src/java/org/mxchange/jcontactsbusiness/basicdata/JobsBusinessDataSessionBean.java

   1 /*
   2  * Copyright (C) 2017 Roland Häder
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU Affero General Public License as
   6  * published by the Free Software Foundation, either version 3 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU Affero General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Affero General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.jcontactsbusiness.basicdata;
  18
  19 import java.text.MessageFormat;
  20 import javax.ejb.Stateless;
  21 import javax.persistence.NoResultException;
  22 import javax.persistence.Query;
  23 import org.mxchange.jcontactsbusiness.exceptions.basicdata.BusinessDataNotFoundException;
  24 import org.mxchange.jjobs.database.BaseJobsDatabaseBean;
  25
  26 /**
  27  * A stateless session bean for business data
  28  * <p>
  29  * @author Roland Häder<roland@mxchange.org>
  30  */
  31 @Stateless (name = "businessData", description = "A general statless bean for handling business data (all)")
  32 public class JobsBusinessDataSessionBean extends BaseJobsDatabaseBean implements BusinessDataSessionBeanRemote {
  33
  34         /**
  35          * Serial number
  36          */
  37         private static final long serialVersionUID = 56_389_504_892_184_571L;
  38
  39         /**
  40          * Default constructor
  41          */
  42         public JobsBusinessDataSessionBean () {
  43                 // Call super constructor
  44                 super();
  45         }
  46
  47         @Override
  48         public BusinessBasicData findBusinessDataById (final Long businessDataId) throws BusinessDataNotFoundException {
  49                 // Trace message
  50                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.findBusinessDataById: CALLED!", this.getClass().getSimpleName())); //NOI18N
  51
  52                 // Get query
  53                 Query query = this.getEntityManager().createNamedQuery("SearchBusinessDataById", CompanyBasicData.class); //NOI18N
  54
  55                 // Set parameter
  56                 query.setParameter("businessDataId", businessDataId); //NOI18N
  57
  58                 // Get single instance
  59                 BusinessBasicData businessData = null;
  60
  61                 // Try to find a result
  62                 try {
  63                         // Find a single result
  64                         businessData = (BusinessBasicData) query.getSingleResult();
  65
  66                         // Log trace message
  67                         this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.findBusinessDataById: Found contact={1}", this.getClass().getSimpleName(), businessData)); //NOI18N
  68                 } catch (final NoResultException ex) {
  69                         // No result found
  70                         throw new BusinessDataNotFoundException(businessDataId, ex);
  71                 }
  72
  73                 // Trace message
  74                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.findBusinessDataById: businessData={1} - EXIT!", this.getClass().getSimpleName(), businessData)); //NOI18N
  75
  76                 // Return it
  77                 return businessData;
  78         }
  79
  80 }