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DoubleFieldSource.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 DOUBLEFIELDSOURCE_H
8 #define DOUBLEFIELDSOURCE_H
9 
10 #include "FieldCacheSource.h"
11 #include "DocValues.h"
12 
13 namespace Lucene {
14 
26 public:
29  virtual ~DoubleFieldSource();
30 
32 
33 protected:
35 
36 public:
37  virtual String description();
38  virtual DocValuesPtr getCachedFieldValues(const FieldCachePtr& cache, const String& field, const IndexReaderPtr& reader);
39  virtual bool cachedFieldSourceEquals(const FieldCacheSourcePtr& other);
40  virtual int32_t cachedFieldSourceHashCode();
41 };
42 
43 class DoubleDocValues : public DocValues {
44 public:
46  virtual ~DoubleDocValues();
47 
49 
50 protected:
53 
54 public:
55  virtual double doubleVal(int32_t doc);
56  virtual String toString(int32_t doc);
57  virtual CollectionValue getInnerArray();
58 };
59 
60 }
61 
62 #endif
LUCENE_CLASS
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Lucene::Collection< double >
Lucene::DoubleFieldSource::description
virtual String description()
Description of field, used in explain()
Lucene::DoubleFieldSource::DoubleFieldSource
DoubleFieldSource(const String &field, const DoubleParserPtr &parser=DoubleParserPtr())
Create a cached double field source with a specific string-to-double parser.
Lucene::DoubleFieldSource::getCachedFieldValues
virtual DocValuesPtr getCachedFieldValues(const FieldCachePtr &cache, const String &field, const IndexReaderPtr &reader)
Return cached DocValues for input field and reader.
Lucene::DoubleFieldSource::cachedFieldSourceHashCode
virtual int32_t cachedFieldSourceHashCode()
Return a hash code of a FieldCacheSource, without the hash-codes of the field and the cache (those ar...
Lucene::DocValues
Represents field values as different types. Normally created via a ValueSuorce for a particular field...
Definition: DocValues.h:22
Lucene::DoubleFieldSourceWeakPtr
boost::weak_ptr< DoubleFieldSource > DoubleFieldSourceWeakPtr
Definition: LuceneTypes.h:327
Lucene::DoubleFieldSource::cachedFieldSourceEquals
virtual bool cachedFieldSourceEquals(const FieldCacheSourcePtr &other)
Check if equals to another FieldCacheSource, already knowing that cache and field are equal.
Lucene::DoubleFieldSourcePtr
boost::shared_ptr< DoubleFieldSource > DoubleFieldSourcePtr
Definition: LuceneTypes.h:327
Lucene
Definition: AbstractAllTermDocs.h:12
Lucene::DoubleFieldSource::parser
DoubleParserPtr parser
Definition: DoubleFieldSource.h:31
Lucene::DoubleParserPtr
boost::shared_ptr< DoubleParser > DoubleParserPtr
Definition: LuceneTypes.h:328
Lucene::IndexReaderPtr
boost::shared_ptr< IndexReader > IndexReaderPtr
Definition: LuceneTypes.h:157
DocValues.h
Lucene::DoubleDocValues
Definition: DoubleFieldSource.h:43
Lucene::DoubleDocValues::getInnerArray
virtual CollectionValue getInnerArray()
For test purposes only, return the inner array of values, or null if not applicable.
Lucene::FieldCacheSource::field
String field
Definition: FieldCacheSource.h:34
Lucene::DoubleDocValues::doubleVal
virtual double doubleVal(int32_t doc)
Return doc value as a double. Mandatory: every DocValues implementation must implement at least this ...
Lucene::DoubleFieldSource
Obtains double field values from the FieldCache using getDoubles() and makes those values available a...
Definition: DoubleFieldSource.h:25
Lucene::FieldCacheSourcePtr
boost::shared_ptr< FieldCacheSource > FieldCacheSourcePtr
Definition: LuceneTypes.h:345
Lucene::DoubleDocValues::_source
DoubleFieldSourceWeakPtr _source
Definition: DoubleFieldSource.h:48
Lucene::DocValuesPtr
boost::shared_ptr< DocValues > DocValuesPtr
Definition: LuceneTypes.h:325
Lucene::FieldCacheSource
A base class for ValueSource implementations that retrieve values for a single field from the FieldCa...
Definition: FieldCacheSource.h:28
Lucene::DoubleFieldSource::~DoubleFieldSource
virtual ~DoubleFieldSource()
FieldCacheSource.h
Lucene::FieldCachePtr
boost::shared_ptr< FieldCache > FieldCachePtr
Definition: LuceneTypes.h:334
Lucene::DoubleDocValues::~DoubleDocValues
virtual ~DoubleDocValues()
Lucene::DoubleDocValues::DoubleDocValues
DoubleDocValues(const DoubleFieldSourcePtr &source, Collection< double > arr)
Lucene::DoubleDocValues::arr
Collection< double > arr
Definition: DoubleFieldSource.h:52
Lucene::LuceneObject::toString
virtual String toString()
Returns a string representation of the object.

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