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annotate src/luan/modules/lucene/queryparser/NumberFieldParser.java @ 775:1a68fc55a80c

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simplify dir structure
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 26 Aug 2016 14:36:40 -0600
parents lucene/src/luan/modules/lucene/queryparser/NumberFieldParser.java@01e68da6983b
children 38a42f437fd2
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1 package luan.modules.lucene.queryparser;
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2
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3 import org.apache.lucene.search.Query;
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4 import org.apache.lucene.search.NumericRangeQuery;
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5 import org.apache.lucene.search.SortField;
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6
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7
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8 public abstract class NumberFieldParser implements FieldParser {
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9
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10 @Override public final Query getQuery(SaneQueryParser qp,String field,String query) throws ParseException {
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11 return getRangeQuery(qp,field,query,query,true,true);
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12 }
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13
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14 @Override public final Query getRangeQuery(SaneQueryParser qp,String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) throws ParseException {
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15 try {
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16 return getRangeQuery(field,minQuery,maxQuery,includeMin,includeMax);
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17 } catch(NumberFormatException e) {
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18 throw new ParseException(qp,e);
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19 }
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20 }
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21
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22 abstract protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax);
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23
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24 @Override public SortField getSortField(SaneQueryParser qp,String field,boolean reverse) {
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25 return new SortField( field, sortType(), reverse );
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26 }
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27
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28 abstract protected SortField.Type sortType();
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29
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30
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31 public static final FieldParser INT = new NumberFieldParser() {
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32
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33 @Override protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) {
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34 int min = Integer.parseInt(minQuery);
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35 int max = Integer.parseInt(maxQuery);
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36 return NumericRangeQuery.newIntRange(field,min,max,includeMin,includeMax);
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37 }
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38
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39 @Override protected SortField.Type sortType() {
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40 return SortField.Type.INT;
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41 }
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42 };
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43
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44 public static final FieldParser LONG = new NumberFieldParser() {
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45
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46 @Override protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) {
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47 long min = Long.parseLong(minQuery);
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48 long max = Long.parseLong(maxQuery);
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49 return NumericRangeQuery.newLongRange(field,min,max,includeMin,includeMax);
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50 }
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51
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52 @Override protected SortField.Type sortType() {
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53 return SortField.Type.LONG;
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54 }
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55 };
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56
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57 public static final FieldParser FLOAT = new NumberFieldParser() {
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58
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59 @Override protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) {
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60 float min = Float.parseFloat(minQuery);
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61 float max = Float.parseFloat(maxQuery);
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62 return NumericRangeQuery.newFloatRange(field,min,max,includeMin,includeMax);
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63 }
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64
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65 @Override protected SortField.Type sortType() {
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66 return SortField.Type.FLOAT;
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67 }
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68 };
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69
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70 public static final FieldParser DOUBLE = new NumberFieldParser() {
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71
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72 @Override protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) {
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73 double min = Double.parseDouble(minQuery);
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74 double max = Double.parseDouble(maxQuery);
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75 return NumericRangeQuery.newDoubleRange(field,min,max,includeMin,includeMax);
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76 }
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77
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78 @Override protected SortField.Type sortType() {
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79 return SortField.Type.DOUBLE;
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80 }
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81 };
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82
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83 }