225 lines
6.0 KiB
Java
225 lines
6.0 KiB
Java
package org.gcube.portlets.user.speciesdiscovery.server.persistence.dao;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import javax.persistence.EntityManager;
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import javax.persistence.EntityManagerFactory;
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import javax.persistence.Query;
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import javax.persistence.TypedQuery;
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import javax.persistence.criteria.CriteriaBuilder;
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import javax.persistence.criteria.CriteriaQuery;
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import javax.persistence.criteria.Root;
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import org.gcube.portlets.user.speciesdiscovery.shared.DatabaseServiceException;
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import org.gcube.portlets.user.speciesdiscovery.shared.TaxonomyRow;
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public class TaxonomyRowPersistence extends AbstractPersistence<TaxonomyRow>{
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public TaxonomyRowPersistence(EntityManagerFactory factory) {
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super(factory);
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}
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@Override
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public int removeAll() throws DatabaseServiceException{
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EntityManager em = super.createNewManager();
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int removed = 0;
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try {
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em.getTransaction().begin();
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removed = em.createQuery("DELETE FROM TaxonomyRow").executeUpdate();
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em.getTransaction().commit();
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logger.trace("DELETED FROM TaxonomyRow " + removed +" items");
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} catch (Exception e) {
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logger.error("Error in TaxonomyRow - removeAll: " + e.getMessage(), e);
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} finally {
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em.close();
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}
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return removed;
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}
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@Override
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public List<TaxonomyRow> getList() throws DatabaseServiceException{
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EntityManager em = super.createNewManager();
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List<TaxonomyRow> listTaxonomy = new ArrayList<TaxonomyRow>();
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try {
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Query query = em.createQuery("select t from TaxonomyRow t");
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listTaxonomy = query.getResultList();
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} catch (Exception e) {
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logger.error("Error in TaxonomyRow - getList: " + e.getMessage(), e);
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} finally {
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em.close();
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}
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return listTaxonomy;
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}
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@Override
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public int countItems() throws DatabaseServiceException{
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Map<String, String> filterAndMap = new HashMap<String, String>();
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filterAndMap.put(TaxonomyRow.IS_PARENT, "false");
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return getList(filterAndMap,-1,-1).size();
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}
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@Override
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public TaxonomyRow getItemByKey(Integer id) throws DatabaseServiceException{
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logger.trace("getItemByKey id: "+id);
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EntityManager em = super.createNewManager();
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TaxonomyRow row = null;
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try {
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row = em.getReference(TaxonomyRow.class, id);
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}catch (Exception e) {
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logger.error("An error occurred in TaxonomyRow - getItemByKey ",e);
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} finally {
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em.close();
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}
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if(row!=null)
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logger.trace("getItemByKey return row: "+row.getId() + ", service id: " + row.getServiceId());
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else
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logger.trace("getItemByKey return null");
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//FOR DEBUG
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// System.out.println("getItemByKey return: "+row );
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return row;
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}
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@Override
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public List<TaxonomyRow> executeCriteriaQuery(CriteriaQuery<Object> criteriaQuery) throws DatabaseServiceException{
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EntityManager em = super.createNewManager();
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List<TaxonomyRow> listTaxonomyRow = new ArrayList<TaxonomyRow>();
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try {
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Query query = em.createQuery(criteriaQuery);
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listTaxonomyRow = query.getResultList();
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}catch (Exception e) {
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logger.error("An error occurred in TaxonomyRow - executeCriteriaQuery ",e);
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} finally {
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em.close();
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}
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return listTaxonomyRow;
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}
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@Override
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public CriteriaBuilder getCriteriaBuilder() throws DatabaseServiceException{
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return createNewManager().getCriteriaBuilder();
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}
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@Override
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public Root<TaxonomyRow> rootFrom(CriteriaQuery<Object> cq) {
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return cq.from(TaxonomyRow.class);
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}
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@Override
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public List<TaxonomyRow> getList(int startIndex, int offset) throws DatabaseServiceException {
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EntityManager em = super.createNewManager();
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List<TaxonomyRow> listTaxonomyRow = new ArrayList<TaxonomyRow>();
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try {
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Query query = em.createQuery("select t from TaxonomyRow t");
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query.setFirstResult(startIndex);
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query.setMaxResults(offset);
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listTaxonomyRow = query.getResultList();
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}catch (Exception e) {
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logger.error("An error occurred in TaxonomyRow - get List ",e);
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}
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finally {
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em.close();
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}
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return listTaxonomyRow;
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}
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@Override
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public List<TaxonomyRow> getList(Map<String, String> filterMap, int startIndex, int offset) throws DatabaseServiceException{
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EntityManager em = super.createNewManager();
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List<TaxonomyRow> listTaxonomyRow = new ArrayList<TaxonomyRow>();
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try {
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String queryString = "select t from TaxonomyRow t";
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if(filterMap!=null && filterMap.size()>0){
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queryString+=" where ";
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for (String param : filterMap.keySet()) {
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String value = filterMap.get(param);
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queryString+=" t."+param+"="+value;
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queryString+=AND;
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}
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queryString = queryString.substring(0, queryString.lastIndexOf(AND));
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}
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Query query = em.createQuery(queryString);
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if(startIndex>-1)
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query.setFirstResult(startIndex);
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if(offset>-1)
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query.setMaxResults(offset);
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listTaxonomyRow = query.getResultList();
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}catch (Exception e) {
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logger.error("An error occurred in TaxonomyRow - get List ",e);
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} finally {
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em.close();
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}
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return listTaxonomyRow;
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}
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@Override
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public List<TaxonomyRow> executeTypedQuery(CriteriaQuery cq, int startIndex, int offset) throws DatabaseServiceException{
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EntityManager em = super.createNewManager();
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List<TaxonomyRow> listOJ = new ArrayList<TaxonomyRow>();
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try {
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TypedQuery typedQuery = em.createQuery(cq);
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if(startIndex>-1)
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typedQuery.setFirstResult(startIndex);
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if(offset>-1)
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typedQuery.setMaxResults(offset);
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listOJ = typedQuery.getResultList();
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}catch (Exception e) {
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logger.error("An error occurred in TaxonomyRow - executeTypedQuery ",e);
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} finally {
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em.close();
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}
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return listOJ;
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}
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@Override
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public int deleteItemByIdField(String idField) throws DatabaseServiceException{
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EntityManager em = super.createNewManager();
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int removed = 0;
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try {
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em.getTransaction().begin();
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removed = em.createQuery("DELETE FROM TaxonomyRow t WHERE t."+TaxonomyRow.ID_FIELD+"='"+idField+"'").executeUpdate();
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em.getTransaction().commit();
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logger.trace("Item "+ idField + " was deleted from TaxonomyRow");
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} catch (Exception e) {
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logger.error("Error in TaxonomyRow deleteJobById: " + e.getMessage(), e);
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} finally {
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em.close();
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}
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return removed;
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}
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} |