org.jplot2d.element.impl

Interface IntermediateCacheEx

All Known Implementing Classes:

ImageGraphImpl, RGBImageGraphImpl

public interface IntermediateCacheEx

Class implements this interface means it maintains a intermediate cache.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	createCacheHolder() Create a cache holder to keep intermediate calculation result.

Method Detail

createCacheHolder

java.lang.Object createCacheHolder()

Create a cache holder to keep intermediate calculation result. This method is called by PlotEnvironment.commit(), before create thread-safe copy for renderers. The PlotEnvironment will keep hard reference to the returned Object. Usually the returned object is used as key of WeakHashMap.

Returns:

an object to that PlotEnvironment should keep reference