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package cdc.mf.transform;

import cdc.mf.model.MfModel;

/**
 * Interface used to locally transform a {@link MfModel model}.
 * 
 * For a deep transformation, use {@link MfTransformer}.
 *
 * @author Damien Carbonne
 */
@FunctionalInterface
public interface MfModelTransformer {
    /**
     * Converts a source model to a target one.
     *
     * @param srcModel The source model.
     * @return The target model.
     */
    public MfModel transform(MfModel srcModel);

    /**
     * @return An instance of {@link MfModelTransformer} that duplicates the source model.
     */
    public static MfModelTransformer cloner() {
        return MfModel::duplicate;
    }

    /**
     * @param fixer The model fixer.
     * @return An instance of {@link MfModelTransformer} that duplicates the source model and then fix it.
     */
    public static MfModelTransformer of(MfElementFixer fixer) {
        return srcModel -> {
            final MfModel.Builder tgtBuilder = MfModel.builder();
            srcModel.set(tgtBuilder);
            fixer.fix(srcModel, tgtBuilder);
            return tgtBuilder.build();
        };
    }
}