InstructionTargeter

All Known Implementing Classes:

BranchInstruction, CodeExceptionGen, GOTO, GOTO_W, GotoInstruction, IF_ACMPEQ, IF_ACMPNE, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IFEQ, IFGE, IFGT, IfInstruction, IFLE, IFLT, IFNE, IFNONNULL, IFNULL, JSR, JSR_W, JsrInstruction, LineNumberGen, LocalVariableGen, LOOKUPSWITCH, Select, TABLESWITCH
```
public interface InstructionTargeter
```
Denote that a class targets InstructionHandles within an InstructionList. Namely the following implementers:

See Also:

BranchHandle, LocalVariableGen, CodeExceptionGen

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`containsTarget(InstructionHandle ih)`	Checks whether this targeter targets the specified instruction handle.
`void`	`updateTarget(InstructionHandle old_ih, InstructionHandle new_ih)`	Replaces the target of this targeter from this old handle to the new handle.

- Method Detail
  - containsTarget
```
boolean containsTarget(InstructionHandle ih)
```
    Checks whether this targeter targets the specified instruction handle.
  - updateTarget
```
void updateTarget(InstructionHandle old_ih,
                  InstructionHandle new_ih)
           throws ClassGenException
```
    Replaces the target of this targeter from this old handle to the new handle.
    
    Parameters:
    
    old_ih - the old handle
    
    new_ih - the new handle
    
    Throws:
    
    ClassGenException - if old_ih is not targeted by this object