CustomFieldServiceBean.java

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package edu.harvard.iq.dataverse.api.imports;

import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

/**
 *
 * @author ellenk
 */
@Stateless
public class CustomFieldServiceBean {

   
     @PersistenceContext(unitName = "VDCNet-ejbPU")
    private EntityManager em;
     
    public CustomFieldMap findByTemplateField(String template, String field) {
        try {
            CustomFieldMap map = (CustomFieldMap) em.createNamedQuery("CustomFieldMap.findByTemplateField").setParameter("template", template).setParameter("field", field).getSingleResult();
            return map;
        } catch (Exception ex) {
            System.out.println("Exception "+ ex + "template: "+template+" field: "+ field);
            return null;
        }

    }

}