inferenceenginefeaturedescriptions.java

来自「Mandarax是一个规则引擎的纯Java实现。它支持多类型的事实和基于反映的规」· Java 代码 · 共 51 行

/*
 * Copyright (C) 1999-2004 <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</a>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package org.mandarax.kernel;


/**
 * Feature descriptor for inference engines.
 * The standard feature names are defined as class constants and their
 * descriptions are initialized.
 * @author <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</A>
 * @version 3.4 <7 March 05>
 * @since 1.0
 */
public class InferenceEngineFeatureDescriptions extends FeatureDescriptions {

    // constants defining features
    public static String LOOP_CHECKS         = "checks for loops";
    public static String STRONG_NEGATION     = "strong negation";
    public static String NEGATION_AS_FAILURE = "negation as failure";
    public static String MULTIPLE_RESULTS    = "multiple results";
	public static String DERIVATION_EVENT_LISTENERS    = "derivation event listeners";
    public static String CUT = "cut";

    /**
     * Constructor.
     */
    public InferenceEngineFeatureDescriptions() {
        super ();

        descriptions.setProperty (LOOP_CHECKS, "handles infinite loops");
        descriptions.setProperty (MULTIPLE_RESULTS,"can find multiple results");
        descriptions.setProperty (STRONG_NEGATION, "supports explicit (strong) negation");
        descriptions.setProperty (NEGATION_AS_FAILURE,"supports negation as failure");
    }
}