TilePlaceholder.BufferRef

java.lang.Object

java.lang.ref.Reference<T>

java.lang.ref.WeakReference<DataBuffer>

org.apache.sis.internal.coverage.j2d.TilePlaceholder.BufferRef

All Implemented Interfaces:: Disposable

Enclosing class:: TilePlaceholder

private static final class TilePlaceholder.BufferRef extends WeakReference<DataBuffer> implements Disposable

Weak reference to a data buffer. The enclosing TilePlaceholder is protected from garbage collection as long as the weak reference is live.

Field Summary

Fields

Modifier and Type

Field

Description

private TilePlaceholder

owner

Prevents the enclosing class to be garbage-collected too early by the TilePlaceholder.CACHE.
Constructor Summary

Constructors

Constructor

Description

BufferRef(TilePlaceholder owner, DataBuffer buffer)

Creates a new reference to the given buffer.
Method Summary

Modifier and Type

Method

Description

void

dispose()

Allows the enclosing TilePlaceholder to be garbage-collected.

Methods inherited from class java.lang.ref.Reference
clear, enqueue, get, isEnqueued

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

Field Details
- owner
  
  private TilePlaceholder owner
  
  Prevents the enclosing class to be garbage-collected too early by the TilePlaceholder.CACHE. If the DataBuffer is still referenced by some Raster, then we need the TilePlaceholder to continue to exist in the TilePlaceholder.CACHE in order to be able to reuse that DataBuffer.
Constructor Details
- BufferRef
  
  BufferRef(TilePlaceholder owner, DataBuffer buffer)
  
  Creates a new reference to the given buffer.
Method Details
- dispose
  
  public void dispose()
  
  Allows the enclosing TilePlaceholder to be garbage-collected.
  
  Specified by:
  
  dispose in interface Disposable