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[Fix #83] Implement dao layer for fetching ManagedEntity and FaultTre…
…eSummary properties.
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101 changes: 101 additions & 0 deletions
101
src/main/java/cz/cvut/kbss/analysis/dao/ManagedEntityDao.java
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package cz.cvut.kbss.analysis.dao; | ||
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import cz.cvut.kbss.analysis.config.conf.PersistenceConf; | ||
import cz.cvut.kbss.analysis.exception.PersistenceException; | ||
import cz.cvut.kbss.analysis.model.*; | ||
import cz.cvut.kbss.analysis.service.IdentifierService; | ||
import cz.cvut.kbss.analysis.service.security.SecurityUtils; | ||
import cz.cvut.kbss.analysis.util.Vocabulary; | ||
import cz.cvut.kbss.jopa.model.EntityManager; | ||
import cz.cvut.kbss.jopa.model.descriptors.EntityDescriptor; | ||
import cz.cvut.kbss.jopa.model.metamodel.Attribute; | ||
import cz.cvut.kbss.jopa.model.metamodel.EntityType; | ||
import cz.cvut.kbss.jopa.vocabulary.DC; | ||
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import java.net.URI; | ||
import java.util.Date; | ||
import java.util.List; | ||
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public class ManagedEntityDao<T extends ManagedEntity> extends NamedEntityDao<T>{ | ||
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public static URI P_CREATED = URI.create(DC.Terms.CREATED); | ||
public static URI P_MODIFIED = URI.create(DC.Terms.MODIFIED); | ||
public static URI P_CREATOR = URI.create( DC.Terms.CREATOR); | ||
public static URI P_LAST_EDITOR = URI.create(Vocabulary.s_c_editor); | ||
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protected ManagedEntityDao(Class<T> type, EntityManager em, PersistenceConf config, IdentifierService identifierService) { | ||
super(type, em, config, identifierService); | ||
} | ||
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@Override | ||
protected void setEntityDescriptor(EntityDescriptor descriptor) { | ||
EntityType<ManagedEntity> ft = em.getMetamodel().entity(ManagedEntity.class); | ||
Attribute creator = ft.getAttribute("creator"); | ||
Attribute lastEditor = ft.getAttribute("lastEditor"); | ||
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descriptor.addAttributeContext(creator, null); | ||
descriptor.addAttributeContext(lastEditor, null); | ||
super.setEntityDescriptor(descriptor); | ||
} | ||
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public void setChangedByContext(URI context, Date date){ | ||
UserReference user = SecurityUtils.currentUserReference(); | ||
em.createNativeQuery(""" | ||
DELETE{ | ||
GRAPH ?context{ | ||
?uri ?pModified ?lastModified. | ||
?uri ?pLastEditor ?lastEditor. | ||
} | ||
}INSERT{ | ||
GRAPH ?context{ | ||
?uri ?pModified ?newModified. | ||
?uri ?pLastEditor ?newLastEditor. | ||
} | ||
}WHERE{ | ||
GRAPH ?context{ | ||
?uri a ?type. | ||
OPTIONAL{?uri ?pModified ?lastModified.} | ||
OPTIONAL{?uri ?pLastEditor ?lastEditorURI.} | ||
} | ||
}""") | ||
.setParameter("context", context) | ||
.setParameter("type", typeUri) | ||
.setParameter("pModified", P_MODIFIED) | ||
.setParameter("pLastEditor", P_LAST_EDITOR) | ||
.setParameter("newModified", date) | ||
.setParameter("newLastEditor", user.getUri()) | ||
.executeUpdate(); | ||
} | ||
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public List<T> findAllSummaries(){ | ||
try { | ||
List<ManagedEntity> ret = em.createNativeQuery(""" | ||
SELECT * WHERE { | ||
?uri a ?type. | ||
?uri ?pName ?name. | ||
OPTIONAL{?uri ?pDescription ?description.} | ||
OPTIONAL{?uri ?pCreated ?created.} | ||
OPTIONAL{?uri ?pModified ?modified.} | ||
OPTIONAL{?uri ?pCreator ?creator.} | ||
OPTIONAL{?uri ?pLastEditor ?lastEditor.} | ||
}""", "ManagedEntitySummary") | ||
.setParameter("type", typeUri) | ||
.setParameter("pName", P_HAS_NAME) | ||
.setParameter("pDescription", P_HAS_DESCRIPTION) | ||
.setParameter("pCreated", P_CREATED) | ||
.setParameter("pModified", P_MODIFIED) | ||
.setParameter("pCreator", P_CREATOR) | ||
.setParameter("pLastEditor", P_LAST_EDITOR) | ||
.getResultList(); | ||
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return ret.stream().map(s -> s.asEntity(type)).toList(); | ||
} catch (RuntimeException e) { | ||
throw new PersistenceException(e); | ||
} | ||
} | ||
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} |
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