/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://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.
 */

package org.apache.flink.ml.feature.elementwiseproduct;

import org.apache.flink.ml.common.param.HasInputCol;
import org.apache.flink.ml.common.param.HasOutputCol;
import org.apache.flink.ml.linalg.Vector;
import org.apache.flink.ml.param.Param;
import org.apache.flink.ml.param.ParamValidators;
import org.apache.flink.ml.param.VectorParam;

/**
 * Params of {@link ElementwiseProduct}.
 *
 * @param <T> The class type of this instance.
 */
public interface ElementwiseProductParams<T> extends HasInputCol<T>, HasOutputCol<T> {

    Param<Vector> SCALING_VEC =
            new VectorParam(
                    "scalingVec",
                    "The scaling vector to multiply with input vectors using hadamard product.",
                    null,
                    ParamValidators.notNull());

    default Vector getScalingVec() {
        return get(SCALING_VEC);
    }

    default T setScalingVec(Vector value) {
        set(SCALING_VEC, value);
        return (T) this;
    }
}