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/*******************************************************************************
* Copyright (c) 2012 Rohit Agrawal
* 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:
* Rohit Agrawal (initial contribution)
*
*******************************************************************************/
package org.eclipse.etrice.abstractexec.behavior;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import org.eclipse.core.runtime.Platform;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.etrice.abstractexec.behavior.util.AbstractExecutionUtil;
import org.eclipse.etrice.core.fsm.fSM.AbstractInterfaceItem;
import org.eclipse.etrice.core.fsm.fSM.FSMFactory;
import org.eclipse.etrice.core.fsm.fSM.MessageFromIf;
import org.eclipse.etrice.core.fsm.fSM.State;
import org.eclipse.etrice.core.genmodel.fsm.fsmgen.ActiveTrigger;
import org.eclipse.etrice.core.genmodel.fsm.fsmgen.ExpandedModelComponent;
import org.eclipse.etrice.core.fsm.fSM.SemanticsRule;
import org.eclipse.etrice.core.fsm.naming.FSMNameProvider;
public class ProposalGenerator {
private ExpandedModelComponent xpac;
private SemanticsCheck checker;
private List<MessageFromIf> outgoingProposal = new LinkedList<MessageFromIf>();
private List<MessageFromIf> incomingProposal = new LinkedList<MessageFromIf>();
private FSMNameProvider fsmNameProvider = new FSMNameProvider();
private static boolean traceProposals = false;
static {
if (Activator.getDefault().isDebugging()) {
String value = Platform
.getDebugOption("org.eclipse.etrice.abstractexec.behavior/trace/proposals");
if (value != null && value.equalsIgnoreCase(Boolean.toString(true))) {
traceProposals = true;
}
}
}
public ProposalGenerator(ExpandedModelComponent xp, SemanticsCheck chk) {
xpac = xp;
checker = chk;
}
public List<MessageFromIf> getIncomingProposals() {
return incomingProposal;
}
public List<MessageFromIf> getOutgoingProposals() {
return outgoingProposal;
}
public void createProposals(State st) {
ActiveRules rules = checker.getActiveRules(st);
// in case the state is disconnected component of the graph
if (rules == null)
return;
// ignore substates
if (AbstractExecutionUtil.getInstance().getRoomHelpers().hasDirectSubStructure(st))
return;
outgoingProposal.clear();
incomingProposal.clear();
for (AbstractInterfaceItem port : rules.getPortList()) {
// collect all messages from active triggers
Set<EObject> messages = new HashSet<EObject>();
for (ActiveTrigger t : xpac.getActiveTriggers(st))
if (t.getIfitem().equals(port))
messages.add((EObject)t.getMsg());
// check if every rule has its messages
if (rules.getPortList().contains(port)) {
for (SemanticsRule curRule : rules.getRulesForPort(port)) {
if (!messages.contains(curRule.getMsg())) {
MessageFromIf mif = FSMFactory.eINSTANCE
.createMessageFromIf();
mif.setFrom(port);
mif.setMessage(curRule.getMsg());
boolean isOutgoing = port.getAllOutgoingAbstractMessages().contains(curRule.getMsg());
if (isOutgoing) {
outgoingProposal.add(mif);
} else {
incomingProposal.add(mif);
}
}
}
}
}
if (traceProposals) {
System.out.println(" Proposals for : " + st.getName());
for (MessageFromIf msg : outgoingProposal) {
System.out.println(" Outgoing msg proposal : "
+ msg.getFrom().getName() + "."
+ fsmNameProvider.getMessageName(msg.getMessage()) + "()");
}
for (MessageFromIf msg : incomingProposal) {
System.out.println(" Incoming msg proposal : "
+ fsmNameProvider.getMessageName(msg.getMessage()) + " from "
+ msg.getFrom().getName());
}
}
}
}
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