/*
 * (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.foundation.stats;

import java.util.Vector;

import org.openflexo.foundation.wkf.node.AbstractActivityNode;
import org.openflexo.foundation.wkf.node.OperationNode;

/**
 * @author gpolet
 * 
 */
public class AbstractActivityStatistics extends FlexoStatistics<AbstractActivityNode> {

	private int actionCount = -1;

	private int operationCount = -1;

	private int realActionCount = -1;

	private int realOperationCount = -1;

	/**
	 * @param object
	 */
	public AbstractActivityStatistics(AbstractActivityNode object) {
		super(object);
		refresh();
	}

	public int getActionCount() {
		return actionCount;
	}

	public int getRealActionCount() {
		return realActionCount;
	}

	private void setActionCount(int actionCount) {
		int old = this.actionCount;
		this.actionCount = actionCount;
		if (old != 0 && old != actionCount) {
			setChanged();
			notifyObservers(new StatModification("actionCount", old, actionCount));
		}
	}

	private void setRealActionCount(int realActionCount) {
		int old = this.realActionCount;
		this.realActionCount = realActionCount;
		if (old != realActionCount) {
			setChanged();
			notifyObservers(new StatModification("realActionCount", old, realActionCount));
		}
	}

	public int getOperationCount() {
		return operationCount;
	}

	private void setOperationCount(int operationCount) {
		int old = this.operationCount;
		this.operationCount = operationCount;
		if (old != operationCount) {
			setChanged();
			notifyObservers(new StatModification("operationCount", old, operationCount));
		}
	}

	public int getRealOperationCount() {
		return realOperationCount;
	}

	private void setRealOperationCount(int realOperationCount) {
		int old = this.realOperationCount;
		this.realOperationCount = realOperationCount;
		if (old != realOperationCount) {
			setChanged();
			notifyObservers(new StatModification("realOperationCount", old, realOperationCount));
		}
	}

	/**
	 * Overrides refresh
	 * 
	 * @see org.openflexo.foundation.stats.FlexoStatistics#refresh()
	 */
	@Override
	public void refresh() {
		Vector<OperationNode> operations = getObject().getAllEmbeddedOperationNodes();
		setOperationCount(operations.size());
		int aCount = 0;
		int oCount = 0;
		int realACount = 0;
		for (OperationNode node : operations) {
			node.getStatistics().refresh();
			aCount += node.getStatistics().getActionCount();
			if (!node.isBeginOrEndNode()) {
				oCount += 1;
			}
			realACount += node.getStatistics().getRealActionCount();
		}
		setActionCount(aCount);
		setRealActionCount(realACount);
		setRealOperationCount(oCount);
	}

}