# Interface: com.pnfsoftware.jeb.core.units.code.asm.decompiler.opt.IOptimizer
- Type Parameter: T extends `com.pnfsoftware.jeb.core.units.code.asm.decompiler.opt.IOptimizerTarget`

- Super interfaces: `com.pnfsoftware.jeb.core.IPlugin`

Plugin interface for generic code optimizer. This interface is currently used to define IR and  AST optimizers used by JEB Native Analysis Pipeline components. Optimizers are managed and  invoked by a [master\-optimizer](com.pnfsoftware.jeb.core.units.code.asm.decompiler.opt.IMasterOptimizer.md).  

  Refer to the two specialized interfaces, [IEOptimizer](com.pnfsoftware.jeb.core.units.code.asm.decompiler.ir.opt.IEOptimizer.md) for IR codes; [ICOptimizer](com.pnfsoftware.jeb.core.units.code.asm.decompiler.ast.opt.ICOptimizer.md)  for AST trees.

## Static Final Field: DEAD_CODE_REMOVER
Type: `java.lang.String`

Constant value: `dcr`
Description: A well\-known optimizer tag used to indicate that an optimizer is removing code it deems  useless or dead.

## Static Final Field: DEOBFUSCATOR
Type: `java.lang.String`

Constant value: `deobfuscator`
Description: A well\-known optimizer tag used to indicate that an optimizer is categorized as an explicit  deobfuscator.

## Static Final Field: PRIORITY_HIGH
Type: `double`

Constant value: `10.0`
Description: A priority value well\-suited for high\-priority optimizers.

## Static Final Field: PRIORITY_LOW
Type: `double`

Constant value: `-10.0`
Description: A priority value well\-suited for low\-priority optimizers.

## Static Final Field: PRIORITY_STANDARD
Type: `double`

Constant value: `0.0`
Description: A priority value well\-suited for normal\-priority optimizers.

## Abstract Method: getMasterOptimizer
- return type: `com.pnfsoftware.jeb.core.units.code.asm.decompiler.opt.IMasterOptimizer<T>`

Description: Retrieve the optional master optimizer that manages this optimizer.
return: optional reference

## Abstract Method: getPreferredExecutionStage
- return type: `int`

Description: This method is used for on\-demand optimizers only.
return: the preferred execution stage

## Abstract Method: getPriority
- return type: `double`

Description: Get the optimizer priority. A higher value means higher priority. Priorities are used by  [master optimizers](com.pnfsoftware.jeb.core.units.code.asm.decompiler.opt.IMasterOptimizer.md) to order optimizers.
return: the optimizer priority

## Abstract Method: getRequiredModeThreshold
- return type: `com.pnfsoftware.jeb.core.units.code.asm.decompiler.opt.OptimizerMode`

Description: Specify the minimum bar requested from the orchestrator in order to run. If that bar is not  met, the orchestrator should not run the optimizer. Refer to [AbstractMasterOptimizer](com.pnfsoftware.jeb.core.units.code.asm.decompiler.opt.AbstractMasterOptimizer.md)  for existing thresholds.
return: the minimum optimizer mode required to run this optimizer

## Abstract Method: getTags
- return type: `java.util.Set<java.lang.String>`

Description: Get the optimizer tags. An optimizer may have 0, 1, or more tags. A tag is a non\-null,  non\-empty string.
return: a collection of tags; may be empty \(tags are optional\), but never null

## Abstract Method: getType
- return type: `com.pnfsoftware.jeb.core.units.code.asm.decompiler.opt.OptimizerType`

Description: Retrieve the type of this optimizer.
return: the optimizer type

## Abstract Method: performOnTarget
- parameter: `target`, type: `T`
- return type: `int`

Description: Perform the optimization pass.
parameter: target: target to optimize
return: the number of optimizations performed; if negative, an error has occurred and the          optimizing process should be aborted

## Abstract Method: setMasterOptimizer
- parameter: `mo`, type: `com.pnfsoftware.jeb.core.units.code.asm.decompiler.opt.IMasterOptimizer<T>`

Description: Set an optional master optimizer that manages this optimizer.
parameter: mo: optional