Application Library",
- * and "Vovida Open Communication Application Library (VOCAL)" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact vocal@vovida.org.
- *
- * 4. Products derived from this software may not be called "VOCAL", nor
- * may "VOCAL" appear in their name, without prior written
- * permission of Vovida Networks, Inc.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
- * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL VOVIDA
- * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
- * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * ====================================================================
- *
- * This software consists of voluntary contributions made by Vovida
- * Networks, Inc. and many individuals on behalf of Vovida Networks,
- * Inc. For more information on Vovida Networks, Inc., please see
- * <http://www.vovida.org/>.
- *
- */
- static const char* const Action_cxx_Version =
- "$Id: Action.cxx,v 1.2 2001/06/29 05:36:28 bko Exp $";
- #include "Action.hxx"
- using namespace Vocal;
- using Behavioral::Action;
- using Behavioral::Stimulus;
- Action::Action()
- : nextAction_(0)
- {
- }
- Action::~Action()
- {
- }
- ReturnCode
- Action::action() throw ()
- {
- if ( onAction() == SUCCESS )
- {
- if ( nextAction_ != 0 )
- {
- return( nextAction_->action() );
- }
- }
- return ( !SUCCESS );
- }
- ReturnCode
- Action::action(const Stimulus & stim) throw ()
- {
- ReturnCode rc = onAction(&stim);
- if ( rc == SUCCESS )
- {
- if ( nextAction_ != 0 )
- {
- return( nextAction_->action(stim) );
- }
- }
- return ( rc );
- }
- void
- Action::chain(Action & action)
- {
- nextAction_ = &action;
- }
- ostream &
- Action::writeTo(ostream & out) const
- {
- for ( const Action * action = this; action != 0; action = action->nextAction_ )
- {
- if ( action != this )
- {
- out << "->";
- }
- out << action->name();
- }
-
- return ( out );
- }
- const char *
- Action::name() const
- {
- return ( "NoAction" );
- }
- ReturnCode
- Action::onAction(const Stimulus *) throw()
- {
- return ( SUCCESS );
- }