138 lines
4.2 KiB
Java
138 lines
4.2 KiB
Java
package eu.dnetlib.enabling.is.sn.resourcestate.hib;
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import java.util.Collection;
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import java.util.List;
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import java.util.stream.Collectors;
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import eu.dnetlib.enabling.is.sn.resourcestate.ResourceStateSubscription;
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import eu.dnetlib.enabling.is.sn.resourcestate.ResourceStateSubscriptionDAO;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.hibernate.Criteria;
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import org.hibernate.SessionFactory;
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import org.hibernate.criterion.Example;
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import org.springframework.beans.factory.annotation.Required;
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import org.springframework.transaction.annotation.Transactional;
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/**
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* Hibernate storage for resource state subscriptions.
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*
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* @author marko
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*
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*/
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public class HibernateResourceStateSubscriptionDAOImpl implements ResourceStateSubscriptionDAO {
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private static final Log log = LogFactory.getLog(HibernateResourceStateSubscriptionDAOImpl.class);
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private SessionFactory sessionFactory;
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private Collection<ResourceStateSubscription> transformToSubscription(final List<Object> inputList) {
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return inputList.stream()
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.map(o -> (ResourceStateSubscription) o)
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.collect(Collectors.toList());
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}
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/**
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* {@inheritDoc}
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*
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* @see eu.dnetlib.enabling.is.sn.resourcestate.ResourceStateSubscriptionDAO#listSubscriptions(java.lang.String, java.lang.String,
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* java.lang.String)
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*/
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@Override
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@Transactional(readOnly = true)
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public Collection<ResourceStateSubscription> listSubscriptions(final String prefix, final String resourceType, final String resourceId) {
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final ResourceStateSubscription exampleEntity = new ResourceStateSubscription();
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exampleEntity.setPrefix(prefix);
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exampleEntity.setType(resourceType);
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exampleEntity.setResourceId(resourceId);
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return transformToSubscription(queryByCriteria(exampleEntity));
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}
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/**
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* {@inheritDoc}
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*
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* @see eu.dnetlib.enabling.is.sn.SubscriptionDAO#addSubscription(java.lang.Object)
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*/
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@Override
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@Transactional
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public void addSubscription(final ResourceStateSubscription subscription) {
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log.debug("evict cached subscriptions");
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getSessionFactory().getCurrentSession().save(subscription);
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}
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/**
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* {@inheritDoc}
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*
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* @see eu.dnetlib.enabling.is.sn.SubscriptionDAO#getSubscription(java.lang.String)
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*/
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@Override
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@Transactional(readOnly = true)
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public ResourceStateSubscription getSubscription(final String subscriptionId) {
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return (ResourceStateSubscription) getSessionFactory().getCurrentSession().get(ResourceStateSubscription.class, subscriptionId);
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}
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/**
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* {@inheritDoc}
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*
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* @see eu.dnetlib.enabling.is.sn.SubscriptionDAO#listSubscriptions()
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*/
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@Override
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@SuppressWarnings("unchecked")
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@Transactional(readOnly = true)
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public Collection<ResourceStateSubscription> listSubscriptions() {
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return getSessionFactory().getCurrentSession().createQuery("from subscriptions").list();
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}
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/**
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* {@inheritDoc}
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*
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* @see eu.dnetlib.enabling.is.sn.SubscriptionDAO#listSubscriptions(java.lang.String)
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*/
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@Override
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@Transactional(readOnly = true)
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public Collection<ResourceStateSubscription> listSubscriptions(final String prefix) {
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final ResourceStateSubscription exampleEntity = new ResourceStateSubscription();
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exampleEntity.setPrefix(prefix);
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return transformToSubscription(queryByCriteria(exampleEntity));
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}
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/**
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* {@inheritDoc}
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*
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* @see eu.dnetlib.enabling.is.sn.SubscriptionDAO#removeSubscription(java.lang.String)
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*/
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@Override
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@Transactional
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public boolean removeSubscription(final String subscriptionId) {
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if (StringUtils.isBlank(subscriptionId)) return false;
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final ResourceStateSubscription entity = getSubscription(subscriptionId);
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if (entity == null) return false;
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getSessionFactory().getCurrentSession().delete(entity);
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return true;
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}
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@SuppressWarnings("unchecked")
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private List<Object> queryByCriteria(final ResourceStateSubscription exampleEntity) {
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Criteria criteria = getSessionFactory().getCurrentSession().createCriteria(ResourceStateSubscription.class).add(Example.create(exampleEntity));
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return criteria.list();
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}
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public SessionFactory getSessionFactory() {
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return sessionFactory;
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}
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@Required
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public void setSessionFactory(SessionFactory sessionFactory) {
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this.sessionFactory = sessionFactory;
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}
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}
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