Package org.jgrapht.alg.shortestpath

Class NegativeCycleDetectedException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.lang.RuntimeException

org.jgrapht.alg.shortestpath.NegativeCycleDetectedException

All Implemented Interfaces:

Serializable

public class NegativeCycleDetectedException
extends RuntimeException

An exception used to notify about the detection of a negative cycle. The exception may carry the negative cycle to the user.

Author:

Dimitrios Michail

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
NegativeCycleDetectedException()	Constructs a new exception with null as its detail message.
NegativeCycleDetectedException(String message)	Constructs a new exception with the specified detail message.
NegativeCycleDetectedException(String message, GraphPath<?,?> cycle)	Constructs a new exception with the specified detail message.

Method Summary

Modifier and Type	Method	Description
GraphPath<?,?>	getCycle()	Get the actual negative cycle, or null if not provided.
void	setCycle(GraphPath<?,?> cycle)	Set the negative cycle.

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

NegativeCycleDetectedException

public NegativeCycleDetectedException()

Constructs a new exception with null as its detail message. The cause is not initialized, and may subsequently be initialized by a call to Throwable.initCause(java.lang.Throwable).

NegativeCycleDetectedException

public NegativeCycleDetectedException(String message)

Constructs a new exception with the specified detail message. The cause is not initialized, and may subsequently be initialized by a call to Throwable.initCause(java.lang.Throwable).

Parameters:

message - the detail message. The detail message is saved for later retrieval by the Throwable.getMessage() method.

NegativeCycleDetectedException

public NegativeCycleDetectedException(String message,
                                      GraphPath<?,?> cycle)

Constructs a new exception with the specified detail message. The cause is not initialized, and may subsequently be initialized by a call to Throwable.initCause(java.lang.Throwable).

Parameters:

message - the detail message. The detail message is saved for later retrieval by the Throwable.getMessage() method.

cycle - the negative weight cycle

Method Detail

getCycle

public GraphPath<?,?> getCycle()

Get the actual negative cycle, or null if not provided.

Returns:

the negative cycle or null.

setCycle

public void setCycle(GraphPath<?,?> cycle)

Set the negative cycle.

Parameters:

cycle - the negative cycle.