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include
FieldCacheSource.h
Go to the documentation of this file.
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// Copyright (c) 2009-2014 Alan Wright. All rights reserved.
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// Distributable under the terms of either the Apache License (Version 2.0)
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// or the GNU Lesser General Public License.
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#ifndef FIELDCACHESOURCE_H
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#define FIELDCACHESOURCE_H
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#include "
ValueSource.h
"
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namespace
Lucene {
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class
LPPAPI
FieldCacheSource
:
public
ValueSource
{
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public
:
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FieldCacheSource
(
const
String& field);
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virtual
~
FieldCacheSource
();
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LUCENE_CLASS
(
FieldCacheSource
);
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protected
:
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String field;
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public
:
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virtual
DocValuesPtr
getValues(
const
IndexReaderPtr
& reader);
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virtual
String description();
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virtual
DocValuesPtr
getCachedFieldValues(
const
FieldCachePtr
& cache,
const
String& field,
const
IndexReaderPtr
& reader) = 0;
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virtual
bool
equals(
const
LuceneObjectPtr
& other);
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virtual
int32_t hashCode();
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virtual
bool
cachedFieldSourceEquals(
const
FieldCacheSourcePtr
& other) = 0;
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virtual
int32_t cachedFieldSourceHashCode() = 0;
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};
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}
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#endif
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