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/*******************************************************************************
* Copyright (c) 2010 protos software gmbh (http://www.protos.de).
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* CONTRIBUTORS:
* Thomas Schuetz and Henrik Rentz-Reichert (initial contribution)
*
*******************************************************************************/
package org.eclipse.etrice.core.genmodel.etricegen;
import org.eclipse.etrice.core.room.CPBranchTransition;
import org.eclipse.etrice.core.room.ContinuationTransition;
import org.eclipse.etrice.core.room.State;
import org.eclipse.etrice.core.room.Transition;
/**
* This interface describes the transition chain visitor.
* The visitor is used by the code generator to generate the code associated with a transition chain.
* It is passed in a call to
* {@link org.eclipse.etrice.core.genmodel.etricegen.TransitionChain#genExecuteChain(ITransitionChainVisitor)
* TransitionChain.genExecuteChain(ITransitionChainVisitor)}.
*
* <p>
* The visitor has to be implemented by the concrete target language generator.
* </p>
*
* @author Henrik Rentz-Reichert
*
*/
public interface ITransitionChainVisitor {
/**
* @param tc the transition chain
* @return a typed declaration of the data associated with this message
*/
String genTypedData(TransitionChain tc);
/**
* @param tr a transition
* @return a call of the action operation (as generated by the generator)
*/
String genActionOperationCall(Transition tr);
/**
* @param state a state
* @return a call of the entry operation (as generated by the generator)
*/
String genEntryOperationCall(State state);
/**
* @param state a state
* @return a call of the exit operation (as generated by the generator)
*/
String genExitOperationCall(State state);
/**
* @param tr a choice point branch transition (not the default branch)
* @param isFirst <code>true</code> if this is the first of a series of if statements
* @return code for the [else] if statement with condition (guard) and block opening
*/
String genElseIfBranch(CPBranchTransition tr, boolean isFirst);
/**
* @param tr the choice point default branch transition
* @return code for the final else with block opening
*/
String genElseBranch(ContinuationTransition tr);
/**
* @return the final closing of the block
*/
String genEndIf();
/**
* @param state a state
* @param executeEntryCode <code>true</code> if entry code of state should be executed
* @return a return statement with the ID of the state
*/
String genReturnState(State state, boolean executeEntryCode);
}
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