Mercurial Hosting > luan
diff src/luan/modules/lucene/queryparser/NumberFieldParser.java @ 775:1a68fc55a80c
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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/luan/modules/lucene/queryparser/NumberFieldParser.java Fri Aug 26 14:36:40 2016 -0600 @@ -0,0 +1,83 @@ +package luan.modules.lucene.queryparser; + +import org.apache.lucene.search.Query; +import org.apache.lucene.search.NumericRangeQuery; +import org.apache.lucene.search.SortField; + + +public abstract class NumberFieldParser implements FieldParser { + + @Override public final Query getQuery(SaneQueryParser qp,String field,String query) throws ParseException { + return getRangeQuery(qp,field,query,query,true,true); + } + + @Override public final Query getRangeQuery(SaneQueryParser qp,String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) throws ParseException { + try { + return getRangeQuery(field,minQuery,maxQuery,includeMin,includeMax); + } catch(NumberFormatException e) { + throw new ParseException(qp,e); + } + } + + abstract protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax); + + @Override public SortField getSortField(SaneQueryParser qp,String field,boolean reverse) { + return new SortField( field, sortType(), reverse ); + } + + abstract protected SortField.Type sortType(); + + + public static final FieldParser INT = new NumberFieldParser() { + + @Override protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) { + int min = Integer.parseInt(minQuery); + int max = Integer.parseInt(maxQuery); + return NumericRangeQuery.newIntRange(field,min,max,includeMin,includeMax); + } + + @Override protected SortField.Type sortType() { + return SortField.Type.INT; + } + }; + + public static final FieldParser LONG = new NumberFieldParser() { + + @Override protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) { + long min = Long.parseLong(minQuery); + long max = Long.parseLong(maxQuery); + return NumericRangeQuery.newLongRange(field,min,max,includeMin,includeMax); + } + + @Override protected SortField.Type sortType() { + return SortField.Type.LONG; + } + }; + + public static final FieldParser FLOAT = new NumberFieldParser() { + + @Override protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) { + float min = Float.parseFloat(minQuery); + float max = Float.parseFloat(maxQuery); + return NumericRangeQuery.newFloatRange(field,min,max,includeMin,includeMax); + } + + @Override protected SortField.Type sortType() { + return SortField.Type.FLOAT; + } + }; + + public static final FieldParser DOUBLE = new NumberFieldParser() { + + @Override protected Query getRangeQuery(String field,String minQuery,String maxQuery,boolean includeMin,boolean includeMax) { + double min = Double.parseDouble(minQuery); + double max = Double.parseDouble(maxQuery); + return NumericRangeQuery.newDoubleRange(field,min,max,includeMin,includeMax); + } + + @Override protected SortField.Type sortType() { + return SortField.Type.DOUBLE; + } + }; + +}