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package eu.etaxonomy.cdm.persistence.hibernate;
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import java.util.Map;
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import org.hibernate.HibernateException;
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import org.hibernate.event.MergeEvent;
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import org.joda.time.DateTime;
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import org.springframework.security.Authentication;
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import org.springframework.security.context.SecurityContextHolder;
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import eu.etaxonomy.cdm.model.common.ICdmBase;
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import eu.etaxonomy.cdm.model.common.IdentifiableEntity;
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import eu.etaxonomy.cdm.model.common.User;
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import eu.etaxonomy.cdm.model.common.VersionableEntity;
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import eu.etaxonomy.cdm.model.name.NonViralName;
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public class MergeEntityListener implements
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org.hibernate.event.MergeEventListener {
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public void onMerge(MergeEvent event) throws HibernateException {
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Object entity = event.getOriginal();
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if (entity != null){
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Class<?> entityClazz = entity.getClass();
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if(ICdmBase.class.isAssignableFrom(entityClazz)) {
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ICdmBase cdmBase = (ICdmBase)entity;
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if(cdmBase.getId() == 0) {
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cdmBase.setCreated(new DateTime());
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Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
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if(authentication != null && authentication.getPrincipal() != null && authentication.getPrincipal() instanceof User) {
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User user = (User)authentication.getPrincipal();
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cdmBase.setCreatedBy(user);
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}
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} else if(VersionableEntity.class.isAssignableFrom(entityClazz)) {
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VersionableEntity versionableEntity = (VersionableEntity)cdmBase;
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versionableEntity.setUpdated(new DateTime());
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Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
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if(authentication != null && authentication.getPrincipal() != null && authentication.getPrincipal() instanceof User) {
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User user = (User)authentication.getPrincipal();
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versionableEntity.setUpdatedBy(user);
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}
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}
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}
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//title cache
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if(IdentifiableEntity.class.isAssignableFrom(entityClazz)) {
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IdentifiableEntity identifiableEntity = (IdentifiableEntity)entity;
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identifiableEntity.getTitleCache();
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}
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//non-viral-name caches
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if(NonViralName.class.isAssignableFrom(entityClazz)) {
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NonViralName nonViralName = (NonViralName)entity;
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nonViralName.getFullTitleCache();
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nonViralName.getAuthorshipCache();
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nonViralName.getNameCache();
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}
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}
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}
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public void onMerge(MergeEvent arg0, Map arg1) throws HibernateException {
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// TODO Auto-generated method stub
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}
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}
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