IdentityFlowFunction (API Reference for wala 1.3.9)

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java.lang.Object
- com.ibm.wala.dataflow.IFDS.IdentityFlowFunction

All Implemented Interfaces:

IFlowFunction, IReversibleFlowFunction, IUnaryFlowFunction
```
public class IdentityFlowFunction
extends Object
implements IReversibleFlowFunction
```
A flow function where out == in

Constructor Summary

Constructors
Constructor and Description

IdentityFlowFunction()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`SparseIntSet`	`getSources(int i)`
`SparseIntSet`	`getTargets(int i)`
`static IdentityFlowFunction`	`identity()`
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - IdentityFlowFunction
```
public IdentityFlowFunction()
```
- Method Detail
  - getTargets
```
public SparseIntSet getTargets(int i)
```
    Specified by:
    
    getTargets in interface IUnaryFlowFunction
    
    Returns:
    
    set of d2 such that (d1,d2) is an edge in this distributive function's graph representation, or null if there are none
  - getSources
```
public SparseIntSet getSources(int i)
```
    Specified by:
    
    getSources in interface IReversibleFlowFunction
    
    Returns:
    
    set of d1 such that (d1,d2) is an edge in this distributive function's graph representation, or null if there are none
  - identity
```
public static IdentityFlowFunction identity()
```
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

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