Module org.apache.lucene.core

Package org.apache.lucene.document

Class ShapeDocValues.ShapeComparator

java.lang.Object

org.apache.lucene.document.ShapeDocValues.ShapeComparator

Enclosing class:

ShapeDocValues

private final class ShapeDocValues.ShapeComparator
extends Object

Shape Comparator class provides tree traversal relation methods

Field Summary

Fields

Modifier and Type	Field	Description
private final SpatialQuery.EncodedRectangle	boundingBox
private final int	centroidX
private final int	centroidY
private ShapeDocValues.Reader	dvReader
private final ShapeDocValues.Encoder	encoder
private final ShapeField.DecodedTriangle.TYPE	highestDimension
private final int	numberOfTerms
private final byte	version

Constructor Summary

Constructors

Constructor	Description
ShapeComparator(BytesRef binaryValue)

Method Summary

Modifier and Type	Method	Description
private int	getCentroidX()
private int	getCentroidY()
ShapeField.DecodedTriangle.TYPE	getHighestDimension()
private int	getMaxX()
private int	getMaxY()
private int	getMinX()
private int	getMinY()
private int	numberOfTerms()
PointValues.Relation	relate(Component2D query)	Computes a query component relation with the doc value shape; main entry point to the root of the binary tree
private PointValues.Relation	relate(Component2D queryComponent2D, boolean splitX, int pMaxX, int pMaxY, int nodeSize)	recursive traversal method recurses through tree nodes to compute relation with the query component
private PointValues.Relation	relateComponent(ShapeField.DecodedTriangle.TYPE type, SpatialQuery.EncodedRectangle bbox, int pMaxX, int pMaxY, double x, Component2D queryComponent2D)	relates the component based on type (POINT, LINE, TRIANGLE)
private PointValues.Relation	relateLine(SpatialQuery.EncodedRectangle bbox, int pMaxX, int pMaxY, double ax, Component2D query)
private PointValues.Relation	relatePoint(SpatialQuery.EncodedRectangle bbox, int pMaxY, double ax, Component2D query)
private PointValues.Relation	relateTriangle(SpatialQuery.EncodedRectangle bbox, int pMaxX, int pMaxY, double ax, Component2D queryComponent2D)
private void	skipCentroid()
private void	skipHighestDimension()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

dvReader

private ShapeDocValues.Reader dvReader

encoder

private final ShapeDocValues.Encoder encoder

version

private final byte version

numberOfTerms

private final int numberOfTerms

boundingBox

private final SpatialQuery.EncodedRectangle boundingBox

centroidX

private final int centroidX

centroidY

private final int centroidY

highestDimension

private final ShapeField.DecodedTriangle.TYPE highestDimension

Constructor Details

ShapeComparator

ShapeComparator(BytesRef binaryValue)
         throws IOException

Throws:

IOException

Method Details

numberOfTerms

private int numberOfTerms()

getMinX

private int getMinX()

getMinY

private int getMinY()

getMaxX

private int getMaxX()

getMaxY

private int getMaxY()

getHighestDimension

public ShapeField.DecodedTriangle.TYPE getHighestDimension()

getCentroidX

private int getCentroidX()

getCentroidY

private int getCentroidY()

skipCentroid

private void skipCentroid()
                   throws IOException

Throws:

IOException

skipHighestDimension

private void skipHighestDimension()
                           throws IOException

Throws:

IOException

relate

public PointValues.Relation relate(Component2D query)
                            throws IOException

Computes a query component relation with the doc value shape; main entry point to the root of the binary tree

Throws:

IOException

relate

private PointValues.Relation relate(Component2D queryComponent2D,
 boolean splitX,
 int pMaxX,
 int pMaxY,
 int nodeSize)
                             throws IOException

recursive traversal method recurses through tree nodes to compute relation with the query component

Throws:

IOException

relateComponent

private PointValues.Relation relateComponent(ShapeField.DecodedTriangle.TYPE type,
 SpatialQuery.EncodedRectangle bbox,
 int pMaxX,
 int pMaxY,
 double x,
 Component2D queryComponent2D)
                                      throws IOException

relates the component based on type (POINT, LINE, TRIANGLE)

Throws:

IOException

relatePoint

private PointValues.Relation relatePoint(SpatialQuery.EncodedRectangle bbox,
 int pMaxY,
 double ax,
 Component2D query)
                                  throws IOException

Throws:

IOException

relateLine

private PointValues.Relation relateLine(SpatialQuery.EncodedRectangle bbox,
 int pMaxX,
 int pMaxY,
 double ax,
 Component2D query)
                                 throws IOException

Throws:

IOException

relateTriangle

private PointValues.Relation relateTriangle(SpatialQuery.EncodedRectangle bbox,
 int pMaxX,
 int pMaxY,
 double ax,
 Component2D queryComponent2D)
                                     throws IOException

Throws:

IOException