GraphElementException

java.lang.Object
- java.lang.Throwable
- - java.lang.Exception
  - - java.lang.RuntimeException
    - - ptolemy.graph.GraphException
      - ptolemy.graph.GraphElementException

All Implemented Interfaces:

java.io.Serializable
```
public class GraphElementException
extends GraphException
```
The exception of accessing graph elements in wrong ways. This exception could be caused by accessing nonexistent elements or elements with incorrect association values.

Since:

Ptolemy II 2.1

Version:

$Id$

Author:

Mingyung Ko, Shuvra S. Bhattacharyya

See Also:

Serialized Form

Pt.AcceptedRating:

Red (ssb)

Pt.ProposedRating:

Red (myko)

Constructor Summary

Constructors
Constructor	Description
`GraphElementException(java.lang.String message)`	Constructor for a given message.
`GraphElementException(Element element, Graph graph, java.lang.String message)`	Constructor with arguments of element, graph, and a message.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static void`	`checkEdge(Edge edge, Graph graph)`	Verify that an edge is in the container graph.
`static void`	`checkNode(Node node, Graph graph)`	Verify that a node is in the container graph.

Methods inherited from class ptolemy.graph.GraphException
_elementDump, elementDump, graphDump, weightDump

Methods inherited from class java.lang.Throwable
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

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

- Constructor Detail
  - GraphElementException
```
public GraphElementException(java.lang.String message)
```
    Constructor for a given message.
    
    Parameters:
    
    message - The message.
  - GraphElementException
```
public GraphElementException(Element element,
                             Graph graph,
                             java.lang.String message)
```
    Constructor with arguments of element, graph, and a message.
    
    Parameters:
    
    element - The invalid element.
    
    graph - The graph accessed.
    
    message - The exception message.
- Method Detail
  - checkNode
```
public static void checkNode(Node node,
                             Graph graph)
```
    Verify that a node is in the container graph.
    
    Parameters:
    
    node - The node to verify.
    
    graph - The container graph.
    
    Throws:
    
    java.lang.IllegalArgumentException - If the node is not in the graph.
  - checkEdge
```
public static void checkEdge(Edge edge,
                             Graph graph)
```
    Verify that an edge is in the container graph.
    
    Parameters:
    
    edge - The edge to verify.
    
    graph - The container graph.
    
    Throws:
    
    java.lang.IllegalArgumentException - If the edge is not in the graph.