Rule.java example

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/**
 * Copyright 2010 JBoss Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.drools.eclipse.core;

import java.util.HashMap;
import java.util.Map;

/**
 * This represents a rule. 
 * 
 * @author <a href="mailto:kris_verlaenen@hotmail.com">kris verlaenen </a>
 */
public class Rule extends DroolsElement {

    private final String ruleName;
    private Map attributes = new HashMap();
    private RuleGroup group = null;
    
    Rule(Package parent, String ruleName) {
    	super(parent);
        this.ruleName = ruleName;
    }

	public Package getParentPackage() {
		return (Package) getParent();
	}
	
	public String getRuleName() {
		return ruleName;
	}
	
	public RuleGroup getGroup() {
		Package pkg = (Package)getParent();
		if (pkg.getDefaultGroup().equals(group)) {
			return null;
		}
		return group;
	}

	public void setGroup(RuleGroup group) {
		this.group = group;
	}

	public RuleAttribute getAttribute(String attributeName) {
		return (RuleAttribute) attributes.get(attributeName);
	}
	
	public int getType() {
		return RULE;
	}
	
	public DroolsElement[] getChildren() {
		return NO_ELEMENTS;			
	}

	public String toString() {
		return ruleName;
	}

	// These are helper methods for creating the model and should not
	// be used directly.  Use DroolsModelBuilder instead.

    void addAttribute(RuleAttribute attribute) {
		attributes.put(attribute.getAttributeName(), attribute);
	}

}