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19 package org.apache.syncope.core.persistence.jpa.dao;
20
21 import javax.persistence.Query;
22 import org.apache.syncope.core.persistence.api.dao.ExternalResourceDAO;
23 import org.apache.syncope.core.persistence.api.dao.PlainAttrDAO;
24 import org.apache.syncope.core.persistence.api.entity.AnyUtilsFactory;
25 import org.apache.syncope.core.persistence.api.entity.PlainAttr;
26 import org.apache.syncope.core.persistence.api.entity.PlainSchema;
27
28 public class OJPAJSONPlainSchemaDAO extends AbstractJPAJSONPlainSchemaDAO {
29
30 public OJPAJSONPlainSchemaDAO(
31 final AnyUtilsFactory anyUtilsFactory,
32 final PlainAttrDAO plainAttrDAO,
33 final ExternalResourceDAO resourceDAO) {
34
35 super(anyUtilsFactory, plainAttrDAO, resourceDAO);
36 }
37
38 @Override
39 public <T extends PlainAttr<?>> boolean hasAttrs(final PlainSchema schema, final Class<T> reference) {
40 Query query = entityManager().createNativeQuery(
41 "SELECT COUNT(id) FROM "
42 + new SearchSupport(getAnyTypeKind(reference)).field().name
43 + " WHERE plainSchema = ?");
44 query.setParameter(1, schema.getKey());
45
46 return ((Number) query.getSingleResult()).intValue() > 0;
47 }
48 }