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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
38 LUCENE_CLASS(OrdFieldSource);
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
LUCENE_CLASS
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
ValueSource.h
Lucene::OrdFieldSource
Obtains the ordinal of the field value from the default Lucene FieldCache using getStringIndex().
Definition: OrdFieldSource.h:31
Lucene::OrdFieldSource::getValues
virtual DocValuesPtr getValues(const IndexReaderPtr &reader)
Return the DocValues used by the function query.
Lucene::OrdFieldSource::hashCode
virtual int32_t hashCode()
Needed for possible caching of query results - used by ValueSourceQuery#hashCode().
Lucene::OrdFieldSource::field
String field
Definition: OrdFieldSource.h:38
Lucene::OrdFieldSource::~OrdFieldSource
virtual ~OrdFieldSource()
Lucene::OrdFieldSource::description
virtual String description()
Description of field, used in explain()
Lucene::OrdFieldSource::equals
virtual bool equals(const LuceneObjectPtr &other)
Needed for possible caching of query results - used by ValueSourceQuery#equals(LuceneObjectPtr).
Lucene::OrdFieldSource::OrdFieldSource
OrdFieldSource(const String &field)
Constructor for a certain field.
Lucene::ValueSource
Source of values for basic function queries.
Definition: ValueSource.h:21
Lucene
Definition: AbstractAllTermDocs.h:12
Lucene::LuceneObjectPtr
boost::shared_ptr< LuceneObject > LuceneObjectPtr
Definition: LuceneTypes.h:539
Lucene::DocValuesPtr
boost::shared_ptr< DocValues > DocValuesPtr
Definition: LuceneTypes.h:325
Lucene::IndexReaderPtr
boost::shared_ptr< IndexReader > IndexReaderPtr
Definition: LuceneTypes.h:157

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