/*
 * LensKit, an open source recommender systems toolkit.
 * Copyright 2010-2014 LensKit Contributors.  See CONTRIBUTORS.md.
 * Work on LensKit has been funded by the National Science Foundation under
 * grants IIS 05-34939, 08-08692, 08-12148, and 10-17697.
 *
 * This program 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 2.1 of the
 * License, or (at your option) any later version.
 *
 * This program 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 General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package org.lenskit.eval.traintest.metrics;

import java.util.LinkedHashMap;
import java.util.Map;

/**
 * Metric result containing arbitrary fields in a map.
 */
class MapMetricResult extends MetricResult {
    private final Map<String, Object> values;

    public MapMetricResult(Map<String,?> vals) {
        values = new LinkedHashMap<>(vals);
    }

    @Override
    public Map<String, Object> getValues() {
        return values;
    }
}

@@ -1031,16 +1031,129 @@
 trics;%0A%0A
+import org.apache.commons.lang3.builder.ToStringBuilder;%0Aimport org.apache.commons.lang3.builder.ToStringStyle;%0A%0A
 import j
@@ -1541,11 +1541,209 @@
 s;%0A    %7D
+%0A%0A    @Override%0A    public String toString() %7B%0A        return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE)%0A                .append(%22values%22, values)%0A                .toString();%0A    %7D
 %0A%7D%0A

Add toString method to MapMetricResult