eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/preference/CdmPreferenceCache.java

   1 /**
   2 * Copyright (C) 2018 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.taxeditor.preference;
  10
  11 import java.util.ArrayList;
  12 import java.util.HashMap;
  13 import java.util.List;
  14 import java.util.Map;
  15 import java.util.UUID;
  16
  17 import org.apache.log4j.Logger;
  18
  19 import eu.etaxonomy.cdm.api.application.ICdmRepository;
  20 import eu.etaxonomy.cdm.api.service.ITermService;
  21 import eu.etaxonomy.cdm.model.metadata.CdmPreference;
  22 import eu.etaxonomy.cdm.model.metadata.CdmPreference.PrefKey;
  23 import eu.etaxonomy.cdm.model.metadata.PreferencePredicate;
  24 import eu.etaxonomy.cdm.model.metadata.PreferenceResolver;
  25 import eu.etaxonomy.cdm.model.metadata.PreferenceSubject;
  26 import eu.etaxonomy.cdm.model.term.DefinedTermBase;
  27 import eu.etaxonomy.cdm.model.term.TermType;
  28 import eu.etaxonomy.taxeditor.store.CdmStore;
  29 import eu.etaxonomy.taxeditor.store.TermStore;
  30
  31 /**
  32  * @author k.luther
  33  * @since 27.04.2018
  34  *
  35  */
  36 public class CdmPreferenceCache {
  37     Map<String,List<CdmPreference>> preferenceCache = new HashMap();
  38
  39     private static CdmPreferenceCache instance;
  40
  41     private final static Logger logger = Logger.getLogger(CdmPreferenceCache.class);
  42
  43
  44
  45     public static CdmPreferenceCache instance(){
  46         if(instance == null){
  47             instance = new CdmPreferenceCache();
  48         }
  49         return instance;
  50     }
  51
  52     public List<CdmPreference> get(String predicate){
  53         return preferenceCache.get(predicate);
  54     }
  55 //    public Collection<CdmPreference> get(PrefKey key){
  56 //        if (preferenceCache.containsKey(key.getPredicate())){
  57 //            if (key.getSubject() != null){
  58 //                Set<CdmPreference> result = new HashSet();
  59 //                result.add(preferenceCache.get(key.getPredicate()).get(key.getSubject()));
  60 //                return result;
  61 //            }else{
  62 //                if (!preferenceCache.get(key.getPredicate()).values().isEmpty()){
  63 //                    return preferenceCache.get(key.getPredicate()).values();
  64 //                }
  65 //            }
  66 //        }
  67 //        return null;
  68 //    }
  69
  70     public void put(CdmPreference pref){
  71         if (preferenceCache.containsKey(pref.getPredicate())){
  72             preferenceCache.get(pref.getPredicate()).add(pref);
  73         }else{
  74             List<CdmPreference> prefs = new ArrayList();
  75             prefs.add(pref);
  76             preferenceCache.put(pref.getPredicate(), prefs);
  77         }
  78
  79
  80     }
  81
  82     public void getAllTaxEditorDBPreferences(){
  83         ICdmRepository controller;
  84         controller = CdmStore.getCurrentApplicationConfiguration();
  85         List<CdmPreference> allPreferences = controller.getPreferenceService().list();
  86         preferenceCache.clear();
  87
  88         for (CdmPreference pref: allPreferences){
  89             put(pref);
  90         }
  91
  92         PrefKey key = CdmPreference.NewKey(PreferenceSubject.NewTaxEditorInstance(), PreferencePredicate.AvailableDistributionStatus);
  93
  94         if (findBestMatching(key) != null){
  95             if (!PreferencesUtil.getBooleanValue(PreferencesUtil.prefOverrideKey(PreferencePredicate.AvailableDistributionStatus.getKey())) || !findBestMatching(key).isAllowOverride()){
  96                 //get terms for the uuids... and add them to the termManager as preferred terms
  97                 ITermService termService = CdmStore.getService(ITermService.class);
  98                 String[] uuidArray =findBestMatching(key).getValue().split(";");
  99                 List<UUID> uuidList = new ArrayList();
 100                 for (String uuidString:uuidArray){
 101                     try {
 102                         uuidList.add(UUID.fromString(uuidString));
 103                     } catch (Exception e) {
 104                         logger.warn("Preference loading failed", e);
 105                     }
 106                 }
 107
 108                 List<DefinedTermBase> definedTermBases = termService.load(uuidList, null);
 109                 CdmStore.getTermManager().setPreferredTerms(definedTermBases, TermStore.getTerms(TermType.PresenceAbsenceTerm, null));
 110             }
 111         }
 112     }
 113
 114
 115
 116     public CdmPreference findBestMatching(PrefKey key) {
 117         List<CdmPreference> allPrefs = new ArrayList();
 118         for (String predicate: preferenceCache.keySet()){
 119             allPrefs.addAll(preferenceCache.get(predicate));
 120         }
 121        return PreferenceResolver.resolve(allPrefs, key);
 122
 123     }
 124
 125 }