src/java/org/mxchange/jcontactsbusiness/model/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.model.basicdata;
  18
  19 import java.text.MessageFormat;
  20 import java.util.List;
  21 import java.util.Objects;
  22 import javax.ejb.Stateless;
  23 import javax.persistence.NoResultException;
  24 import javax.persistence.Query;
  25 import org.mxchange.jcontactsbusiness.exceptions.basicdata.BusinessDataNotFoundException;
  26 import org.mxchange.jjobs.database.BaseJobsDatabaseBean;
  27
  28 /**
  29  * A stateless session bean for business data
  30  * <p>
  31  * @author Roland Häder<roland@mxchange.org>
  32  */
  33 @Stateless (name = "basicCompanyData", description = "A general statless bean for handling business data (all)")
  34 public class JobsBusinessDataSessionBean extends BaseJobsDatabaseBean implements BasicCompanyDataSessionBeanRemote {
  35
  36         /**
  37          * Serial number
  38          */
  39         private static final long serialVersionUID = 56_389_504_892_184_571L;
  40
  41         /**
  42          * Default constructor
  43          */
  44         public JobsBusinessDataSessionBean () {
  45                 // Call super constructor
  46                 super();
  47         }
  48
  49         @Override
  50         @SuppressWarnings ("unchecked")
  51         public List<BusinessBasicData> allCompanyBasicData () {
  52                 // Trace message
  53                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.allBusinessContacts: CALLED!", this.getClass().getSimpleName())); //NOI18N
  54
  55                 // Get query
  56                 final Query query = this.getEntityManager().createNamedQuery("AllBusinessData"); //NOI18N
  57
  58                 // Get list from it
  59                 final List<BusinessBasicData> list = query.getResultList();
  60
  61                 // Trace message
  62                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.allBusinessContacts: list.size()={1} - EXIT!", this.getClass().getSimpleName(), list.size())); //NOI18N
  63
  64                 // Return it
  65                 return list;
  66         }
  67
  68         @Override
  69         public BusinessBasicData findBasicDataById (final Long basicDataId) throws BusinessDataNotFoundException {
  70                 // Trace message
  71                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.findBasicDataById: CALLED!", this.getClass().getSimpleName())); //NOI18N
  72
  73                 // Get query
  74                 final Query query = this.getEntityManager().createNamedQuery("SearchBusinessDataById", CompanyBasicData.class); //NOI18N
  75
  76                 // Set parameter
  77                 query.setParameter("basicDataId", basicDataId); //NOI18N
  78
  79                 // Get single instance
  80                 final BusinessBasicData basicData;
  81
  82                 // Try to find a result
  83                 try {
  84                         // Find a single result
  85                         basicData = (BusinessBasicData) query.getSingleResult();
  86
  87                         // Log trace message
  88                         this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.findBasicDataById: Found basicData={1}", this.getClass().getSimpleName(), basicData)); //NOI18N
  89                 } catch (final NoResultException ex) {
  90                         // No result found
  91                         throw new BusinessDataNotFoundException(basicDataId, ex);
  92                 }
  93
  94                 // Trace message
  95                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.findBasicDataById: basicData={1} - EXIT!", this.getClass().getSimpleName(), basicData)); //NOI18N
  96
  97                 // Return it
  98                 return basicData;
  99         }
 100
 101         @Override
 102         public Boolean isCompanyNameUsed (final String companyName) {
 103                 // Trace message
 104                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.isCompanyNameUsed: companyName={1} - CALLED!", this.getClass().getSimpleName(), companyName)); //NOI18N
 105
 106                 // Is the parameter valid?
 107                 if (null == companyName) {
 108                         // Throw NPE
 109                         throw new NullPointerException("companyName is null"); //NOI18N
 110                 } else if (companyName.isEmpty()) {
 111                         // Throw IAE
 112                         throw new IllegalArgumentException("companyName is empty"); //NOI18N
 113                 }
 114
 115                 // Default is not found
 116                 Boolean isCompanyNameUsed = Boolean.FALSE;
 117
 118                 // Get whole list
 119                 final List<BusinessBasicData> list = this.allCompanyBasicData();
 120
 121                 // Check whole list
 122                 for (final BusinessBasicData basicData : list) {
 123                         // Is name used?
 124                         if (Objects.equals(basicData.getCompanyName(), companyName)) {
 125                                 // Found one
 126                                 isCompanyNameUsed = Boolean.TRUE;
 127
 128                                 // Abort search
 129                                 break;
 130                         }
 131                 }
 132
 133                 // Trace message
 134                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.isCompanyNameUsed: isCompanyNameUsed={1} - EXIT!", this.getClass().getSimpleName(), isCompanyNameUsed)); //NOI18N
 135
 136                 // Return it
 137                 return isCompanyNameUsed;
 138         }
 139
 140 }