Mercurial > lada > lada-server

annotate src/main/java/de/intevation/lada/util/data/IntegerArrayType.java @ 711:3ec358698b4d

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Code style and documentation.
author Raimund Renkert <raimund.renkert@intevation.de>
date Wed, 22 Jul 2015 16:03:03 +0200
parents d067d72e602c
children
rev   line source
711
3ec358698b4d Code style and documentation.
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parents: 653
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1 /* Copyright (C) 2013 by Bundesamt fuer Strahlenschutz
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Raimund Renkert <raimund.renkert@intevation.de>
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out
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6 * the documentation coming with IMIS-Labordaten-Application for details.
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7 */
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8 package de.intevation.lada.util.data;
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9
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10 import java.io.Serializable;
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11 import java.sql.Array;
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12 import java.sql.Connection;
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13 import java.sql.PreparedStatement;
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14 import java.sql.ResultSet;
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15 import java.sql.SQLException;
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16
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17 import org.hibernate.HibernateException;
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18 import org.hibernate.engine.spi.SessionImplementor;
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19 import org.hibernate.usertype.UserType;
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20
711
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21 /**
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22 * Implementation for a new data type in the postgresql/postgis jdbc driver.
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23 *
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24 * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a>
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25 */
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26 public class IntegerArrayType implements UserType {
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27 protected static final int SQLTYPE = java.sql.Types.ARRAY;
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28
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29 @Override
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30 public int[] sqlTypes() {
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31 return new int[] {SQLTYPE};
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32 }
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33
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34 @Override
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35 public Class<Integer[]> returnedClass() {
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36 return Integer[].class;
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37 }
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38
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39 @Override
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40 public boolean equals(Object x, Object y)
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41 throws HibernateException {
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42 return x == null ? y == null : x.equals(y);
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43 }
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44
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45 @Override
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46 public int hashCode(Object x)
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47 throws HibernateException {
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48 return x == null ? 0 : x.hashCode();
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49 }
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50
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51 @Override
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52 public Object nullSafeGet(
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53 ResultSet rs,
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54 String[] names,
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55 SessionImplementor session,
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56 Object owner)
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57 throws HibernateException, SQLException {
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58 Array array = rs.getArray(names[0]);
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59 Integer[] javaArray = (Integer[]) array.getArray();
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60 return javaArray;
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61 }
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62
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63 @Override
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64 public void nullSafeSet(
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65 PreparedStatement st,
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66 Object value,
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67 int index,
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68 SessionImplementor session)
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69 throws HibernateException, SQLException {
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70 Connection connection = st.getConnection();
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71 Integer[] castObject = (Integer[]) value;
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72 Array array = connection.createArrayOf("integer", castObject);
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73 st.setArray(index, array);
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74 }
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75
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76 @Override
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77 public Object deepCopy(Object value)
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78 throws HibernateException {
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79 return value == null ? null : ((Integer[]) value).clone();
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80 }
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81
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82 @Override
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83 public boolean isMutable() {
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84 return true;
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85 }
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86
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87 @Override
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88 public Serializable disassemble(Object value)
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89 throws HibernateException {
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90 return (Integer[])this.deepCopy(value);
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91 }
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92
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93 @Override
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94 public Object assemble(Serializable cached, Object owner)
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95 throws HibernateException {
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96 return this.deepCopy(cached);
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97 }
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98
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99 @Override
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100 public Object replace(Object original, Object target, Object owner)
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101 throws HibernateException {
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102 return original;
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103 }
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104
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105 }
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