Package org.apache.lucene.spatial.util
Class ShapeFieldCacheProvider<T extends org.locationtech.spatial4j.shape.Shape>
- java.lang.Object
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- org.apache.lucene.spatial.util.ShapeFieldCacheProvider<T>
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- Direct Known Subclasses:
PointPrefixTreeFieldCacheProvider
public abstract class ShapeFieldCacheProvider<T extends org.locationtech.spatial4j.shape.Shape> extends Object
Provides access to aShapeFieldCache
for a givenLeafReader
.If a Cache does not exist for the Reader, then it is built by iterating over the all terms for a given field, reconstructing the Shape from them, and adding them to the Cache.
- NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.
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Field Summary
Fields Modifier and Type Field Description protected int
defaultSize
protected String
shapeField
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Constructor Summary
Constructors Constructor Description ShapeFieldCacheProvider(String shapeField, int defaultSize)
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description ShapeFieldCache<T>
getCache(LeafReader reader)
protected abstract T
readShape(BytesRef term)
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Field Detail
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defaultSize
protected final int defaultSize
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shapeField
protected final String shapeField
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Constructor Detail
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ShapeFieldCacheProvider
public ShapeFieldCacheProvider(String shapeField, int defaultSize)
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Method Detail
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getCache
public ShapeFieldCache<T> getCache(LeafReader reader) throws IOException
- Throws:
IOException
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