cdmlib-services/src/main/java/eu/etaxonomy/cdm/api/cache/CdmTermCacher.java

   1 /**
   2 * Copyright (C) 2014 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.cdm.api.cache;
  10
  11 import java.util.UUID;
  12
  13 import org.springframework.beans.factory.annotation.Autowired;
  14 import org.springframework.stereotype.Component;
  15
  16 import eu.etaxonomy.cdm.api.service.ITermService;
  17 import eu.etaxonomy.cdm.model.common.CdmBase;
  18 import eu.etaxonomy.cdm.model.term.DefinedTermBase;
  19
  20 /**
  21  * CDM Entity Cacher class which handles the caching of Defined Terms.
  22  *
  23  * @author cmathew
  24  */
  25 @Component
  26 public class CdmTermCacher extends CdmCacherBase {
  27
  28         @Autowired
  29         private ITermService termService;
  30
  31         @Override
  32         protected void setup() {
  33         DefinedTermBase.setCacher(this);
  34         }
  35
  36         @Override
  37         protected  CdmBase findByUuid(UUID uuid) {
  38                 return termService.findWithoutFlush(uuid);
  39         }
  40
  41     @Override
  42     public boolean isCachable(CdmBase cdmEntity) {
  43         if(cdmEntity != null && cdmEntity instanceof DefinedTermBase) {
  44             return true;
  45         }
  46         return false;
  47     }
  48
  49     @Override
  50     public <T extends CdmBase> T load(T cdmEntity) {
  51
  52         T cachedCdmEntity = getFromCache(cdmEntity);
  53         if(cachedCdmEntity == null && isCachable(cdmEntity)) {
  54             putToCache(cdmEntity);
  55             cachedCdmEntity = cdmEntity;
  56         }
  57         return cachedCdmEntity;
  58     }
  59 }