Java tutorial
// license-header java merge-point // // Attention: Generated code! Do not modify by hand! // Generated by: hibernate/SpringHibernateDaoBase.vsl in andromda-spring-cartridge. // package com.algoTrader.entity.marketData; import com.algoTrader.PrincipalStore; import com.algoTrader.PropertySearch; import com.algoTrader.Search; import java.security.Principal; import java.util.Collection; import java.util.LinkedHashSet; import java.util.List; import java.util.Set; import org.andromda.spring.PaginationResult; import org.apache.commons.collections.CollectionUtils; import org.apache.commons.collections.Transformer; import org.hibernate.Criteria; import org.hibernate.HibernateException; import org.hibernate.Query; import org.hibernate.ScrollableResults; import org.hibernate.Session; import org.springframework.orm.hibernate3.HibernateCallback; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; /** * <p> * Base Spring DAO Class: is able to create, update, remove, load, and find * objects of type <code>GenericMarketDataEvent</code>. * </p> * * @see GenericMarketDataEvent */ public abstract class GenericMarketDataEventDaoBase extends HibernateDaoSupport implements GenericMarketDataEventDao { /** * {@inheritDoc} */ @Override public Object get(final int transform, final int id) { final Object entity = this.getHibernateTemplate().get(GenericMarketDataEventImpl.class, new Integer(id)); return transformEntity(transform, (GenericMarketDataEvent) entity); } /** * {@inheritDoc} */ @Override public GenericMarketDataEvent get(int id) { return (GenericMarketDataEvent) this.get(TRANSFORM_NONE, id); } /** * {@inheritDoc} */ @Override public Object load(final int transform, final int id) { final Object entity = this.getHibernateTemplate().get(GenericMarketDataEventImpl.class, new Integer(id)); return transformEntity(transform, (GenericMarketDataEvent) entity); } /** * {@inheritDoc} */ @Override public GenericMarketDataEvent load(int id) { return (GenericMarketDataEvent) this.load(TRANSFORM_NONE, id); } /** * {@inheritDoc} */ @Override @SuppressWarnings({ "unchecked" }) public Collection<GenericMarketDataEvent> loadAll() { return (Collection<GenericMarketDataEvent>) this.loadAll(GenericMarketDataEventDao.TRANSFORM_NONE); } /** * {@inheritDoc} */ @Override public Collection<?> loadAll(final int transform) { return this.loadAll(transform, -1, -1); } /** * {@inheritDoc} */ @Override public Collection<?> loadAll(final int pageNumber, final int pageSize) { return this.loadAll(GenericMarketDataEventDao.TRANSFORM_NONE, pageNumber, pageSize); } /** * {@inheritDoc} */ @Override public Collection<?> loadAll(final int transform, final int pageNumber, final int pageSize) { try { final Criteria criteria = this.getSession(false).createCriteria(GenericMarketDataEventImpl.class); if (pageNumber > 0 && pageSize > 0) { criteria.setFirstResult(this.calculateFirstResult(pageNumber, pageSize)); criteria.setMaxResults(pageSize); } final Collection<?> results = criteria.list(); this.transformEntities(transform, results); return results; } catch (HibernateException ex) { throw super.convertHibernateAccessException(ex); } } /** * firstResult = (pageNumber - 1) * pageSize * @param pageNumber * @param pageSize * @return firstResult */ protected int calculateFirstResult(int pageNumber, int pageSize) { int firstResult = 0; if (pageNumber > 0) { firstResult = (pageNumber - 1) * pageSize; } return firstResult; } /** * {@inheritDoc} */ @Override public void update(GenericMarketDataEvent genericMarketDataEvent) { if (genericMarketDataEvent == null) { throw new IllegalArgumentException( "GenericMarketDataEvent.update - 'genericMarketDataEvent' can not be null"); } this.getHibernateTemplate().update(genericMarketDataEvent); } /** * {@inheritDoc} */ @Override public void update(final Collection<GenericMarketDataEvent> entities) { if (entities == null) { throw new IllegalArgumentException("GenericMarketDataEvent.update - 'entities' can not be null"); } this.getHibernateTemplate().executeWithNativeSession(new HibernateCallback() { public Object doInHibernate(Session session) throws HibernateException { for (GenericMarketDataEvent entity : entities) { update(entity); } return null; } }); } /** * {@inheritDoc} */ @Override public void remove(GenericMarketDataEvent genericMarketDataEvent) { if (genericMarketDataEvent == null) { throw new IllegalArgumentException( "GenericMarketDataEvent.remove - 'genericMarketDataEvent' can not be null"); } this.getHibernateTemplate().delete(genericMarketDataEvent); } /** * {@inheritDoc} */ @Override public void remove(int id) { GenericMarketDataEvent entity = this.get(id); if (entity != null) { this.remove(entity); } } /** * {@inheritDoc} */ @Override public void remove(Collection<GenericMarketDataEvent> entities) { if (entities == null) { throw new IllegalArgumentException("GenericMarketDataEvent.remove - 'entities' can not be null"); } this.getHibernateTemplate().deleteAll(entities); } /** * Allows transformation of entities into value objects * (or something else for that matter), when the <code>transform</code> * flag is set to one of the constants defined in <code>GenericMarketDataEventDao</code>, please note * that the {@link #TRANSFORM_NONE} constant denotes no transformation, so the entity itself * will be returned. * * If the integer argument value is unknown {@link #TRANSFORM_NONE} is assumed. * * @param transform one of the constants declared in {@link GenericMarketDataEventDao} * @param entity an entity that was found * @return the transformed entity (i.e. new value object, etc) * @see GenericMarketDataEventDao#transformEntity(int, GenericMarketDataEvent) */ public Object transformEntity(final int transform, final GenericMarketDataEvent entity) { Object target = null; if (entity != null) { switch (transform) { case GenericMarketDataEventDao.TRANSFORM_NONE: // fall-through default: target = entity; } } return target; } /** * {@inheritDoc} */ @Override public void transformEntities(final int transform, final Collection<?> entities) { switch (transform) { case GenericMarketDataEventDao.TRANSFORM_NONE: // fall-through default: // do nothing; } } /** * @see GenericMarketDataEventDao#toEntities(Collection) */ public void toEntities(final Collection<?> results) { if (results != null) { CollectionUtils.transform(results, this.ENTITYTRANSFORMER); } } /** * This anonymous transformer is designed to transform report query results * (which result in an array of entities) to {@link GenericMarketDataEvent} * using the Jakarta Commons-Collections Transformation API. */ private Transformer ENTITYTRANSFORMER = new Transformer() { public Object transform(Object input) { Object result = null; if (input instanceof Object[]) { result = toEntity((Object[]) input); } else if (input instanceof GenericMarketDataEvent) { result = input; } return result; } }; /** * @param row * @return GenericMarketDataEvent */ protected GenericMarketDataEvent toEntity(Object[] row) { GenericMarketDataEvent target = null; if (row != null) { final int numberOfObjects = row.length; for (int ctr = 0; ctr < numberOfObjects; ctr++) { final Object object = row[ctr]; if (object instanceof GenericMarketDataEvent) { target = (GenericMarketDataEvent) object; break; } } } return target; } /** * Gets the current <code>principal</code> if one has been set, * otherwise returns <code>null</code>. * * @return the current principal */ protected Principal getPrincipal() { return PrincipalStore.get(); } /** * {@inheritDoc} */ @Override @SuppressWarnings({ "unchecked" }) public PaginationResult search(final int transform, final int pageNumber, final int pageSize, final Search search) { try { search.setPageNumber(pageNumber); search.setPageSize(pageSize); final PropertySearch propertySearch = new PropertySearch(this.getSession(false), GenericMarketDataEventImpl.class, search); final List results = propertySearch.executeAsList(); this.transformEntities(transform, results); return new PaginationResult(results.toArray(new Object[results.size()]), propertySearch.getTotalCount()); } catch (HibernateException ex) { throw super.convertHibernateAccessException(ex); } } /** * {@inheritDoc} */ @Override public PaginationResult search(final int pageNumber, final int pageSize, final Search search) { return this.search(GenericMarketDataEventDao.TRANSFORM_NONE, pageNumber, pageSize, search); } /** * {@inheritDoc} */ @Override public Set<?> search(final int transform, final Search search) { try { final PropertySearch propertySearch = new PropertySearch(this.getSession(false), GenericMarketDataEventImpl.class, search); final Set<?> results = propertySearch.executeAsSet(); this.transformEntities(transform, results); return results; } catch (HibernateException ex) { throw super.convertHibernateAccessException(ex); } } /** * {@inheritDoc} */ @Override @SuppressWarnings("unchecked") public Set<GenericMarketDataEvent> search(final Search search) { return (Set<GenericMarketDataEvent>) this.search(GenericMarketDataEventDao.TRANSFORM_NONE, search); } /** * Executes and returns the given Hibernate queryObject as a {@link PaginationResult} instance. * @param queryObject * @param transform * @param pageNumber * @param pageSize * @return PaginationResult */ @SuppressWarnings({ "unchecked" }) protected PaginationResult getPaginationResult(final Query queryObject, final int transform, int pageNumber, int pageSize) { try { final ScrollableResults scrollableResults = queryObject.scroll(); scrollableResults.last(); int totalCount = scrollableResults.getRowNumber(); totalCount = totalCount >= 0 ? totalCount + 1 : 0; if (pageNumber > 0 && pageSize > 0) { queryObject.setFirstResult(this.calculateFirstResult(pageNumber, pageSize)); queryObject.setMaxResults(pageSize); } // Unchecked transformation because Set object is reused, cannot be strongly typed. Set results = new LinkedHashSet(queryObject.list()); transformEntities(transform, results); return new PaginationResult(results.toArray(new Object[results.size()]), totalCount); } catch (HibernateException ex) { throw super.convertHibernateAccessException(ex); } } // spring-hibernate-dao-base merge-point }