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.basicdata.BusinessDataSessionBeanRemote;
  26 import org.mxchange.jcontactsbusiness.exceptions.basicdata.BusinessDataNotFoundException;
  27 import org.mxchange.jjobs.database.BaseJobsDatabaseBean;
  28
  29 /**
  30  * A stateless session bean for business data
  31  * <p>
  32  * @author Roland Häder<roland@mxchange.org>
  33  */
  34 @Stateless (name = "businessData", description = "A general statless bean for handling business data (all)")
  35 public class JobsBusinessDataSessionBean extends BaseJobsDatabaseBean implements BusinessDataSessionBeanRemote {
  36
  37         /**
  38          * Serial number
  39          */
  40         private static final long serialVersionUID = 56_389_504_892_184_571L;
  41
  42         /**
  43          * Default constructor
  44          */
  45         public JobsBusinessDataSessionBean () {
  46                 // Call super constructor
  47                 super();
  48         }
  49
  50         @Override
  51         @SuppressWarnings ("unchecked")
  52         public List<BusinessBasicData> allCompanyBasicData () {
  53                 // Trace message
  54                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.allBusinessContacts: CALLED!", this.getClass().getSimpleName())); //NOI18N
  55
  56                 // Get query
  57                 final Query query = this.getEntityManager().createNamedQuery("AllBusinessData"); //NOI18N
  58
  59                 // Get list from it
  60                 final List<BusinessBasicData> list = query.getResultList();
  61
  62                 // Trace message
  63                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.allBusinessContacts: list.size()={1} - EXIT!", this.getClass().getSimpleName(), list.size())); //NOI18N
  64
  65                 // Return it
  66                 return list;
  67         }
  68
  69         @Override
  70         public BusinessBasicData findBasicDataById (final Long basicDataId) throws BusinessDataNotFoundException {
  71                 // Trace message
  72                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.findBasicDataById: CALLED!", this.getClass().getSimpleName())); //NOI18N
  73
  74                 // Get query
  75                 final Query query = this.getEntityManager().createNamedQuery("SearchBusinessDataById", CompanyBasicData.class); //NOI18N
  76
  77                 // Set parameter
  78                 query.setParameter("basicDataId", basicDataId); //NOI18N
  79
  80                 // Get single instance
  81                 final BusinessBasicData basicData;
  82
  83                 // Try to find a result
  84                 try {
  85                         // Find a single result
  86                         basicData = (BusinessBasicData) query.getSingleResult();
  87
  88                         // Log trace message
  89                         this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.findBasicDataById: Found basicData={1}", this.getClass().getSimpleName(), basicData)); //NOI18N
  90                 } catch (final NoResultException ex) {
  91                         // No result found
  92                         throw new BusinessDataNotFoundException(basicDataId, ex);
  93                 }
  94
  95                 // Trace message
  96                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.findBasicDataById: basicData={1} - EXIT!", this.getClass().getSimpleName(), basicData)); //NOI18N
  97
  98                 // Return it
  99                 return basicData;
 100         }
 101
 102         @Override
 103         public Boolean isCompanyNameUsed (final String companyName) {
 104                 // Trace message
 105                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.isCompanyNameUsed: companyName={1} - CALLED!", this.getClass().getSimpleName(), companyName)); //NOI18N
 106
 107                 // Is the parameter valid?
 108                 if (null == companyName) {
 109                         // Throw NPE
 110                         throw new NullPointerException("companyName is null"); //NOI18N
 111                 } else if (companyName.isEmpty()) {
 112                         // Throw IAE
 113                         throw new IllegalArgumentException("companyName is empty"); //NOI18N
 114                 }
 115
 116                 // Default is not found
 117                 Boolean isCompanyNameUsed = Boolean.FALSE;
 118
 119                 // Get whole list
 120                 final List<BusinessBasicData> list = this.allCompanyBasicData();
 121
 122                 // Check whole list
 123                 for (final BusinessBasicData basicData : list) {
 124                         // Is name used?
 125                         if (Objects.equals(basicData.getCompanyName(), companyName)) {
 126                                 // Found one
 127                                 isCompanyNameUsed = Boolean.TRUE;
 128
 129                                 // Abort search
 130                                 break;
 131                         }
 132                 }
 133
 134                 // Trace message
 135                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.isCompanyNameUsed: isCompanyNameUsed={1} - EXIT!", this.getClass().getSimpleName(), isCompanyNameUsed)); //NOI18N
 136
 137                 // Return it
 138                 return isCompanyNameUsed;
 139         }
 140
 141 }