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Macker is a build-time architectural rule checking utility for Java developers. It's meant to model the architectural ideals programmers always dream up for their projects, and then break - it helps keep code clean and consistent.

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/*______________________________________________________________________________
 *
 * Macker   http://innig.net/macker/
 *
 * Copyright 2002-2003 Paul Cantrell
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License version 2, as published by the
 * Free Software Foundation. See the file LICENSE.html for more information.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY, including the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the license for more details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc. / 59 Temple
 * Place, Suite 330 / Boston, MA 02111-1307 / USA.
 *______________________________________________________________________________
 */

package de.andrena.tools.macker.rule;

import de.andrena.tools.macker.event.ListenerException;
import de.andrena.tools.macker.event.MackerIsMadException;
import de.andrena.tools.macker.structure.ClassManager;

public abstract class Rule {
	public Rule(RuleSet parent) {
		this.parent = parent;
	}

	public RuleSet getParent() {
		return parent;
	}

	public RuleSeverity getSeverity() {
		if (severity != null)
			return severity;
		else if (parent != null)
			return parent.getSeverity();
		else
			return RuleSeverity.ERROR;
	}

	public void setSeverity(RuleSeverity severity) {
		this.severity = severity;
	}

	public abstract void check(EvaluationContext context, ClassManager classes) throws RulesException,
			MackerIsMadException, ListenerException;

	private RuleSet parent;
	private RuleSeverity severity;
}