Package search

Class FrontierEmptyException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.lang.RuntimeException

java.lang.IllegalStateException

search.FrontierEmptyException

All Implemented Interfaces:

Serializable

public class FrontierEmptyException
extends IllegalStateException

Thrown when a frontier structure is empty. Generally this exception indicates something wrong in the implementation of the frontier, or else something very wrong in the search method: this method arises from the pop method of the frontier representation, but pop is only called after verifying that isEmpty is false.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
FrontierEmptyException()
FrontierEmptyException(Throwable cause)	Used when the underlying data structure of the frontier throws an exception.

Method Summary

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

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

FrontierEmptyException

public FrontierEmptyException()

FrontierEmptyException

public FrontierEmptyException(Throwable cause)

Used when the underlying data structure of the frontier throws an exception.

Parameters:

cause - Exeception caught from a method call on the underlying structure on behalf of the pop method.