org.lenskit.specs.data.DataSourceSpec Maven / Gradle / Ivy

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JavaBeans describing various LensKit objects, used for serializing between Gradle and the CLI.

There is a newer version: 3.0-T5

/*
 * 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.specs.data;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import org.lenskit.specs.AbstractSpec;

import java.nio.file.Path;
import java.util.Collections;
import java.util.Set;

/**
 * Base class for data source specifications.
 */
@JsonTypeInfo(
        use=JsonTypeInfo.Id.CLASS,
        defaultImpl=TextDataSourceSpec.class)
public abstract class DataSourceSpec extends AbstractSpec {
    private String name;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    /**
     * Get the input files for this data source.
     * @return The input files.
     */
    @JsonIgnore
    public Set getInputFiles() {
        return Collections.emptySet();
    }

    public abstract PrefDomainSpec getDomain();
}