list/src/main/java/data/MultipleHMKeys.java

package data;

import java.util.ArrayList;
import java.util.Objects;

/*
Created for when words are sorted by multiple keys, i.e. not just lemmas but lemmas and msd simultaneously.
*/
public interface MultipleHMKeys {
    String getK1();
    default String getK2(){ return null; }
    default String getK3(){ return null; }
    default String getK4(){ return null; }
    default String getK5(){ return null; }

    default ArrayList<MultipleHMKeys> getSplittedMultipleHMKeys(){ return null; }

    default String getMsd(Filter filter) {
        String msd = "";
        if (filter.getCalculateFor().equals(CalculateFor.MORPHOSYNTACTIC_SPECS)){
            msd = getK1();
        } else if (filter.getMultipleKeys().contains(CalculateFor.MORPHOSYNTACTIC_SPECS)) {
            int i = 0;
            for (CalculateFor otherKey : filter.getMultipleKeys()) {
                switch (i) {
                    case 0:
                        if (otherKey.equals(CalculateFor.MORPHOSYNTACTIC_SPECS)) {
                            msd = getK2();
                        }
                        break;
                    case 1:
                        if (otherKey.equals(CalculateFor.MORPHOSYNTACTIC_SPECS)) {
                            msd = getK3();
                        }
                        break;
                    case 2:
                        if (otherKey.equals(CalculateFor.MORPHOSYNTACTIC_SPECS)) {
                            msd = getK4();
                        }
                        break;
                    case 3:
                        if (otherKey.equals(CalculateFor.MORPHOSYNTACTIC_SPECS)) {
                            msd = getK5();
                        }
                        break;
                }

                i++;
            }
        }
        return msd;
    }

    @Override
    int hashCode();

    @Override
    boolean equals(Object obj);
}