package com.redhat.training.ejb;
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import java.util.HashSet;
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import java.util.Set;
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import javax.ejb.Stateless;
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import javax.inject.Inject;
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import javax.persistence.EntityManager;
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import javax.persistence.TypedQuery;
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import com.redhat.training.model.UserGroup;
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@Stateless
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public class UserBean {
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@Inject
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private EntityManager em;
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//TODO Add JOIN FETCH
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public Set<UserGroup> getAllUserGroups(){
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TypedQuery<UserGroup> query = em.createQuery("SELECT g FROM UserGroup g" , UserGroup.class);
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return new HashSet<UserGroup>(query.getResultList());
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}
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}
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