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/**
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* Copyright (C) 2007 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.persistence.fetch;
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import org.apache.logging.log4j.LogManager;import org.apache.logging.log4j.Logger;
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/**
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* @author a.mueller
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* @since 30.04.2008
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* @version 1.0
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*/
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public class CdmFetch {
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private static final Logger logger = LogManager.getLogger(CdmFetch.class);
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public static CdmFetch NO_FETCH() {return new CdmFetch(0);}
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public static CdmFetch FETCH_NOTHING() {return new CdmFetch(0);}
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public static CdmFetch FETCH_DESCRIPTIONS() {return new CdmFetch(1);}
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public static CdmFetch FETCH_CHILDTAXA() {return new CdmFetch(2);}
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public static CdmFetch FETCH_PARENT_TAXA() {return new CdmFetch(3);}
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public static CdmFetch FETCH_ANNOTATIONS_ALL() {return new CdmFetch(4);}
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public static CdmFetch FETCH_MARKER_ALL() {return new CdmFetch(5);}
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public static CdmFetch FETCH_SYNONYMS() {return new CdmFetch(6);}
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protected int fetchSum;
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private CdmFetch(int fetchId) {
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this.fetchSum = (int)Math.pow(2, fetchId);
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}
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public void add(CdmFetch cdmFetch) {
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this.fetchSum = (this.fetchSum | cdmFetch.fetchSum);
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}
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public boolean includes(CdmFetch cdmFetch){
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int andFetch = cdmFetch.fetchSum & this.fetchSum;
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if (andFetch == cdmFetch.fetchSum){
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return true;
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}else{
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return false;
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}
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}
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/**
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* @param args
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*/
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public static void main(String[] args) {
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CdmFetch fetch1 = FETCH_DESCRIPTIONS();
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CdmFetch fetch2 = FETCH_MARKER_ALL();
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CdmFetch fetch3 = FETCH_SYNONYMS();
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CdmFetch fetch4 = FETCH_DESCRIPTIONS();
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fetch1.add(fetch2);
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logger.warn(fetch3.includes(fetch1));
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logger.warn(fetch1.includes(fetch2));
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logger.warn(fetch2.includes(fetch1));
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fetch2.add(fetch3);
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logger.warn(fetch2.includes(fetch1));
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fetch2.add(fetch3);
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logger.warn(fetch1.includes(fetch4));
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}
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}
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