/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OpenFlexo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.antar;

import java.util.Collection;
import java.util.Enumeration;
import java.util.Vector;
import java.util.logging.Logger;

import org.openflexo.logging.FlexoLogger;

public class Flow extends ControlGraph {

	@SuppressWarnings("unused")
	private static final Logger logger = FlexoLogger.getLogger(Sequence.class.getPackage().getName());

	private Vector<ControlGraph> statements;

	public Flow() {
		super();
		statements = new Vector<ControlGraph>();
	}

	public Flow(Vector<ControlGraph> statements) {
		this();
		this.statements.addAll(statements);
	}

	public Vector<ControlGraph> getStatements() {
		return statements;
	}

	public void setStatements(Vector<ControlGraph> statements) {
		this.statements = statements;
	}

	public boolean addToStatements(ControlGraph o) {
		return statements.add(o);
	}

	public void addStatement(int index, ControlGraph element) {
		statements.add(index, element);
	}

	public ControlGraph statementAt(int index) {
		return statements.elementAt(index);
	}

	public Enumeration<ControlGraph> elements() {
		return statements.elements();
	}

	public ControlGraph firstStatement() {
		return statements.firstElement();
	}

	public int indexOf(ControlGraph statement) {
		return statements.indexOf(statement);
	}

	public void insertStatementAt(ControlGraph statement, int index) {
		statements.insertElementAt(statement, index);
	}

	public ControlGraph lastStatement() {
		return statements.lastElement();
	}

	public boolean remove(ControlGraph o) {
		return statements.remove(o);
	}

	public void removeAllStatements() {
		statements.removeAllElements();
	}

	public void removeStatementAt(int index) {
		statements.removeElementAt(index);
	}

	public int size() {
		return statements.size();
	}

	@Override
	public String toString() {
		StringBuffer sb = new StringBuffer();
		sb.append("FLOW{");
		for (ControlGraph statement : statements) {
			sb.append(statement + " // \n");
		}
		sb.append("}");
		return sb.toString();
	}

	@Override
	public final ControlGraph normalize() {
		return clone();
	}

	@Override
	public Flow clone() {
		Flow returned = new Flow(getStatements());
		returned.setHeaderComment(getHeaderComment());
		returned.setInlineComment(getInlineComment());
		return returned;
	}

	public boolean addAll(Collection<? extends ControlGraph> c) {
		return statements.addAll(c);
	}

}