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annotate src/goodjava/queryparser/NumberFieldParser.java @ 1417:c7f9dd062eda

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lucene cleanup
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 18 Oct 2019 19:38:08 -0600
parents 27efb1fcbcb5
children 5f038be65271
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1 package goodjava.queryparser;
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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 import goodjava.parser.ParseException;
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9 public abstract class NumberFieldParser implements FieldParser {
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11 @Override public final Query getQuery(SaneQueryParser qp,String field,String query) throws ParseException {
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12 return getRangeQuery(qp,field,query,query,true,true);
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13 }
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15 @Override public final Query getRangeQuery(SaneQueryParser qp,String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) throws ParseException {
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16 try {
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17 return getRangeQuery(field,minQuery,maxQuery,includeMin,includeMax);
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18 } catch(NumberFormatException e) {
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19 throw qp.exception(e);
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20 }
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21 }
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23 abstract protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax);
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24
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25 @Override public SortField getSortField(SaneQueryParser qp,String field,boolean reverse) {
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26 return new SortField( field, sortType(), reverse );
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27 }
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29 abstract protected SortField.Type sortType();
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31
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32 public static final FieldParser INT = new NumberFieldParser() {
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33
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34 @Override protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) {
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35 int min = Integer.parseInt(minQuery);
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36 int max = Integer.parseInt(maxQuery);
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37 return NumericRangeQuery.newIntRange(field,min,max,includeMin,includeMax);
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38 }
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39
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40 @Override protected SortField.Type sortType() {
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41 return SortField.Type.INT;
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42 }
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43 };
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45 public static final FieldParser LONG = new NumberFieldParser() {
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46
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47 @Override protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) {
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48 long min = Long.parseLong(minQuery);
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49 long max = Long.parseLong(maxQuery);
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50 return NumericRangeQuery.newLongRange(field,min,max,includeMin,includeMax);
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51 }
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53 @Override protected SortField.Type sortType() {
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54 return SortField.Type.LONG;
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55 }
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56 };
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58 public static final FieldParser FLOAT = new NumberFieldParser() {
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59
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60 @Override protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) {
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61 float min = Float.parseFloat(minQuery);
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62 float max = Float.parseFloat(maxQuery);
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63 return NumericRangeQuery.newFloatRange(field,min,max,includeMin,includeMax);
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64 }
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65
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66 @Override protected SortField.Type sortType() {
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67 return SortField.Type.FLOAT;
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68 }
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69 };
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71 public static final FieldParser DOUBLE = new NumberFieldParser() {
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72
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73 @Override protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) {
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74 double min = Double.parseDouble(minQuery);
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75 double max = Double.parseDouble(maxQuery);
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76 return NumericRangeQuery.newDoubleRange(field,min,max,includeMin,includeMax);
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77 }
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79 @Override protected SortField.Type sortType() {
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80 return SortField.Type.DOUBLE;
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81 }
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82 };
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83
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84 }