Java tutorial
package com.webbfontaine.valuewebb.search; import com.webbfontaine.valuewebb.model.constants.Constants; import com.webbfontaine.valuewebb.model.util.Utils; import org.apache.commons.lang3.StringUtils; import org.jboss.seam.annotations.In; import org.jboss.seam.annotations.Name; import javax.persistence.EntityManager; import java.io.Serializable; import java.util.Collections; import java.util.List; /** * Copyrights 2002-2010 Webb Fontaine * This software is the proprietary information of Webb Fontaine. * Its use is subject to License terms. * User: nigiyan * Date: Oct 28, 2010 */ @Name("companyFinder") public class CompanyFinder implements Serializable { private static final long serialVersionUID = 1L; @In private EntityManager entityManager; @In(create = true) private CompanyCriteria companyCriteria; private List resultList; public String select() { String sql = "select company from Company company where " + "lower(company.tin) like lower(concat(:tin,'%')) and " + "lower(company.adr) like lower(concat(:adr,'%')) and " + "lower(company.country) like lower(concat(:country,'%')) and " + "lower(company.nam) like lower(concat(:nam,'%')) and " + "(company.tradeLevel is null or lower(company.tradeLevel) like lower(concat(:tradeLevel,'%'))) order by company.tin, company.tradeLevel"; resultList = Utils.setDirectRead(entityManager.createQuery(sql)) .setParameter("tin", companyCriteria.getCompanyData().getTin()) .setParameter("adr", companyCriteria.getCompanyData().getAdr()) .setParameter("country", companyCriteria.getCompanyData().getCountry()) .setParameter("nam", companyCriteria.getCompanyData().getNam()) .setParameter("tradeLevel", companyCriteria.getCompanyData().getTradeLevel()) .setMaxResults(Constants.MAX_RECORDS_IN_ATTACHED_FINDER).getResultList(); return null; } public List getResultList() { if (StringUtils.isEmpty(companyCriteria.getActiveFor())) { return Collections.EMPTY_LIST; } if (resultList != null) { return resultList; } select(); return resultList; } public void setResultList(List resultList) { } public CompanyCriteria getCompanyCriteria() { return companyCriteria; } public void setCompanyCriteria(CompanyCriteria companyCriteria) { } }