# Uses of Interface
org.apache.tapestry5.plastic.WhenCallback

Packages that use WhenCallback
Package
Description
org.apache.tapestry5.internal.plastic
[INTERNAL USE ONLY] Plastic implementation details; API subject to change
org.apache.tapestry5.plastic
Plastic, Tapestry's component class transformation library based on ASM

- ## Uses of WhenCallback in org.apache.tapestry5.internal.plastic

  Methods in org.apache.tapestry5.internal.plastic with parameters of type WhenCallback
  Modifier and Type
  Method
  Description
  `InstructionBuilder`
  InstructionBuilderImpl.`when(Condition condition, WhenCallback callback)`

- ## Uses of WhenCallback in org.apache.tapestry5.plastic

  Methods in org.apache.tapestry5.plastic with parameters of type WhenCallback
  Modifier and Type
  Method
  Description
  `InstructionBuilder`
  InstructionBuilder.`when(Condition condition, WhenCallback callback)`
  Executes conditional code based on a `Condition`.