DoubleFieldSource.h

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// Copyright (c) 2009-2014 Alan Wright. All rights reserved.
// Distributable under the terms of either the Apache License (Version 2.0)
// or the GNU Lesser General Public License.
 
#ifndef DOUBLEFIELDSOURCE_H
#define DOUBLEFIELDSOURCE_H
 
#include "FieldCacheSource.h"
#include "DocValues.h"
 
namespace Lucene {

class DoubleFieldSource : public FieldCacheSource {
public:
    DoubleFieldSource(const String& field, const DoubleParserPtr& parser = DoubleParserPtr());
    virtual ~DoubleFieldSource();
 
    LUCENE_CLASS(DoubleFieldSource);
 
protected:
    DoubleParserPtr parser;
 
public:
    virtual String description();
    virtual DocValuesPtr getCachedFieldValues(const FieldCachePtr& cache, const String& field, const IndexReaderPtr& reader);
    virtual bool cachedFieldSourceEquals(const FieldCacheSourcePtr& other);
    virtual int32_t cachedFieldSourceHashCode();
};
 
class DoubleDocValues : public DocValues {
public:
    DoubleDocValues(const DoubleFieldSourcePtr& source, Collection<double> arr);
    virtual ~DoubleDocValues();
 
    LUCENE_CLASS(DoubleDocValues);
 
protected:
    DoubleFieldSourceWeakPtr _source;
    Collection<double> arr;
 
public:
    virtual double doubleVal(int32_t doc);
    virtual String toString(int32_t doc);
    virtual CollectionValue getInnerArray();
};
 
}
 
#endif