Mercurial > dive4elements > framework
annotate artifact-database/src/main/java/de/intevation/artifactdatabase/Id.java @ 212:d7042094f7b7
Bugfix: Repaired a broken XPath.
artifacts/trunk@1548 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 23 Mar 2011 12:08:21 +0000 |
parents | 933bbc9fc11f |
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1 /* |
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2 * Copyright (c) 2010 by Intevation GmbH |
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3 * |
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4 * This program is free software under the LGPL (>=v2.1) |
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5 * Read the file LGPL.txt coming with the software for details |
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6 * or visit http://www.gnu.org/licenses/ if it does not exist. |
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7 */ |
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8 |
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9 package de.intevation.artifactdatabase; |
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10 |
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11 import java.util.List; |
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12 |
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13 /** |
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14 * Class to model the concept of an 'id' in terms of unique integer as |
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15 * used in databases. Subclasses of this class are able to be processed |
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16 * by this id. |
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17 * |
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18 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a> |
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19 */ |
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20 public class Id |
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21 { |
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22 /** |
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23 * Interface to filter a list of ids. |
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24 */ |
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25 public interface Filter { |
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26 /** |
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27 * A list of ids is processed in a functional way to be |
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28 * free from some ids by the implementing code. The resulting |
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29 * list maybe short or equal sized to the original one. The |
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30 * original list is not modified. |
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31 * @param ids The list of input ids. |
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32 * @return A list of processed ids. |
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33 */ |
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34 List filterIds(List ids); |
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35 } |
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36 |
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37 /** |
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38 * The backing int of the id. |
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39 */ |
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40 protected int id; |
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41 |
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42 /** |
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43 * Default constructor: id = 0 |
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44 */ |
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45 public Id() { |
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46 } |
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47 |
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48 /** |
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49 * Constructor to create an id with a given value. |
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50 * @param id The id value |
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51 */ |
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52 public Id(int id) { |
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53 this.id = id; |
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54 } |
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55 |
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56 /** |
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57 * Returns the id value. |
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58 * @return The value of the id. |
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59 */ |
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60 public int getId() { |
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61 return id; |
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62 } |
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63 } |
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64 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |