/*******************************************************************************
 * 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.models.embeddings.word2vec;

import org.apache.spark.broadcast.Broadcast;
import org.datavec.spark.transform.BaseFlatMapFunctionAdaptee;
import org.deeplearning4j.models.word2vec.VocabWord;
import org.deeplearning4j.models.word2vec.wordstore.VocabCache;
import org.nd4j.linalg.api.ndarray.INDArray;
import scala.Tuple2;

import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

/**
 * @author jeffreytang
 * @author raver119@gmail.com
 */
public class FirstIterationFunction extends
                BaseFlatMapFunctionAdaptee<Iterator<Tuple2<List<VocabWord>, Long>>, Entry<VocabWord, INDArray>> {

    public FirstIterationFunction(Broadcast<Map<String, Object>> word2vecVarMapBroadcast,
                    Broadcast<double[]> expTableBroadcast, Broadcast<VocabCache<VocabWord>> vocabCacheBroadcast) {
        super(new FirstIterationFunctionAdapter(word2vecVarMapBroadcast, expTableBroadcast, vocabCacheBroadcast));
    }
}

