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/**
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* Copyright (C) 2019 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.model.term;
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/**
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* @author a.mueller
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* @since 22.01.2019
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*
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*/
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public interface IHasTermType {
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public TermType getTermType();
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/**
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* Checks if term type of term1 is not <code>null</code>.
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* @param term any instance implementing {@link IHasTermType}
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* @throws IllegalStateException if term typeis <code>null</code>
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*/
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public static void checkTermTypeNull(IHasTermType term) {
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if (term.getTermType()== null){
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throw new IllegalStateException("Term types must not be null");
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}
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}
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/**
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* Checks if term types of term1 and term2 are equal
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* and both term types are not <code>null</code>.
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* If term1 or term2 is null nothing happens.
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* @param term1 any instance implementing {@link IHasTermType}
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* @param term2 any instance implementing {@link IHasTermType}
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* @throws IllegalStateException if term types are either null or not equal
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*/
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public static void checkTermTypes(IHasTermType term1, IHasTermType term2) {
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if (term1 != null && term2 != null){
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checkTermTypeNull(term1);
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checkTermTypeNull(term2);
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if (term1.getTermType()!= term2.getTermType()){
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throw new IllegalStateException("Term types must match");
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}
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}
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}
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/**
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* Checks if term types of term1 and term2 are either equal
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* term type of descendant is kind of term type of ancestor.
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* Also both term types must not be null <code>null</code> and
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* If ancestor or descendant is null nothing happens.
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* @param ancestor
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* @param descendant
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* @throws IllegalStateException if any of the checks are not successful
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* @see #checkTermTypes(IHasTermType, IHasTermType)
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*/
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public static void checkTermTypeEqualOrDescendant(IHasTermType ancestor, IHasTermType descendant){
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if(ancestor != null && descendant != null){
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checkTermTypeNull(ancestor);
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checkTermTypeNull(descendant);
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if (ancestor.getTermType()!= descendant.getTermType() && !descendant.getTermType().isKindOf(ancestor.getTermType())){
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throw new IllegalStateException("Term types must match ");
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}
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}
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}
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}
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