eu.etaxonomy.taxeditor.cdmlib/src/main/java/eu/etaxonomy/taxeditor/session/NullSession.java

   1 /**
   2 * Copyright (C) 2015 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.session;
  10
  11 import java.util.Collection;
  12 import java.util.List;
  13 import java.util.Map;
  14 import java.util.UUID;
  15
  16 import eu.etaxonomy.cdm.api.service.IService;
  17 import eu.etaxonomy.cdm.api.service.UpdateResult;
  18 import eu.etaxonomy.cdm.cache.EntityCacherDebugResult;
  19 import eu.etaxonomy.cdm.model.common.CdmBase;
  20 import eu.etaxonomy.cdm.persistence.dto.MergeResult;
  21 import net.sf.ehcache.statistics.LiveCacheStatistics;
  22
  23 /**
  24  * @author cmathew
  25  * @date 30 Jul 2015
  26  */
  27 public class NullSession implements ICdmEntitySession {
  28
  29     private ICdmEntitySessionEnabled sessionOwner;
  30     private final CdmEntitySessionManager cdmEntitySessionManager;
  31
  32     public NullSession(ICdmEntitySessionEnabled sessionOwner, CdmEntitySessionManager cdmEntitySessionManager) {
  33         this.sessionOwner = sessionOwner;
  34         this.cdmEntitySessionManager = cdmEntitySessionManager;
  35     }
  36
  37     public void setOwner(ICdmEntitySessionEnabled sessionOwner) {
  38         this.sessionOwner = sessionOwner;
  39     }
  40
  41     @Override
  42     public ICdmEntitySessionEnabled getOwner() {
  43         return sessionOwner;
  44     }
  45
  46     @Override
  47     public LiveCacheStatistics getCacheStatistics() {
  48         return null;
  49     }
  50
  51     @Override
  52     public <O> O load(O obj, boolean update) {
  53         return obj;
  54     }
  55
  56     @Override
  57     public <T extends CdmBase> T load(T cdmBase, boolean update) {
  58         return cdmBase;
  59     }
  60
  61     @Override
  62     public UpdateResult load(UpdateResult updateResult, boolean update) {
  63         return updateResult;
  64     }
  65
  66     @Override
  67     public <T extends CdmBase> EntityCacherDebugResult debug(T cdmBase) {
  68         return null;
  69     }
  70
  71     @Override
  72     public <T extends CdmBase> EntityCacherDebugResult debug(Collection<T> cdmBase, boolean includeIgnored) {
  73         return null;
  74     }
  75
  76     @Override
  77     public <T extends CdmBase> EntityCacherDebugResult debug(boolean includeIgnored) {
  78         return null;
  79     }
  80
  81     @Override
  82     public <T extends CdmBase> Collection<T> load(Collection<T> cdmBaseList, boolean update) {
  83         return cdmBaseList;
  84     }
  85
  86     @Override
  87     public void setEntitiesAsLatest() {
  88
  89     }
  90
  91     @Override
  92     public <T extends CdmBase> Collection<T> getRootEntities() {
  93         return null;
  94     }
  95
  96     @Override
  97     public void dispose() {
  98         cdmEntitySessionManager.remove(sessionOwner);
  99     }
 100
 101     @Override
 102     public void bind() {
 103         cdmEntitySessionManager.bindNullSession();
 104     }
 105
 106     @Override
 107     public <T extends CdmBase> T remoteLoad(IService<T> service, UUID uuid) {
 108         T cdmBase = service.load(uuid);
 109         return load(cdmBase, false);
 110     }
 111
 112     @Override
 113     public <T extends CdmBase> T remoteLoad(IService<T> service, UUID uuid, List<String> propertyPaths) {
 114         T cdmBase = service.load(uuid, propertyPaths);
 115         return load(cdmBase, false);
 116     }
 117
 118     @Override
 119     public <T extends CdmBase> UUID remoteSave(IService<T> service, T cdmBase) {
 120         UUID uuid = service.save(cdmBase).getUuid();
 121         load(cdmBase,false);
 122         return uuid;
 123     }
 124
 125     @Override
 126     public <T extends CdmBase> T remoteUpdate(IService<T> service, T cdmBase) {
 127         T mergedCdmBase = service.merge(cdmBase, true).getMergedEntity();
 128         return mergedCdmBase;
 129     }
 130
 131     @Override
 132     public boolean isActive() {
 133         return cdmEntitySessionManager.getActiveSession() == this;
 134     }
 135
 136     @Override
 137     public <T extends CdmBase> void update() {
 138
 139     }
 140
 141     @Override
 142     public List<String> getPropertyPaths(Object obj) {
 143         if(sessionOwner == null) {
 144             return null;
 145         }
 146         Map<Object, List<String>> propertyPathsMap = sessionOwner.getPropertyPathsMap();
 147         if(propertyPathsMap == null || propertyPathsMap.isEmpty()) {
 148             return null;
 149         }
 150         return propertyPathsMap.get(obj);
 151     }
 152
 153     @Override
 154     public void addNewCdmEntity(CdmBase newEntity) {
 155
 156     }
 157
 158     @Override
 159     public <T extends CdmBase> MergeResult<T> load(MergeResult<T> mergeResult, boolean update) {
 160         return mergeResult;
 161     }
 162
 163 }