Revision b467476c
Added by Katja Luther almost 8 years ago
| cdmlib-persistence/src/main/java/eu/etaxonomy/cdm/persistence/hibernate/PostMergeEntityListener.java | ||
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import org.hibernate.event.spi.MergeEventListener; |
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import eu.etaxonomy.cdm.model.common.CdmBase; |
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import eu.etaxonomy.cdm.model.description.FeatureNode; |
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import eu.etaxonomy.cdm.model.description.FeatureTree; |
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import eu.etaxonomy.cdm.model.description.PolytomousKeyNode; |
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import eu.etaxonomy.cdm.model.taxon.TaxonNode; |
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/** |
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* @author cmathew |
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@Override |
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public void onMerge(MergeEvent event) throws HibernateException {
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Object entity = event.getEntity(); |
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} |
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|
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event.getResult() != null && CdmBase.class.isAssignableFrom(event.getResult().getClass())) {
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CdmBase original = (CdmBase) event.getOriginal(); |
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CdmBase result = (CdmBase) event.getResult(); |
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removeNullFromCollections(result); |
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if(original != null && Hibernate.isInitialized(original) && original.getId() == 0 && |
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result != null && Hibernate.isInitialized(result) && result.getId() > 0) {
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original.setId(result.getId()); |
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} |
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/** |
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* @param entity |
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*/ |
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private static void removeNullFromCollections(Object entity) {
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if (entity != null){
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Class<?> entityClazz = entity.getClass(); |
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if (TaxonNode.class.isAssignableFrom(entityClazz)){
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TaxonNode node = (TaxonNode)entity; |
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node.removeNullValueFromChildren(); |
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}else if(PolytomousKeyNode.class.isAssignableFrom(entityClazz)){
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PolytomousKeyNode node = (PolytomousKeyNode)entity; |
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node.removeNullValueFromChildren(); |
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}else if(FeatureTree.class.isAssignableFrom(entityClazz)){
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FeatureTree tree = (FeatureTree)entity; |
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for (FeatureNode node:tree.getRootChildren()){
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node.removeNullValueFromChildren(); |
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if (node.getChildNodes() != null){
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for (FeatureNode childNode: node.getChildNodes()){
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removeNullFromCollections(childNode); |
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} |
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} |
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} |
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} else if (FeatureNode.class.isAssignableFrom(entityClazz)){
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FeatureNode node = (FeatureNode)entity; |
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node.removeNullValueFromChildren(); |
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} |
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} |
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} |
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} |
Also available in: Unified diff
#5681: move removeNullValueFromCollections to PostMergeEntityListener