cdmlib-services/src/main/java/eu/etaxonomy/cdm/api/service/CommonServiceImpl.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.cdm.api.service;
  12
  13 import java.util.Collection;
  14 import java.util.HashMap;
  15 import java.util.Iterator;
  16 import java.util.List;
  17 import java.util.Map;
  18 import java.util.Set;
  19
  20 import org.apache.log4j.Logger;
  21 import org.springframework.beans.factory.annotation.Autowired;
  22 import org.springframework.stereotype.Service;
  23 import org.springframework.transaction.annotation.Transactional;
  24
  25 import eu.etaxonomy.cdm.api.service.pager.Pager;
  26 import eu.etaxonomy.cdm.model.common.CdmBase;
  27 import eu.etaxonomy.cdm.model.common.CdmMetaData;
  28 import eu.etaxonomy.cdm.model.common.ISourceable;
  29 import eu.etaxonomy.cdm.model.common.IdentifiableEntity;
  30 import eu.etaxonomy.cdm.model.common.OriginalSourceBase;
  31 import eu.etaxonomy.cdm.model.common.CdmMetaData.MetaDataPropertyName;
  32 import eu.etaxonomy.cdm.persistence.dao.common.ICdmGenericDao;
  33 import eu.etaxonomy.cdm.persistence.dao.common.IOriginalSourceDao;
  34 import eu.etaxonomy.cdm.persistence.query.OrderHint;
  35 import eu.etaxonomy.cdm.strategy.match.DefaultMatchStrategy;
  36 import eu.etaxonomy.cdm.strategy.match.IMatchStrategy;
  37 import eu.etaxonomy.cdm.strategy.match.IMatchable;
  38 import eu.etaxonomy.cdm.strategy.match.MatchException;
  39 import eu.etaxonomy.cdm.strategy.merge.DefaultMergeStrategy;
  40 import eu.etaxonomy.cdm.strategy.merge.IMergable;
  41 import eu.etaxonomy.cdm.strategy.merge.IMergeStrategy;
  42 import eu.etaxonomy.cdm.strategy.merge.MergeException;
  43
  44
  45 @Service
  46 @Transactional(readOnly = true)
  47 public class CommonServiceImpl extends ServiceBase<OriginalSourceBase,IOriginalSourceDao> implements ICommonService {
  48         private static final Logger logger = Logger.getLogger(CommonServiceImpl.class);
  49
  50         @Autowired
  51         IOriginalSourceDao originalSourceDao;
  52
  53         @Autowired
  54         ICdmGenericDao genericDao;
  55
  56
  57         @Autowired
  58         protected void setDao(IOriginalSourceDao dao) {
  59                 this.dao = dao;
  60         }
  61
  62         /* (non-Javadoc)
  63          * @see eu.etaxonomy.cdm.api.service.ICommonService#getSourcedObjectById(java.lang.String, java.lang.String)
  64          */
  65         public ISourceable getSourcedObjectByIdInSource(Class clazz, String idInSource, String idNamespace) {
  66                 ISourceable result = null;
  67 //              List<OriginalSource> originalSource = originalSourceDao.findOriginalSourceByIdInSource(idInSource, idNamespace);
  68 //              if (! originalSource.isEmpty()){
  69 //                      result = originalSource.get(0).getSourcedObj();
  70 //              }
  71                 List<IdentifiableEntity> list = originalSourceDao.findOriginalSourceByIdInSource(clazz, idInSource, idNamespace);
  72                 if (! list.isEmpty()){
  73                         result = list.get(0);
  74                 }return result;
  75         }
  76
  77
  78         /* (non-Javadoc)
  79          * @see eu.etaxonomy.cdm.api.service.ICommonService#getReferencingObjects(eu.etaxonomy.cdm.model.common.CdmBase)
  80          */
  81         public Set<CdmBase> getReferencingObjects(CdmBase referencedCdmBase){
  82                 return this.genericDao.getReferencingObjects(referencedCdmBase);
  83         }
  84 //              try {
  85 //                      Set<Class<? extends CdmBase>> allCdmClasses = genericDao.getAllCdmClasses(false); //findAllCdmClasses();
  86 //
  87 //                      referencedCdmBase = (CdmBase)HibernateProxyHelper.deproxy(referencedCdmBase);
  88 //                      Class referencedClass = referencedCdmBase.getClass();
  89 //                      Set<CdmBase> result = new HashSet<CdmBase>();
  90 //                      logger.debug("Referenced Class: " + referencedClass.getName());
  91 //
  92 //                      for (Class<? extends CdmBase> cdmClass : allCdmClasses){
  93 //                              Set<Field> fields = getFields(cdmClass);
  94 //                              for (Field field: fields){
  95 //                                      Class<?> type = field.getType();
  96 //                                      //class
  97 //                                      if (! type.isInterface()){
  98 //                                              if (referencedClass.isAssignableFrom(type)||
  99 //                                                              type.isAssignableFrom(referencedClass) && CdmBase.class.isAssignableFrom(type)){
 100 //                                                      handleSingleClass(referencedClass, type, field, cdmClass, result, referencedCdmBase, false);
 101 //                                              }
 102 //                                      //interface
 103 //                                      }else if (type.isAssignableFrom(referencedClass)){
 104 //                                                      handleSingleClass(referencedClass, type, field, cdmClass, result, referencedCdmBase, false);
 105 //                                      }else if (Collection.class.isAssignableFrom(type)){
 106 //
 107 //                                              if (checkIsSetOfType(field, referencedClass, type) == true){
 108 //                                                      handleSingleClass(referencedClass, type, field, cdmClass, result, referencedCdmBase, true);
 109 //                                              }
 110 //                                      }
 111 ////                            Class[] interfaces = referencedClass.getInterfaces();
 112 ////                            for (Class interfaze: interfaces){
 113 ////                                    if (interfaze == type){
 114 //////                                  if(interfaze.isAssignableFrom(returnType)){
 115 ////                                            handleSingleClass(interfaze, type, field, cdmClass, result, referencedCdmBase);
 116 ////                                    }
 117 ////                            }
 118 //                              }
 119 //                      }
 120 //                      return result;
 121 //              } catch (Exception e) {
 122 //                      e.printStackTrace();
 123 //                      throw new RuntimeException(e);
 124 //              }
 125 //
 126 //      }
 127 //
 128 //      private boolean checkIsSetOfType(Field field, Class referencedClass, Class<?> type){
 129 //              Type genericType = (ParameterizedTypeImpl)field.getGenericType();
 130 //              if (genericType instanceof ParameterizedTypeImpl){
 131 //                      ParameterizedTypeImpl paraType = (ParameterizedTypeImpl)genericType;
 132 //                      paraType.getRawType();
 133 //                      Type[] arguments = paraType.getActualTypeArguments();
 134 //                      //logger.debug(arguments.length);
 135 //                      if (arguments.length == 1){
 136 //                              Class collectionClass;
 137 //                              try {
 138 //                                      if (arguments[0] instanceof Class){
 139 //                                              collectionClass = (Class)arguments[0];
 140 //                                      }else if(arguments[0] instanceof TypeVariableImpl){
 141 //                                              TypeVariableImpl typeVariable = (TypeVariableImpl)arguments[0];
 142 //                                              GenericDeclaration genericDeclaration = typeVariable.getGenericDeclaration();
 143 //                                              collectionClass = (Class)genericDeclaration;
 144 //                                      }else{
 145 //                                              logger.warn("Unknown Type");
 146 //                                              return false;
 147 //                                      }
 148 //                                      if (CdmBase.class.isAssignableFrom(collectionClass) && collectionClass.isAssignableFrom(referencedClass)  ){
 149 //                                              return true;
 150 //                                      }
 151 //                              } catch (Exception e) {
 152 //                                      logger.warn(e.getMessage());
 153 //                              }
 154 //                      }else{
 155 //                              logger.warn("Length of arguments <> 1");
 156 //                      }
 157 //              }else{
 158 //                      logger.warn("Not a generic type of type ParameterizedTypeImpl");
 159 //              }
 160 //              return false;
 161 //      }
 162 //
 163 //
 164 //
 165 //
 166 //      private boolean handleSingleClass(Class itemClass, Class type, Field field, Class cdmClass, Set<CdmBase> result,CdmBase value, boolean isCollection){
 167 //              if (! Modifier.isStatic(field.getModifiers())){
 168 //                      String methodName = StringUtils.rightPad(field.getName(), 30);
 169 //                      String className = StringUtils.rightPad(cdmClass.getSimpleName(), 30);
 170 //                      String returnTypeName = StringUtils.rightPad(type.getSimpleName(), 30);
 171 //
 172 //                      logger.debug(methodName +   "\t\t" + className + "\t\t" + returnTypeName);
 173 ////                    result_old.add(method);
 174 //                      result.addAll(getCdmBasesByFieldAndClass(field, itemClass, cdmClass, value, isCollection));
 175 //              }
 176 //              return true;
 177 //      }
 178 //
 179 //      private Set<Field> getFields(Class clazz){
 180 //              Set<Field> result = new HashSet<Field>();
 181 //              for (Field field: clazz.getDeclaredFields()){
 182 //                      if (!Modifier.isStatic(field.getModifiers())){
 183 //                              result.add(field);
 184 //                      }
 185 //              }
 186 //              Class superclass = clazz.getSuperclass();
 187 //              if (CdmBase.class.isAssignableFrom(superclass)){
 188 //                      result.addAll(getFields(superclass));
 189 //              }
 190 //              return result;
 191 //      }
 192 //
 193 //      private Set<CdmBase> getCdmBasesByFieldAndClass(Field field, Class itemClass, Class otherClazz, CdmBase item, boolean isCollection){
 194 //              Set<CdmBase> result = new HashSet<CdmBase>();
 195 //              if (isCollection){
 196 //                      result.addAll(genericDao.getCdmBasesWithItemInCollection(itemClass, otherClazz, field.getName(), item));
 197 //              }else{
 198 //                      result.addAll(genericDao.getCdmBasesByFieldAndClass(otherClazz, field.getName(), item));
 199 //              }
 200 //              return result;
 201 //      }
 202
 203         public List getHqlResult(String hqlQuery){
 204                 return genericDao.getHqlResult(hqlQuery);
 205         }
 206
 207         /* (non-Javadoc)
 208          * @see eu.etaxonomy.cdm.api.service.ICommonService#merge(eu.etaxonomy.cdm.strategy.merge.IMergable, eu.etaxonomy.cdm.strategy.merge.IMergable, eu.etaxonomy.cdm.strategy.merge.IMergeStragegy)
 209          */
 210         public <T extends IMergable> void merge(T mergeFirst, T mergeSecond, IMergeStrategy mergeStrategy) throws MergeException {
 211                 if (mergeStrategy == null){
 212                         mergeStrategy = DefaultMergeStrategy.NewInstance(((CdmBase)mergeFirst).getClass());
 213                 }
 214                 genericDao.merge((CdmBase)mergeFirst, (CdmBase)mergeSecond, mergeStrategy);
 215         }
 216
 217
 218         public <T extends IMatchable> List<T> findMatching(T objectToMatch, IMatchStrategy matchStrategy) throws MatchException {
 219                 if (matchStrategy == null){
 220                         matchStrategy = DefaultMatchStrategy.NewInstance(((objectToMatch).getClass()));
 221                 }
 222                 return genericDao.findMatching(objectToMatch, matchStrategy);
 223         }
 224
 225
 226
 227         /* (non-Javadoc)
 228          * @see eu.etaxonomy.cdm.api.service.IService#list(java.lang.Class, java.lang.Integer, java.lang.Integer, java.util.List, java.util.List)
 229          */
 230         public <TYPE extends OriginalSourceBase> Pager<TYPE> list(Class<TYPE> type,
 231                         Integer pageSize, Integer pageNumber, List<OrderHint> orderHints,
 232                         List<String> propertyPaths) {
 233                 logger.warn("Not yet implemented");
 234                 return null;
 235         }
 236
 237         /* (non-Javadoc)
 238          * @see eu.etaxonomy.cdm.api.service.ICommonService#saveAll(java.util.Collection)
 239          */
 240         @Transactional(readOnly = false)
 241         public void saveAllMetaData(Collection<CdmMetaData> metaData) {
 242                 Iterator<CdmMetaData> iterator = metaData.iterator();
 243                 while(iterator.hasNext()){
 244                         CdmMetaData cdmMetaData = iterator.next();
 245                         genericDao.saveMetaData(cdmMetaData);
 246                 }
 247         }
 248
 249         /* (non-Javadoc)
 250          * @see eu.etaxonomy.cdm.api.service.ICommonService#getCdmMetaData()
 251          */
 252         public Map<MetaDataPropertyName, CdmMetaData> getCdmMetaData() {
 253                 Map<MetaDataPropertyName, CdmMetaData> result = new HashMap<MetaDataPropertyName, CdmMetaData>();
 254                 List<CdmMetaData> metaDataList = genericDao.getMetaData();
 255                 for (CdmMetaData metaData : metaDataList){
 256                         MetaDataPropertyName propertyName = metaData.getPropertyName();
 257                         result.put(propertyName, metaData);
 258                 }
 259                 return result;
 260         }
 261
 262
 263
 264
 265 }