/*******************************************************************************
 * 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.arbiter.optimize.runner.listener;

import org.deeplearning4j.arbiter.optimize.api.OptimizationResult;
import org.deeplearning4j.arbiter.optimize.runner.CandidateInfo;
import org.deeplearning4j.arbiter.optimize.runner.IOptimizationRunner;

/**
 * BaseStatusListener: implements all methods of {@link StatusListener} as no-op.
 * Users can extend this and override only the methods actually required
 *
 * @author Alex Black
 */
public abstract class BaseStatusListener implements StatusListener{
    @Override
    public void onInitialization(IOptimizationRunner runner) {
        //No op
    }

    @Override
    public void onShutdown(IOptimizationRunner runner) {
        //No op
    }

    @Override
    public void onRunnerStatusChange(IOptimizationRunner runner) {
        //No op
    }

    @Override
    public void onCandidateStatusChange(CandidateInfo candidateInfo, IOptimizationRunner runner, OptimizationResult result) {
        //No op
    }

    @Override
    public void onCandidateIteration(CandidateInfo candidateInfo, Object candidate, int iteration) {
        //No op
    }
}
