001/*
002 * Copyright (c) 2015-2020, Oracle and/or its affiliates. All rights reserved.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.tribuo.provenance.impl;
018
019import com.oracle.labs.mlrg.olcut.provenance.ListProvenance;
020import com.oracle.labs.mlrg.olcut.provenance.Provenance;
021import org.tribuo.Dataset;
022import org.tribuo.provenance.DatasetProvenance;
023
024import java.util.Map;
025
026/**
027 * An empty DatasetProvenance, should not be used except by the provenance removal system.
028 */
029public final class EmptyDatasetProvenance extends DatasetProvenance {
030    private static final long serialVersionUID = 1L;
031
032    public EmptyDatasetProvenance() {
033        super(new EmptyDataSourceProvenance(), new ListProvenance<>(), Dataset.class.getName(), false, false, -1, -1, -1);
034    }
035
036    public EmptyDatasetProvenance(Map<String, Provenance> map) {
037        this();
038    }
039
040    @Override
041    public String toString() {
042        return generateString("EmptyDataset");
043    }
044}