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Revision 8de80607

Added by Andreas Kohlbecker almost 13 years ago

fixing #1925 (CICHORIEAE taxon tree order of taxa and bastards)
and also moving ITaxonNodeComparator into model

View differences:

cdmlib-model/src/main/java/eu/etaxonomy/cdm/model/taxon/TaxonComparator.java
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/**


  		




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 * This class makes available a method to compare two {@link TaxonBase taxa} by


  		




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 * comparing the publication dates of the corresponding {@link eu.etaxonomy.cdm.model.name.TaxonNameBase taxon names}.


  		




  
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 * comparing the publication dates of the corresponding 


  		




  
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 * {@link eu.etaxonomy.cdm.model.name.TaxonNameBase taxon names}.


  		




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 *


  		




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 * @author a.mueller


  		




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 * @created 11.06.2008


  		




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     * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)


  		




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     */


  		




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    /**


  		




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     * Returns an integer generated by comparing the {@link eu.etaxonomy.cdm.model.name.INomenclaturalReference#getYear() publication years}


  		




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     * of both {@link eu.etaxonomy.cdm.model.name.TaxonNameBase taxon names} used in the given {@link TaxonBase taxa}.


  		




  
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     * Returns an integer generated by comparing the 


  		




  
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     * {@link eu.etaxonomy.cdm.model.name.INomenclaturalReference#getYear() publication years}


  		




  
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     * of both {@link eu.etaxonomy.cdm.model.name.TaxonNameBase taxon names} 


  		




  
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     * used in the given {@link TaxonBase taxa}.


  		




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     * Returns a negative value if the publication year corresponding to the


  		




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     * first given taxon precedes the publication year corresponding to the


  		




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     * second given taxon. Returns a positive value if the contrary is true and


  		




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     * 0 if both publication years and the date, when they are created, are identical. In case one of the publication


  		




  
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     * 0 if both publication years and the date, when they are created, are identical. 


  		




  
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     * In case one of the publication


  		




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     * years is "null" and the other is not, the "empty" publication year will


  		




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     * be considered to be always preceded by the "not null" publication year.


  		




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     * If both publication years are "null" the creation date is used for the comparison


  		












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