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OrdFieldSource.h
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1 // Copyright (c) 2009-2014 Alan Wright. All rights reserved.
3 // Distributable under the terms of either the Apache License (Version 2.0)
4 // or the GNU Lesser General Public License.
6 
7 #ifndef ORDFIELDSOURCE_H
8 #define ORDFIELDSOURCE_H
9 
10 #include "ValueSource.h"
11 
12 namespace Lucene {
13 
31 class LPPAPI OrdFieldSource : public ValueSource {
32 public:
35  OrdFieldSource(const String& field);
36  virtual ~OrdFieldSource();
37 
39 
40 protected:
41  String field;
42 
43 public:
44  virtual String description();
45  virtual DocValuesPtr getValues(const IndexReaderPtr& reader);
46  virtual bool equals(const LuceneObjectPtr& other);
47  virtual int32_t hashCode();
48 };
49 
50 }
51 
52 #endif
boost::shared_ptr< LuceneObject > LuceneObjectPtr
Definition: LuceneTypes.h:539
Obtains the ordinal of the field value from the default Lucene FieldCache using getStringIndex().
Definition: OrdFieldSource.h:31
boost::shared_ptr< IndexReader > IndexReaderPtr
Definition: LuceneTypes.h:157
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Definition: AbstractAllTermDocs.h:12
Source of values for basic function queries.
Definition: ValueSource.h:21
boost::shared_ptr< DocValues > DocValuesPtr
Definition: LuceneTypes.h:325

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