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added find by query method

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Joern Muehlencord
2020-02-16 13:42:58 +01:00
parent 799c7d52e3
commit 9090b2c66e
1 changed files with 10 additions and 0 deletions
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db/src/main/java/de/muehlencord/shared/db/AbstractController.java
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@ -24,6 +24,7 @@ import java.util.Map;
import javax.ejb.Lock; import javax.ejb.Lock;
import javax.ejb.LockType; import javax.ejb.LockType;
import javax.persistence.EntityGraph; import javax.persistence.EntityGraph;
import javax.persistence.Query;
import javax.persistence.TypedQuery; import javax.persistence.TypedQuery;
import javax.persistence.criteria.CriteriaBuilder; import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery; import javax.persistence.criteria.CriteriaQuery;
@ -78,6 +79,15 @@ public abstract class AbstractController<T extends Serializable> extends CommonA
T entity = (T) em.find(entityClass, id, hints); T entity = (T) em.find(entityClass, id, hints);
return entity; return entity;
} }
@Lock(LockType.READ)
public List<T> find(String queryName, Map<String, Object> parameterMap) throws ControllerException {
Query query = em.createNamedQuery(queryName);
parameterMap.entrySet().forEach((entry) -> {
query.setParameter(entry.getKey(), entry.getValue());
});
return query.getResultList();
}
/** /**
* returns a list of all entities. * returns a list of all entities.