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/**
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*
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*/
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package eu.etaxonomy.cdm.io.common;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Collection;
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import java.util.Set;
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import java.util.UUID;
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import org.apache.log4j.Logger;
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import eu.etaxonomy.cdm.api.service.IService;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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/**
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* @author a.mueller
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*
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*/
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public class MapWrapper<T extends CdmBase> {
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private static Logger logger = Logger.getLogger(MapWrapper.class);
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private Map internalMap;
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private IService<CdmBase> service = null;
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public MapWrapper(IService<CdmBase> service){
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makeNewMap(service);
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}
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public void put(Object id, T cdmBase){
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if (service != null){
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throw new RuntimeException();
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}else{
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internalMap.put(id, cdmBase);
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}
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}
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public void put(Object id, UUID uuid){
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if (service == null){
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throw new RuntimeException();
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}else{
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//TODO
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//service.save(cdmBase);
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internalMap.put(id, uuid);
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}
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}
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public T get(Object id){
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T result;
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if (service == null){
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result = (T)internalMap.get(id);
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}else{
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result = getObjectFromService(id);
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}
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return result;
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}
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/**
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* Returns all values that are either stored in the wrapper or the the database.
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* If <code>service</code> is null then only the elements stored in the wrapper are returned.
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* @return
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*/
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public Set<T> getAllValues(){
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Set<T> result = new HashSet<T>();
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if (service == null){
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result.addAll(internalMap.values());
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}else{
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result.addAll(internalMap.values());
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logger.warn("getAll not yet implemented !!");
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//TODO Set<T> persitentAll = service.getAll();
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//result.addAll(persistentALl);
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}
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return result;
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}
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public boolean containsId(Object id){
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return internalMap.containsKey(id);
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}
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public Collection<T> objects(){
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//TODO from service
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return (Collection<T>)internalMap.values();
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}
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private T getObjectFromService(Object id){
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if (service == null){
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throw new RuntimeException("no service defined");
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}else{
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T result = null;
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UUID uuid = (UUID)internalMap.get(id);
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if (uuid == null){
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result = null;
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}else{
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//logger.warn(uuid);
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//TODO
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//result = (T)service.getObjectUuid(uuid); //.getCdmObjectByUuid(uuid);// taxonService.getTaxonByUuid(taxonUuid);
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}
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return result;
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}
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}
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public boolean makeEmpty(){
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return makeNewMap(service);
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}
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public boolean makeNewMap(IService<CdmBase> service){
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if (service == null){
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internalMap = new HashMap<Integer, CdmBase>();
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}else{
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this.service = service;
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internalMap = new HashMap<Integer, UUID>();
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}
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return true;
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}
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}
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