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## org.apache.tapestry5.plastic
Interface SwitchBlock

All Known Implementing Classes:
  SwitchBlockImpl

    public interface SwitchBlock

Support for building the equivalent of a Java switch statement.

Method Summary
`void` | `addCase(int caseValue, boolean jumpToEnd, InstructionBuilderCallback callback)` Adds a handler for a particular case value.
`void` | `addDefault(InstructionBuilderCallback callback)` Adds the default handler.

Method Detail

### addCase

    void addCase(int caseValue,
                 boolean jumpToEnd,
                 InstructionBuilderCallback callback)

  Adds a handler for a particular case value. This method should only be invoked at most once for each case value.

  Parameters:
    `caseValue` - value to match
    `jumpToEnd` - true if a jump to the end should be provided, or false if either the callback generated a return opcode, or it is desired to "drop down" into the next case handler. The last case handled drop down out of the SwitchBlock.
    `callback` - provides the logic for the specified case

### addDefault

    void addDefault(InstructionBuilderCallback callback)

  Adds the default handler. This is optional, and is only allowed after all cases have been added. The default handler automatically throws an `IllegalArgumentException`.

  Parameters:
    `callback` - provides the logic for the default handler case.

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