disabledpreferences.java

来自「Standord Classifier实现了一个基于Java的最大熵分类器。用于」· Java 代码 · 共 57 行

package edu.stanford.nlp.util;

import java.util.prefs.AbstractPreferences;
import java.util.prefs.BackingStoreException;

/**
 * A do-nothing Preferences implementation so that we can avoid the hassles
 * of the JVM Preference implementations.
 * Taken from: http://www.allaboutbalance.com/disableprefs/index.html
 *
 * @author Robert Slifka
 * @version 2003/03/24
 */
public class DisabledPreferences extends AbstractPreferences {

    public DisabledPreferences() {
        super(null, "");
    }

    protected void putSpi(String key, String value) {

    }

    protected String getSpi(String key) {
        return null;
    }

    protected void removeSpi(String key) {

    }

    protected void removeNodeSpi() throws BackingStoreException {

    }

    protected String[] keysSpi() throws BackingStoreException {
        return new String[0];
    }

    protected String[] childrenNamesSpi()
            throws BackingStoreException {
        return new String[0];
    }

    protected AbstractPreferences childSpi(String name) {
        return null;
    }

    protected void syncSpi() throws BackingStoreException {

    }

    protected void flushSpi() throws BackingStoreException {

    }
}