UnknownVertex (com.ibm.wala.cast.js 1.6.0 API)

java.lang.Object
- com.ibm.wala.cast.js.callgraph.fieldbased.flowgraph.vertices.Vertex
- - com.ibm.wala.cast.js.callgraph.fieldbased.flowgraph.vertices.UnknownVertex

```
public class UnknownVertex
extends Vertex
```
The unknown vertex is used to model complicated data flow. For instance, thrown exceptions flow into Unknown, and catch blocks read their values from it.

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  static UnknownVertex INSTANCE
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  <T> T accept(VertexVisitor<T> visitor)
  
  java.lang.String toString()
  - Methods inherited from class com.ibm.wala.cast.js.callgraph.fieldbased.flowgraph.vertices.Vertex
    toSourceLevelString
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

INSTANCE

public static final UnknownVertex INSTANCE

Method Detail
- accept
```
public <T> T accept(VertexVisitor<T> visitor)
```
  Specified by:
  
  accept in class Vertex
- toString
```
public java.lang.String toString()
```
  Overrides:
  
  toString in class java.lang.Object