jadex.bdi.tutorial.EnglishGermanAddWordPlanC2 Maven / Gradle / Ivy

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The Jadex BDI applications package contain several example applications, benchmarks and testcases using BDI agents.

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package jadex.bdi.tutorial;

import jadex.bdi.runtime.IExpression;
import jadex.bdi.runtime.IMessageEvent;
import jadex.bdi.runtime.Plan;
import jadex.bridge.fipa.SFipa;
import jadex.commons.Tuple;

import java.util.StringTokenizer;

/**
 *  Add a english - german word pair to the wordtable.
 */
public class EnglishGermanAddWordPlanC2 extends Plan
{
	//-------- attributes --------

	/** Query the tuples for a word. */
	protected IExpression	testword;

	//-------- constructors --------

	/**
	 *  Create a new plan.
	 */
	public EnglishGermanAddWordPlanC2()
	{
		getLogger().info("Created:"+this);
		this.testword = getExpression("query_egword");
	}

	//-------- methods --------

	/**
	 *  The plan body.
	 */
	public void body()
	{
		StringTokenizer stok = new StringTokenizer((String)((IMessageEvent)getReason())
			.getParameter(SFipa.CONTENT).getValue(), " ");
		if(stok.countTokens()==4)
		{
			stok.nextToken();
			stok.nextToken();
			String eword = stok.nextToken();
			String gword = stok.nextToken();
			Object words = testword.execute("$eword", eword);
			if(words==null)
			{
				getBeliefbase().getBeliefSet("egwords").addFact(new Tuple(eword, gword));
				getLogger().info("Added  new wordpair to database: "
					+eword+" - "+gword);
			}
			else
			{
				getLogger().info("Sorry database already contains word: "+eword);
			}
		}
		else
		{
			getLogger().warning("Sorry format not correct.");
		}
	}
}