rulesetexectest.java

drools 一个开放源码的规则引擎

package org.drools.decisiontable;


/*
 * Copyright 2005 (C) The Werken Company. All Rights Reserved.
 *
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 * ("Software"), with or without modification, are permitted provided that the
 * following conditions are met:
 *
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 * notices. Redistributions must also contain a copy of this document.
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 * from this Software without prior written permission of The Werken Company.
 * For written permission, please contact [e-mail].
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 * "drools" appear in their names without prior written permission of The Werken
 * Company. "drools" is a registered trademark of The Werken Company.
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 * (http://drools.werken.com/).
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import java.io.StringReader;

import junit.framework.TestCase;

import org.drools.RuleBase;
import org.drools.WorkingMemory;
import org.drools.decisiontable.model.Ruleset;
import org.drools.io.RuleBaseLoader;
import org.drools.io.RuleSetLoader;

/**
 * @author <a href="mailto:[e-mail]"> Michael Neale</a>
 * 
 * Tests actually executing the ruleset that is being created from the model
 * class (via DRL).
 */
public class RulesetExecTest extends TestCase
{

    /**
     * Shows basic use of the Ruleset model class, with a real instance of
     * drools.
     * 
     * @throws Exception
     */
    public void testRulesetExec() throws Exception
    {
        Ruleset ruleSet = RulesetToDRLTest.getTestRuleSet( );
               
        RuleSetLoader ruleSetLoader = new RuleSetLoader();           
        ruleSetLoader.addFromReader(new StringReader( ruleSet.toXML( ) ) );            
        
        RuleBaseLoader ruleBaseLoader = new RuleBaseLoader();
        ruleBaseLoader.addFromRuleSetLoader(ruleSetLoader);
        RuleBase ruleBase = ruleBaseLoader.buildRuleBase();           

        WorkingMemory engine = ruleBase.newWorkingMemory( );
        engine.assertObject( "yes" );
        engine.fireAllRules( );
    }

}