Mercurial > dive4elements > river
annotate flys-backend/src/main/java/de/intevation/flys/importer/ValueKey.java @ 5622:b28a6d05e969
Add a new mechanism in mapfish print call to add arbitary data maps
Data properties are identified by starting with mapfish-data
and they are then split in info value pairs where info
can be the description of the information and value the value
of the information to be transported in the data map.
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Tue, 09 Apr 2013 19:04:32 +0200 |
parents | 6dc847194625 |
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rev | line source |
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501
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1 package de.intevation.flys.importer; |
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2 |
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3 import java.math.BigDecimal; |
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4 |
503
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5 import java.util.Comparator; |
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6 |
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7 public class ValueKey |
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8 { |
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9 public static final double EPSILON = 1e-6; |
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10 |
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11 public static final Comparator<ValueKey> EPSILON_COMPARATOR = |
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12 new Comparator<ValueKey>() |
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13 { |
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14 public int compare(ValueKey x, ValueKey y) { |
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15 int cmp = ValueKey.compare(x.a, y.a); |
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16 if (cmp != 0) return cmp; |
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17 return ValueKey.compare(x.b, y.b); |
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18 } |
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19 }; |
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20 |
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21 public static int compare(BigDecimal a, BigDecimal b) { |
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22 if (a == null && b == null) return 0; |
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23 if (a != null && b == null) return +1; |
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24 if (a == null && b != null) return -1; |
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25 |
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26 double diff = a.doubleValue() - b.doubleValue(); |
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27 if (diff < -EPSILON) return -1; |
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28 return diff > EPSILON ? +1 : 0; |
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29 } |
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30 |
501
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31 protected BigDecimal a; |
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32 protected BigDecimal b; |
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33 |
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34 public ValueKey() { |
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35 } |
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36 |
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37 public ValueKey(BigDecimal a, BigDecimal b) { |
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38 this.a = a; |
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39 this.b = b; |
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40 } |
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41 |
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42 @Override |
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43 public int hashCode() { |
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44 return ((a != null ? a.hashCode() : 0) << 16) |
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45 | (b != null ? b.hashCode() : 0); |
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46 } |
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47 |
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48 @Override |
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49 public boolean equals(Object other) { |
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50 if (!(other instanceof ValueKey)) { |
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51 return false; |
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52 } |
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53 ValueKey o = (ValueKey)other; |
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54 return !( |
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55 (a == null && o.a != null) |
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56 || (a != null && o.a == null) |
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57 || (a != null && !a.equals(o.a)) |
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58 || (b == null && o.b != null) |
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59 || (b != null && o.b == null) |
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60 || (b != null && !b.equals(o.b))); |
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61 } |
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62 } |
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63 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |