on-restart-benchmarks/contribs/qecode/Strategy.cc

/****   , [ bobocheTree.cc ],
 Copyright (c) 2008 Universite d'Orleans - Jeremie Vautard

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 The above copyright notice and this permission notice shall be included in
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 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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#include "Strategy.hh"

StrategyImp::StrategyImp() {
	cout<<"Default constructor of StrategyImp should not be called !"<<endl;
	pointers=1;
	zetag=StrategyNode::Dummy();
	todos=0;
	father=NULL;
}

void StrategyImp::todosUpdate(int i) {
	todos += i;
	if (father != NULL) father->todosUpdate(i);
}

StrategyImp::StrategyImp(StrategyNode tag) {
	//    cout<<"Strategy imp constructor"<<endl;
	pointers=1;
	zetag=tag;
	todos=0;
	father=NULL;
	//    cout<<"strategyimp constructor fini"<<endl;
}


StrategyImp::~StrategyImp() {
	for (vector<Strategy>::iterator i = nodes.begin();i != nodes.end();i++) {
		if (((*i).imp->father) == this) {
			(*i).imp->father = NULL;
		}
	}
}


Strategy::Strategy() {
	//    cout<<"strategy default"<<endl;
	StrategyNode tag = StrategyNode::Dummy();
	imp = new StrategyImp(tag);
}

Strategy::Strategy(StrategyNode tag) {
	//    cout<<"Strategy with tag"<<endl;
	imp = new StrategyImp(tag);
	//cout<<"passed imp creation. End of strategy creator"<<endl;
}

Strategy::Strategy(StrategyImp* imp) {
	this->imp = imp;
	this->imp->pointers++;
}

Strategy::Strategy(bool qt,int VMin, int VMax, int scope, vector<int> values) {
	//    cout<<"strategy with values"<<endl;
	StrategyNode tag(2,qt,VMin,VMax,scope);
	tag.valeurs=values;
	imp = new StrategyImp(tag);

}


Strategy::Strategy(const Strategy& tree) {
	//    cout<<"Strategy copy"<<endl;
	imp = tree.imp;
	(imp->pointers)++;
}


Strategy& Strategy::operator = (const Strategy& rvalue) {
	//    cout<<"Strategy = "<<endl;
	if (imp != NULL) {
		(imp->pointers)--;
		if ( (imp->pointers) == 0) {
			//        cout<<"no more references for the imp. Delete"<<endl;
			delete imp;
		}
	}
	imp = rvalue.imp;
	(imp->pointers)++;
	return *this;
}


Strategy::~Strategy() {
	//    cout<<"strategy destructor"<<endl;
	(imp->pointers)--;
	if ( (imp->pointers) == 0) {
		//        cout<<"no more references for the imp. Delete"<<endl;
		delete imp;
	}
}


StrategyNode Strategy::getTag() {
	return imp->zetag;
}

Strategy Strategy::getFather() {
	if (hasFather()) return Strategy(imp->father);
	return Dummy();
}

bool Strategy::hasFather() {
	if (imp->father != NULL) {
		for (int i=0;i< imp->father->nodes.size();i++) {
			if ((imp->father->nodes[i].imp)  == imp)
				return true;
		}
	}
	return false;
}

Strategy Strategy::getChild(int i) {
	if (i<0 || i>=degree() ) {cout<<"Child "<<i<<" does not exist"<<endl;abort();}
	return imp->nodes[i];
}

Strategy Strategy::getSubStrategy(vector<int> position) {
	if (position.empty()) return *this;
	int deg = degree();
	if (deg == 0) {
		cout<<"Did not find substrategy"<<endl;
		return Strategy::Dummy();
	}
	for (int i=0;i<deg;i++) {
		Strategy child=getChild(i);
		bool ok=true;
		if (child.values().size() == 0) {
			ok = false;
		}
		for (int j=0;(j<child.values().size()) && ok;j++) {
			if (child.value(j) != position[j]) ok=false;
		}
		if (ok) {
			position.erase(position.begin(),position.begin() + (child.values().size()));
			return child.getSubStrategy(position);
		}
	}
	cout<<"Did not find substrategy"<<endl;
	return Strategy::Dummy();
}

void Strategy::attach(Strategy child) {
	if (child.isDummy()) {
		int todosToAdd = 0;

		for (int i=0;i<child.degree();i++) {
			this->attach(child.getChild(i));
		}
	}
	else {
		imp->nodes.push_back(child);
		todosUpdate(child.imp->todos);
		(child.imp)->father = this->imp;
	}
}

void Strategy::detach(Strategy son) {

	vector<Strategy>::iterator it = imp->nodes.begin();
	while (it != (imp->nodes.end()) && ( (*it).id() != son.id())) {
	it++;}
	if ( it != imp->nodes.end()) {
		todosUpdate(0-((*it).imp->todos));
		(*it).imp->father=NULL;
		imp->nodes.erase(it);
	}
}


void Strategy::detach(unsigned int i) {
	if (imp->nodes.size() < i) return;

	vector<Strategy>::iterator it = imp->nodes.begin()+i;
	todosUpdate(0-((*it).imp->todos));
	(*it).imp->father=NULL;
	imp->nodes.erase(it);
}

Strategy Strategy::STrue() {
	Strategy ret(StrategyNode::STrue());
	return ret;
}

Strategy Strategy::SFalse() {
	Strategy ret(StrategyNode::SFalse());
	return ret;
}

Strategy Strategy::Dummy() {
	Strategy ret(StrategyNode::Dummy());
	return ret;
}

Strategy Strategy::Stodo() {
	Strategy ret(StrategyNode::Todo());
	ret.imp->todos=1;
	return ret;
}

vector<int> Strategy::getPosition() {
	vector<int> ret;
	Strategy asc = *this;
	while (!asc.isDummy()) {
//		cout<<"GetPosition adding "<<asc.values().size()<<" elements to a vector of size "<<ret.size()<<endl;
		vector<int> ret2;
		ret2.reserve(ret.size() + asc.values().size() +1);
		for (int i=0;i<asc.values().size();i++) {
			ret2.push_back(asc.values()[i]);
		}
		for (int i=0;i<ret.size();i++) {
			ret2.push_back(ret[i]);
		}
		ret=ret2;
		asc = asc.getFather();
	}
	return ret;
}

int Strategy::checkIntegrity() {
	int ret=0;
	for (unsigned int i=0;i < (this->degree());i++) {
		if ( (((imp->nodes[i]).imp)->father) != imp) {
			ret++;
			cout<< (((imp->nodes[i]).imp)->father) << " should be " << imp <<endl;
		}
		ret += (getChild(i).checkIntegrity());
	}
	return ret;
}