git.mxchange.org Git - jfinancials-ejb.git/blob

   1 /*
   2  * Copyright (C) 2017 - 2020 Free Software Foundation
   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.jfinancials.enterprise.financial.receipt_item;
  18
  19 import java.text.MessageFormat;
  20 import java.util.Date;
  21 import org.mxchange.jfinancials.enterprise.product.BaseFinancialsProductEnterpriseBean;
  22 import org.mxchange.jfinancials.model.receipt_item.BillableReceiptItem;
  23 import org.mxchange.jfinancials.model.receipt_item.ReceiptItems;
  24
  25 /**
  26  * A general bean for receipt item related methods that can be generalized.
  27  * <p>
  28  * @author Roland Haeder<roland@mxchange.org>
  29  */
  30 public abstract class BaseFinancialsReceiptItemEnterpriseBean extends BaseFinancialsProductEnterpriseBean {
  31
  32         /**
  33          * Serial number
  34          */
  35         private static final long serialVersionUID = 523_676_481_092_175_623L;
  36
  37         /**
  38          * Protected constructor, no instance from this class.
  39          */
  40         protected BaseFinancialsReceiptItemEnterpriseBean () {
  41                 super();
  42         }
  43
  44         /**
  45          * Merges given receipt's data
  46          * <p>
  47          * @param detachedReceiptItem Receipt instance to merge
  48          * <p>
  49          * @return Detached receipt instance
  50          */
  51         protected BillableReceiptItem mergeReceiptItem (final BillableReceiptItem detachedReceiptItem) {
  52                 // Trace message
  53                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("mergeReceiptItem: detachedReceipt={0} - CALLED!", detachedReceiptItem)); //NOI18N
  54
  55                 // The receipt instance must be valid
  56                 if (null == detachedReceiptItem) {
  57                         // Throw NPE again
  58                         throw new NullPointerException("detachedReceiptItem is null"); //NOI18N
  59                 } else if (detachedReceiptItem.getItemId() == null) {
  60                         // Throw NPE again
  61                         throw new NullPointerException("detachedReceiptItem.itemId is null"); //NOI18N
  62                 } else if (detachedReceiptItem.getItemId() < 1) {
  63                         // Not valid
  64                         throw new IllegalStateException(MessageFormat.format("detachedReceipt.itemId={0} is not valid.", detachedReceiptItem.getItemId())); //NOI18N
  65                 }
  66
  67                 // Set updated timestamp
  68                 detachedReceiptItem.setItemEntryUpdated(new Date());
  69
  70                 // Get receipt from it and find it
  71                 final BillableReceiptItem foundReceiptItem = this.getEntityManager().find(detachedReceiptItem.getClass(), detachedReceiptItem.getItemId());
  72
  73                 // Should be found
  74                 assert (foundReceiptItem instanceof BillableReceiptItem) : MessageFormat.format("Receipt item with id {0} not found, but should be.", detachedReceiptItem.getItemId()); //NOI18N
  75
  76                 // Debug message
  77                 this.getLoggerBeanLocal().logDebug(MessageFormat.format("mergeReceipt: foundReceiptItem.itemId={0}", foundReceiptItem.getItemId())); //NOI18N
  78
  79                 // Copy all
  80                 ReceiptItems.copyReceiptItemData(detachedReceiptItem, foundReceiptItem);
  81
  82                 // Merge receipt item instance
  83                 final BillableReceiptItem managedReceiptItem = this.getEntityManager().merge(foundReceiptItem);
  84
  85                 // Trace message
  86                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("mergeReceiptItem: managedReceiptItem={0} - EXIT!", managedReceiptItem)); //NOI18N
  87
  88                 // Return detached receipt
  89                 return managedReceiptItem;
  90         }
  91
  92 }