Class: VirtualArrayWithCache

• Inheritance
• Description
• Related information
• Instance protocol
  • collection protocol
• Examples

Inheritance:

   Object
   |
   +--Collection
      |
      +--SequenceableCollection
         |
         +--VirtualArray
            |
            +--VirtualArrayWithCache

Package:

stx:libbasic2

Category:

Collections-Arrayed

Version:

rev: 1.2 date: 2019/05/30 09:35:20

user: cg

file: VirtualArrayWithCache.st directory: libbasic2

module: stx stc-classLibrary: libbasic2

Author:

Claus Gittinger

Description:

like a VirtualArray, but caches the results of the last few accesses.
This might behave better, if it is expensive to compute the elements,
and they are often accessed repeatedly (as when showing in a listView).


[instance variables:]

[class variables:]

Related information:

Instance protocol:

 at: index

Examples:

    |factorialLines|

    factorialLines := VirtualArrayWithCache new:10000.
    factorialLines generator:[:index | index factorial printString].
    factorialLines at:1000.
    factorialLines at:1000.
    factorialLines at:10000.