/*
 *  ******************************************************************************
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 *  *
 *  * 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.
 *  *
 *  *  See the NOTICE file distributed with this work for additional
 *  *  information regarding copyright ownership.
 *  * 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.
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 *  * SPDX-License-Identifier: Apache-2.0
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package org.deeplearning4j.earlystopping.termination;

import lombok.Data;
import org.nd4j.shade.jackson.annotation.JsonProperty;

@Data
public class MaxScoreIterationTerminationCondition implements IterationTerminationCondition {

    private double maxScore;

    public MaxScoreIterationTerminationCondition(@JsonProperty("maxScore") double maxScore) {
        this.maxScore = maxScore;
    }

    @Override
    public void initialize() {
        //no op
    }

    @Override
    public boolean terminate(double lastMiniBatchScore) {
        return lastMiniBatchScore > maxScore || Double.isNaN(lastMiniBatchScore);
    }

    @Override
    public String toString() {
        return "MaxScoreIterationTerminationCondition(" + maxScore + ")";
    }
}
