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/**
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* Copyright (C) 2016 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.remote.controller;
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import java.util.Arrays;
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import java.util.List;
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import org.apache.log4j.Logger;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.term.OrderedTermVocabulary;
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import eu.etaxonomy.cdm.persistence.query.OrderHint;
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enum OrderHintPreset {
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BY_ID_ASC(OrderHint.ORDER_BY_ID),
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BY_ID_DESC(OrderHint.ORDER_BY_ID_DESC),
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BY_ORDER_INDEX_DESC(OrderHint.BY_ORDER_INDEX_DESC),
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BY_ORDER_INDEX_ASC(OrderHint.BY_ORDER_INDEX),
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BY_TITLE_CACHE_ASC(OrderHint.ORDER_BY_TITLE_CACHE),
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BY_TITLE_CACHE_DESC(OrderHint.ORDER_BY_TITLE_CACHE_DESC),
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BY_NOMENCLATURAL_ORDER_ASC(OrderHint.NOMENCLATURAL_SORT_ORDER),
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BY_NOMENCLATURAL_ORDER_DESC(OrderHint.NOMENCLATURAL_SORT_ORDER_DESC);
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public static final Logger logger = Logger.getLogger(OrderHintPreset.class);
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private final List<OrderHint> orderHints;
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List<OrderHint> orderHints() {
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return orderHints;
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}
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OrderHintPreset(OrderHint... orderHint) {
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this.orderHints = Arrays.asList(orderHint);
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}
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/**
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* Checks if the OrderHintPreset is suitable for the given <code>type</code>.
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* In case this check fails the <code>BY_TITLE_CACHE_ASC</code> or
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* <code>BY_TITLE_CACHE_DESC</code> is returned as fallback, depending on
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* the sort order of the original sort order.
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*
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* @param type
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*
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* @return
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*/
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public OrderHintPreset checkSuitableFor(Class<? extends CdmBase> type) {
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switch(this) {
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case BY_ORDER_INDEX_ASC:
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if(!OrderedTermVocabulary.class.isAssignableFrom(type)) {
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logger.warn("BY_ORDER_INDEX_ASC not possible with " + type.getSimpleName() +" , falling back to BY_TITLE_CACHE_ASC");
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return OrderHintPreset.BY_TITLE_CACHE_ASC;
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}
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break;
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case BY_ORDER_INDEX_DESC:
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if(!OrderedTermVocabulary.class.isAssignableFrom(type)) {
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logger.warn( "BY_ORDER_INDEX_DESC not possible with " + type.getSimpleName() +" , falling back to BY_TITLE_CACHE_DESC");
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return OrderHintPreset.BY_TITLE_CACHE_DESC;
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}
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break;
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default:
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// IGNORE
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break;
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}
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return this;
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}
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}
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