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package io.sphere.sdk.search;

import javax.annotation.Nullable;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;

public interface SearchModel {

    @Nullable
    String getPathSegment();

    @Nullable
    SearchModel getParent();

    default List buildPath() {
        final List pathSegments = new ArrayList<>();
        Optional.ofNullable(getParent()).ifPresent(p -> pathSegments.addAll(p.buildPath()));
        Optional.ofNullable(getPathSegment()).ifPresent(ps -> pathSegments.add(ps));
        return pathSegments;
    }

    /**
     * Checks if the given pathSegments matches the path of the parents and the current one of this search model.
     *
     * @param pathSegments the path segments, the most closer element is one the right side
     * @return true, if the path segments of this matches exactly pathSegments
     */
    default boolean hasPath(final List pathSegments) {
        return buildPath().equals(pathSegments);
    }
}