/*******************************************************************************
 * Copyright (c) 2015-2018 Skymind, Inc.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Apache License, Version 2.0 which is available at
 * https://www.apache.org/licenses/LICENSE-2.0.
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
 ******************************************************************************/

package org.deeplearning4j.spark.data;

import org.apache.spark.SparkContext;
import org.apache.spark.rdd.RDD;
import org.datavec.api.transform.TransformProcess;
import org.nd4j.linalg.dataset.api.MultiDataSet;

/**
 * A provider for an {@link MultiDataSet}
 * rdd.
 * @author Adam Gibson
 */
public interface MultiDataSetProvider {


    /**
     * Return an rdd of type dataset
     * @return
     */
    RDD<MultiDataSet> data(SparkContext sparkContext);


    /**
     * (Optional) The transform process
     * for the dataset provider.
     * @return
     */
    TransformProcess transformProcess();

}
