S2ShapeIndexCoder.EncodedS2ShapeIndex.LazyCell

java.lang.Object

com.google.common.geometry.S2ShapeIndex.Cell

com.google.common.geometry.S2ShapeIndexCoder.EncodedS2ShapeIndex.LazyCell

All Implemented Interfaces:: S2Iterator.Entry, Serializable

Enclosing class:: S2ShapeIndexCoder.EncodedS2ShapeIndex

private final class S2ShapeIndexCoder.EncodedS2ShapeIndex.LazyCell extends S2ShapeIndex.Cell

A lazy implementation of S2ShapeIndex.Cell which decodes members on demand.

Field Summary

Fields

Modifier and Type

Field

Description

private S2CellId

cachedCellId

private S2ShapeIndex.S2ClippedShape[]

cachedClippedShapes

private final int

i

The index of this cell.
Constructor Summary

Constructors

Constructor

Description

LazyCell(int i)
Method Summary

Modifier and Type

Method

Description

S2ShapeIndex.S2ClippedShape

clipped(int i)

Returns the clipped shape at the given index.

long

id()

Returns the cell ID of this cell as a primitive.

private S2ShapeIndex.S2ClippedShape[]

loadClippedShapesFromCache()

Returns cachedClippedShapes if it's already cached.

int

numShapes()

Returns the number of clipped shapes in this cell.

Methods inherited from class com.google.common.geometry.S2ShapeIndex.Cell
create, findClipped

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- i
  
  private final int i
  
  The index of this cell.
- cachedCellId
  
  private S2CellId cachedCellId
- cachedClippedShapes
  
  private volatile S2ShapeIndex.S2ClippedShape[] cachedClippedShapes
Constructor Details
- LazyCell
  
  LazyCell(int i)
Method Details
- loadClippedShapesFromCache
  
  private S2ShapeIndex.S2ClippedShape[] loadClippedShapesFromCache()
  
  Returns cachedClippedShapes if it's already cached. Otherwise, loads the clipped shapes from S2ShapeIndexCoder.EncodedS2ShapeIndex.encodedCells and stores it in cachedClippedShapes.
- id
  
  public long id()
  
  Description copied from interface: S2Iterator.Entry
  
  Returns the cell ID of this cell as a primitive.
  
  Specified by:
  
  id in interface S2Iterator.Entry
  
  Overrides:
  
  id in class S2ShapeIndex.Cell
- numShapes
  
  public int numShapes()
  
  Description copied from class: S2ShapeIndex.Cell
  
  Returns the number of clipped shapes in this cell.
  
  Specified by:
  
  numShapes in class S2ShapeIndex.Cell
- clipped
  
  public S2ShapeIndex.S2ClippedShape clipped(int i)
  
  Description copied from class: S2ShapeIndex.Cell
  
  Returns the clipped shape at the given index.
  
  Specified by:
  
  clipped in class S2ShapeIndex.Cell
  
  Parameters:
  
  i - must be at least 0 and less than S2ShapeIndex.Cell.numShapes()