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org.apache.torque.adapter.DBDB2400 |
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1 | package org.apache.torque.adapter; |
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2 | ||
3 | /* |
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4 | * Copyright 2001-2005 The Apache Software Foundation. |
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5 | * |
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6 | * Licensed under the Apache License, Version 2.0 (the "License") |
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7 | * you may not use this file except in compliance with the License. |
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8 | * You may obtain a copy of the License at |
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9 | * |
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10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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11 | * |
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12 | * Unless required by applicable law or agreed to in writing, software |
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13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 | * See the License for the specific language governing permissions and |
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16 | * limitations under the License. |
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17 | */ |
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18 | ||
19 | /** |
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20 | * Torque Database Adapter for DB2/400 on the IBM AS400 platform. |
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21 | * |
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22 | * @author <a href="mailto:sweaver@rippe.com">Scott Weaver</a> |
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23 | * @author <a href="mailto:vido@ldh.org">Augustin Vidovic</a> |
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24 | * @version $Id: DBDB2400.java 239630 2005-08-24 12:25:32Z henning $ |
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25 | */ |
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26 | public class DBDB2400 extends DBDB2App |
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27 | { |
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28 | /** |
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29 | * UpperCase/IgnoreCase sql function in DB2/400 |
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30 | */ |
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31 | public static final String UCASE = "UCASE"; |
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32 | ||
33 | ||
34 | /** |
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35 | * DBDB2400 constructor. |
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36 | */ |
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37 | protected DBDB2400() |
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38 | { |
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39 | 0 | super(); |
40 | 0 | } |
41 | ||
42 | /** |
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43 | * This method is used to ignore case. |
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44 | * |
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45 | * @param in The string whose case to ignore. |
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46 | * @return The string in a case that can be ignored. |
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47 | */ |
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48 | public String ignoreCase(String in) |
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49 | { |
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50 | 0 | String s = formatCase(in); |
51 | 0 | return s; |
52 | } |
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53 | ||
54 | /** |
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55 | * This method is used to ignore case. |
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56 | * |
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57 | * @param in The string to transform to upper case. |
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58 | * @return The upper case string. |
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59 | */ |
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60 | public String toUpperCase(String in) |
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61 | { |
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62 | 0 | String s = formatCase(in); |
63 | 0 | return s; |
64 | } |
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65 | ||
66 | /** |
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67 | * Convenience method for String-formatting |
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68 | * upper/ignore case statements. |
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69 | * |
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70 | * @param in The string to transform to upper case. |
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71 | * @return The upper case string. |
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72 | */ |
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73 | private String formatCase(String in) |
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74 | { |
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75 | 0 | return new StringBuffer(UCASE + "(").append(in).append(")").toString(); |
76 | } |
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77 | ||
78 | /** |
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79 | * This method is used to check whether the database supports |
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80 | * limiting the size of the resultset. |
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81 | * |
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82 | * @return LIMIT_STYLE_DB2. |
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83 | */ |
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84 | public int getLimitStyle() |
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85 | { |
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86 | 0 | return DB.LIMIT_STYLE_DB2; |
87 | } |
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88 | } |
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