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 CdmPreference get(String predicate){
  53         if (preferenceCache.get(predicate) != null){
  54             List<CdmPreference> preferences = preferenceCache.get(predicate);
  55             if (preferenceCache.get(predicate).size() > 1){
  56                 CdmPreference pref = PreferenceResolver.resolve(preferenceCache.get(predicate), CdmPreference.NewKey(PreferenceSubject.NewTaxEditorInstance(), PreferencePredicate.getByKey(predicate)));
  57                 return pref;
  58             }
  59             return preferenceCache.get(predicate).get(0);
  60         }
  61         return null;
  62     }
  63
  64     public List<CdmPreference> getAllForPredicate(String predicate){
  65         if (preferenceCache.get(predicate) != null){
  66             return preferenceCache.get(predicate);
  67
  68         }
  69         return null;
  70     }
  71
  72     //looking for the equal prefkey
  73     public CdmPreference get(PrefKey key){
  74         if (preferenceCache.containsKey(key.getPredicate())){
  75             for (CdmPreference pref: preferenceCache.get(key.getPredicate())){
  76                 System.err.println("pref subject: " + pref.getSubjectString() + "key subject: " +key.getSubject());
  77                 if (pref.getSubjectString().equals(key.getSubject())){
  78                     return pref;
  79                 }
  80             }
  81
  82         }
  83         return null;
  84     }
  85
  86     public void put(CdmPreference pref){
  87         if (preferenceCache.containsKey(pref.getPredicate())){
  88             List<CdmPreference> cachedPreferences = preferenceCache.get(pref.getPredicate());
  89             CdmPreference prefToRemove = null;
  90             for (CdmPreference cachedPref:cachedPreferences){
  91                 if (pref.getKey().equals(cachedPref.getKey())){
  92                     prefToRemove = cachedPref;
  93                 }
  94             }
  95             cachedPreferences.remove(prefToRemove);
  96             cachedPreferences.add(pref);
  97         }else{
  98             List<CdmPreference> prefs = new ArrayList();
  99             prefs.add(pref);
 100             preferenceCache.put(pref.getPredicate(), prefs);
 101         }
 102
 103
 104     }
 105
 106     public void getAllTaxEditorDBPreferences(){
 107         ICdmRepository controller;
 108         controller = CdmStore.getCurrentApplicationConfiguration();
 109         List<CdmPreference> allPreferences = controller.getPreferenceService().list();
 110         preferenceCache.clear();
 111
 112         for (CdmPreference pref: allPreferences){
 113             put(pref);
 114         }
 115
 116         PrefKey key = CdmPreference.NewKey(PreferenceSubject.NewTaxEditorInstance(), PreferencePredicate.AvailableDistributionStatus);
 117
 118         if (get(key) != null){
 119             if (!PreferencesUtil.getBooleanValue(PreferencesUtil.prefOverrideKey(PreferencePredicate.AvailableDistributionStatus.getKey())) || !get(key).isAllowOverride()){
 120                 //get terms for the uuids... and add them to the termManager as preferred terms
 121                 ITermService termService = CdmStore.getService(ITermService.class);
 122                 String[] uuidArray =findBestMatching(key).getValue().split(";");
 123                 List<UUID> uuidList = new ArrayList();
 124                 for (String uuidString:uuidArray){
 125                     try {
 126                         uuidList.add(UUID.fromString(uuidString));
 127                     } catch (Exception e) {
 128                         logger.warn("Preference loading failed", e);
 129                     }
 130                 }
 131
 132                 List<DefinedTermBase> definedTermBases = termService.load(uuidList, null);
 133                 CdmStore.getTermManager().setPreferredTerms(definedTermBases, TermStore.getTerms(TermType.PresenceAbsenceTerm, null));
 134             }
 135         }
 136     }
 137
 138
 139
 140     public CdmPreference findBestMatching(PrefKey key) {
 141         List<CdmPreference> allPrefs = new ArrayList();
 142         for (String predicate: preferenceCache.keySet()){
 143             allPrefs.addAll(preferenceCache.get(predicate));
 144         }
 145        return PreferenceResolver.resolve(allPrefs, key);
 146
 147     }
 148
 149 }