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/**
* Copyright (c) 2014 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:
* Henrik Rentz-Reichert (initial contribution)
*/
package org.eclipse.etrice.generator.fsm.generic;
import com.google.common.base.Objects;
import com.google.common.collect.Iterables;
import com.google.inject.Inject;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.etrice.core.fsm.fSM.CPBranchTransition;
import org.eclipse.etrice.core.fsm.fSM.DetailCode;
import org.eclipse.etrice.core.fsm.fSM.Guard;
import org.eclipse.etrice.core.fsm.fSM.ModelComponent;
import org.eclipse.etrice.core.fsm.fSM.State;
import org.eclipse.etrice.core.fsm.fSM.StateGraph;
import org.eclipse.etrice.core.fsm.fSM.TrPoint;
import org.eclipse.etrice.core.fsm.fSM.Transition;
import org.eclipse.etrice.core.fsm.fSM.TransitionPoint;
import org.eclipse.etrice.core.fsm.util.FSMHelpers;
import org.eclipse.etrice.core.genmodel.fsm.fsmgen.ExpandedModelComponent;
import org.eclipse.xtext.xbase.lib.Extension;
import org.eclipse.xtext.xbase.lib.Functions.Function1;
import org.eclipse.xtext.xbase.lib.IterableExtensions;
/**
* @author Henrik Rentz-Reichert
*/
@SuppressWarnings("all")
public class FSMExtensions {
@Inject
@Extension
protected FSMHelpers _fSMHelpers;
/**
* the template type is T
* @param l an iterable of type T
* @param e a single element of type T
* @return the union of the iterable and the element as new list
*/
public <T extends Object> List<T> union(final Iterable<T> l, final T e) {
ArrayList<T> ret = new ArrayList<T>();
Iterables.<T>addAll(ret, l);
ret.add(e);
return ret;
}
/**
* the template type is T
* @param l1 an iterable of type T
* @param l2 a second iterable of type T
* @return the union of the two iterables as new list
*/
public <T extends Object> List<T> union(final Iterable<T> l1, final Iterable<T> l2) {
ArrayList<T> ret = new ArrayList<T>();
Iterables.<T>addAll(ret, l1);
Iterables.<T>addAll(ret, l2);
return ret;
}
/**
* the template type is T
* @param l1 a list of elements of type T
* @param l2 a second list of elements of type T
* @return a new list with the contents of l1
*/
public <T extends Object> List<T> minus(final List<T> l1, final List<T> l2) {
ArrayList<T> ret = new ArrayList<T>(l1);
ret.removeAll(l2);
return ret;
}
/**
* @param ac an {@link ExpandedActorClass}
* @param s a {@link State}
* @return a list of {@link Transition}s starting at the state and going up in the hierarchy
* following the logic of evaluation of firing conditions
*/
public List<Transition> getOutgoingTransitionsHierarchical(final ExpandedModelComponent ac, final State s) {
ArrayList<Transition> result = new ArrayList<Transition>();
EList<Transition> _outgoingTransitions = ac.getOutgoingTransitions(s);
result.addAll(_outgoingTransitions);
EObject _eContainer = s.eContainer();
StateGraph sg = ((StateGraph) _eContainer);
EList<TrPoint> _trPoints = sg.getTrPoints();
for (final TrPoint tp : _trPoints) {
if ((tp instanceof TransitionPoint)) {
EList<Transition> _outgoingTransitions_1 = ac.getOutgoingTransitions(tp);
result.addAll(_outgoingTransitions_1);
}
}
EObject _eContainer_1 = sg.eContainer();
if ((_eContainer_1 instanceof State)) {
EObject _eContainer_2 = sg.eContainer();
List<Transition> _outgoingTransitionsHierarchical = this.getOutgoingTransitionsHierarchical(ac, ((State) _eContainer_2));
result.addAll(_outgoingTransitionsHierarchical);
}
return result;
}
/**
* @param states a list of {@link State}s
* @return a list ordered such that leaf states are last
*/
public List<State> getLeafStatesLast(final List<State> states) {
List<State> _xblockexpression = null;
{
final Function1<State, Boolean> _function = new Function1<State, Boolean>() {
public Boolean apply(final State s) {
return Boolean.valueOf(FSMExtensions.this._fSMHelpers.isLeaf(s));
}
};
final Iterable<State> leaf = IterableExtensions.<State>filter(states, _function);
final Function1<State, Boolean> _function_1 = new Function1<State, Boolean>() {
public Boolean apply(final State s) {
boolean _isLeaf = FSMExtensions.this._fSMHelpers.isLeaf(s);
return Boolean.valueOf((!_isLeaf));
}
};
final Iterable<State> nonLeaf = IterableExtensions.<State>filter(states, _function_1);
_xblockexpression = this.<State>union(nonLeaf, leaf);
}
return _xblockexpression;
}
/**
* @param ac an {@link ActorClass}
* @return a list of all leaf states
*/
public List<State> getAllLeafStates(final ModelComponent mc) {
StateGraph _stateMachine = mc.getStateMachine();
return this._fSMHelpers.getLeafStateList(_stateMachine);
}
/**
* @param ac an {@link ActorClass}
* @return a list of simple states with leaf states last
*/
public List<State> getAllBaseStatesLeavesLast(final ModelComponent mc) {
List<State> _allBaseStates = this._fSMHelpers.getAllBaseStates(mc);
return this.getLeafStatesLast(_allBaseStates);
}
/**
* @param ac an {@link ModelComponent}
* @return the number of all inherited states
*/
public int getNumberOfInheritedStates(final ModelComponent mc) {
ModelComponent _base = mc.getBase();
boolean _equals = Objects.equal(_base, null);
if (_equals) {
return 0;
} else {
ModelComponent _base_1 = mc.getBase();
StateGraph _stateMachine = _base_1.getStateMachine();
List<State> _stateList = this._fSMHelpers.getStateList(_stateMachine);
int _size = _stateList.size();
ModelComponent _base_2 = mc.getBase();
int _numberOfInheritedStates = this.getNumberOfInheritedStates(_base_2);
return (_size + _numberOfInheritedStates);
}
}
/**
* @param ac an {@link ModelComponent}
* @return the number of all inherited base (or simple) states
*/
public int getNumberOfInheritedBaseStates(final ModelComponent ac) {
ModelComponent _base = ac.getBase();
boolean _equals = Objects.equal(_base, null);
if (_equals) {
return 0;
} else {
ModelComponent _base_1 = ac.getBase();
StateGraph _stateMachine = _base_1.getStateMachine();
List<State> _baseStateList = this._fSMHelpers.getBaseStateList(_stateMachine);
int _size = _baseStateList.size();
ModelComponent _base_2 = ac.getBase();
int _numberOfInheritedBaseStates = this.getNumberOfInheritedBaseStates(_base_2);
return (_size + _numberOfInheritedBaseStates);
}
}
public boolean isConditionOrGuard(final DetailCode dc) {
boolean _xblockexpression = false;
{
final EObject parent = dc.eContainer();
boolean _switchResult = false;
boolean _matched = false;
if (!_matched) {
if (parent instanceof Guard) {
_matched=true;
_switchResult = true;
}
}
if (!_matched) {
if (parent instanceof CPBranchTransition) {
_matched=true;
DetailCode _condition = ((CPBranchTransition)parent).getCondition();
_switchResult = Objects.equal(_condition, dc);
}
}
if (!_matched) {
_switchResult = false;
}
_xblockexpression = _switchResult;
}
return _xblockexpression;
}
}
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