## Uses of Package
org.biojava.utils

Packages that use org.biojava.utils
org.biojava.bio: The core classes that will be used throughout the bio packages.
org.biojava.bio.alignment: Classes to generate and describe sequence alignments.
org.biojava.bio.annodb: Databases of generic structured data (annotation) objects.
org.biojava.bio.dist: Probability distributions over Alphabets.
org.biojava.bio.dp: HMM and Dynamic Programming Algorithms.
org.biojava.bio.gui.sequence: Graphical displays of biological sequences and associated annotations.
org.biojava.bio.molbio: The classes and interfaces in this package cover common molecular biological techniques such as restriction digests and PCR.
org.biojava.bio.program.das: Development client for the Distributed Annotation System.
org.biojava.bio.program.gff: GFF manipulation.
org.biojava.bio.program.gff3: Support for reading and writing GFF3.
org.biojava.bio.program.hmmer: Tools for working with profile Hidden Markov Models from the HMMer package.
org.biojava.bio.program.homologene: Support classes for Homologene data.
org.biojava.bio.program.indexdb: A flat-file ascii index of ascii flat files as per the OBDA specification.
org.biojava.bio.program.phred: Parser for Phred output
org.biojava.bio.program.tagvalue: Process files as streams of records, each with tags with values.
org.biojava.bio.program.unigene: Objects for representing Unigene clusters.
org.biojava.bio.program.xff: Event-driven parsing system for the Extensible Feature Format (XFF).
org.biojava.bio.proteomics: Utilities to aid in performing various physical analysis of proteins.
org.biojava.bio.search: Interfaces and classes for representing sequence similarity search results.
org.biojava.bio.seq: Classes and interfaces for defining biological sequences and informatics objects.
org.biojava.bio.seq.db: Collections of biological sequence data.
org.biojava.bio.seq.db.biofetch: Client for the OBDA BioFetch protocol.
org.biojava.bio.seq.db.biosql: General purpose Sequence storage in a relational database.
org.biojava.bio.seq.db.flat: Support for OBDA flatfile databases.
org.biojava.bio.seq.distributed: Sequences and SequenceDBs which are composed from data taken from a number of data sources.
org.biojava.bio.seq.homol: The classes and interfaces for defining sequence similarity and honology.
org.biojava.bio.seq.impl: Standard in-memory implementations of `Sequence` and `Feature`.
org.biojava.bio.seq.io: Classes and interfaces for processing and producing flat-file representations of sequences.
org.biojava.bio.seq.projection: Code for projecting Feature objects and systematically altering their properties.
org.biojava.bio.symbol: Representation of the Symbols that make up a sequence, and locations within them.
org.biojava.bio.taxa: Taxonomy object for representing species information.
org.biojava.ontology: A general-purpose API for ontologies.
org.biojava.utils: Miscellaneous utility classes used by other BioJava components.
org.biojava.utils.cache: A simple cache system with pluggable caching behaviours.
org.biojava.utils.process: Classes and interfaces to execute external processes and to handle its input and output streams in multiple threads.
org.biojavax: The Biojava extensions packages, classes that extend the core biojava functionality
org.biojavax.bio: Classes to represent biological entities and their relationships.
org.biojavax.bio.db: Interactions between biojavax objects and a DB.
org.biojavax.bio.db.biosql: Interface between biojava and biosql databases
org.biojavax.bio.db.ncbi: Interfaces to NCBI data.
org.biojavax.bio.seq: Rich implementations of Sequences, Locations and Features.
org.biojavax.bio.taxa: Objects that model the NCBI taxonomy schema as described in the BioSQL schema.
org.biojavax.ga: Classes to provide a genetic algorithm framework
org.biojavax.ga.functions: GA functions
org.biojavax.ga.impl: Default implementations and abstract classes.
org.biojavax.ontology: Extensions to the biojava ontology model that represent BioSQL ontology.

Classes in org.biojava.utils used by org.biojava.bio
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeEvent Event which encapsulates a change in any mutable BioJava object.
ChangeForwarder This is a ChangeListener that is designed to adapt events of one type from one source to events of another type emitted by another source.
ChangeListener Interface for objects which listen to ChangeEvents.
ChangeSupport A utility class to provide management for informing ChangeListeners of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojava.bio.alignment
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojava.bio.annodb
CommitFailure
ParserException Exception thrown when an error occurs in document parsing.

Classes in org.biojava.utils used by org.biojava.bio.dist
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeEvent Event which encapsulates a change in any mutable BioJava object.
ChangeForwarder This is a ChangeListener that is designed to adapt events of one type from one source to events of another type emitted by another source.
ChangeListener Interface for objects which listen to ChangeEvents.
ChangeSupport A utility class to provide management for informing ChangeListeners of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.
Unchangeable This is a utility implementation of Changeable that doesn't fire any events or keep references to any listeners.

Classes in org.biojava.utils used by org.biojava.bio.dp
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeForwarder This is a ChangeListener that is designed to adapt events of one type from one source to events of another type emitted by another source.
ChangeSupport A utility class to provide management for informing ChangeListeners of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.
Unchangeable This is a utility implementation of Changeable that doesn't fire any events or keep references to any listeners.

Classes in org.biojava.utils used by org.biojava.bio.gui.sequence
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeEvent Event which encapsulates a change in any mutable BioJava object.
ChangeForwarder This is a ChangeListener that is designed to adapt events of one type from one source to events of another type emitted by another source.
ChangeListener Interface for objects which listen to ChangeEvents.
ChangeSupport A utility class to provide management for informing ChangeListeners of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojava.bio.molbio
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ThreadPool `ThreadPool` specifies basic thread-pooling operations such that third-party implementations may be used without requiring changes to BioJava.

Classes in org.biojava.utils used by org.biojava.bio.program.das
AbstractChangeable Useful base-class for objects implementing Changeable
ActivityListener Interface for object which monitor long-running activities.
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeForwarder This is a ChangeListener that is designed to adapt events of one type from one source to events of another type emitted by another source.
ChangeListener Interface for objects which listen to ChangeEvents.
ChangeSupport A utility class to provide management for informing ChangeListeners of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.
Unchangeable This is a utility implementation of Changeable that doesn't fire any events or keep references to any listeners.

Classes in org.biojava.utils used by org.biojava.bio.program.gff
ParserException Exception thrown when an error occurs in document parsing.

Classes in org.biojava.utils used by org.biojava.bio.program.gff3
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.
ParserException Exception thrown when an error occurs in document parsing.

Classes in org.biojava.utils used by org.biojava.bio.program.hmmer
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojava.bio.program.homologene
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojava.bio.program.indexdb
CommitFailure
ParserException Exception thrown when an error occurs in document parsing.

Classes in org.biojava.utils used by org.biojava.bio.program.phred
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ParseErrorEvent Event which signals a bad line when parsing a record.
ParseErrorListener Listener for a ParseErrorEvent.
ParseErrorSource Source for a ParseErrorEvent.

Classes in org.biojava.utils used by org.biojava.bio.program.tagvalue
ParserException Exception thrown when an error occurs in document parsing.

Classes in org.biojava.utils used by org.biojava.bio.program.unigene
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.
ParserException Exception thrown when an error occurs in document parsing.

Classes in org.biojava.utils used by org.biojava.bio.program.xff
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojava.bio.proteomics
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojava.bio.search
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeForwarder This is a ChangeListener that is designed to adapt events of one type from one source to events of another type emitted by another source.
ChangeSupport A utility class to provide management for informing ChangeListeners of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
TriState Class that represents the tristate values possible in a logical operation: true, false and indeterminate.

Classes in org.biojava.utils used by org.biojava.bio.seq
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeForwarder This is a ChangeListener that is designed to adapt events of one type from one source to events of another type emitted by another source.
ChangeSupport A utility class to provide management for informing ChangeListeners of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.
Unchangeable This is a utility implementation of Changeable that doesn't fire any events or keep references to any listeners.

Classes in org.biojava.utils used by org.biojava.bio.seq.db
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeEvent Event which encapsulates a change in any mutable BioJava object.
ChangeForwarder This is a ChangeListener that is designed to adapt events of one type from one source to events of another type emitted by another source.
ChangeListener Interface for objects which listen to ChangeEvents.
ChangeSupport A utility class to provide management for informing ChangeListeners of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojava.bio.seq.db.biofetch
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.
Unchangeable This is a utility implementation of Changeable that doesn't fire any events or keep references to any listeners.

Classes in org.biojava.utils used by org.biojava.bio.seq.db.biosql
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojava.bio.seq.db.flat
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.
Unchangeable This is a utility implementation of Changeable that doesn't fire any events or keep references to any listeners.

Classes in org.biojava.utils used by org.biojava.bio.seq.distributed
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeSupport A utility class to provide management for informing ChangeListeners of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojava.bio.seq.homol
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.
Unchangeable This is a utility implementation of Changeable that doesn't fire any events or keep references to any listeners.

Classes in org.biojava.utils used by org.biojava.bio.seq.impl
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeForwarder This is a ChangeListener that is designed to adapt events of one type from one source to events of another type emitted by another source.
ChangeListener Interface for objects which listen to ChangeEvents.
ChangeSupport A utility class to provide management for informing ChangeListeners of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.
Unchangeable This is a utility implementation of Changeable that doesn't fire any events or keep references to any listeners.

Classes in org.biojava.utils used by org.biojava.bio.seq.io
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.
ParseErrorEvent Event which signals a bad line when parsing a record.
ParseErrorListener Listener for a ParseErrorEvent.
ParseErrorSource Source for a ParseErrorEvent.
Unchangeable This is a utility implementation of Changeable that doesn't fire any events or keep references to any listeners.

Classes in org.biojava.utils used by org.biojava.bio.seq.projection
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeEvent Event which encapsulates a change in any mutable BioJava object.
ChangeListener Interface for objects which listen to ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojava.bio.symbol
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeEvent Event which encapsulates a change in any mutable BioJava object.
ChangeForwarder This is a ChangeListener that is designed to adapt events of one type from one source to events of another type emitted by another source.
ChangeListener Interface for objects which listen to ChangeEvents.
ChangeSupport A utility class to provide management for informing ChangeListeners of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.
Unchangeable This is a utility implementation of Changeable that doesn't fire any events or keep references to any listeners.

Classes in org.biojava.utils used by org.biojava.bio.taxa
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeSupport A utility class to provide management for informing ChangeListeners of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojava.ontology
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeSupport A utility class to provide management for informing ChangeListeners of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.
Unchangeable This is a utility implementation of Changeable that doesn't fire any events or keep references to any listeners.

Classes in org.biojava.utils used by org.biojava.utils
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeAdapter This is a ChangeListener that ignores everything.
ChangeEvent Event which encapsulates a change in any mutable BioJava object.
ChangeForwarder This is a ChangeListener that is designed to adapt events of one type from one source to events of another type emitted by another source.
ChangeHub Interface implemented by ChangeHubs, i.e.
ChangeListener Interface for objects which listen to ChangeEvents.
ChangeSupport A utility class to provide management for informing ChangeListeners of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.
Commitable Implementations of `Commitable` support atomic changes from one known state to another via commit/rollback semantics.
CommitFailure
IndexedChangeHub.ListenerMemento
ListTools.Mapper Maps one object to another.
ListTools.SeriesList A list that represents a series of values.
MergingSet
ParseErrorEvent Event which signals a bad line when parsing a record.
ParseErrorListener Listener for a ParseErrorEvent.
ProcessTimeoutException Exception which is thrown if a child process managed by `ProcessTools` exceeds a specified time limit.
ThreadPool `ThreadPool` specifies basic thread-pooling operations such that third-party implementations may be used without requiring changes to BioJava.
TriState Class that represents the tristate values possible in a logical operation: true, false and indeterminate.

Classes in org.biojava.utils used by org.biojava.utils.cache
ChangeType Class for all constants which are used to indicate change types.

Classes in org.biojava.utils used by org.biojava.utils.process
ThreadPool `ThreadPool` specifies basic thread-pooling operations such that third-party implementations may be used without requiring changes to BioJava.

Classes in org.biojava.utils used by org.biojavax
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.
Unchangeable This is a utility implementation of Changeable that doesn't fire any events or keep references to any listeners.

Classes in org.biojava.utils used by org.biojavax.bio
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojavax.bio.db
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojavax.bio.db.biosql
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojavax.bio.db.ncbi
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.

Classes in org.biojava.utils used by org.biojavax.bio.seq
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeListener Interface for objects which listen to ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.
Unchangeable This is a utility implementation of Changeable that doesn't fire any events or keep references to any listeners.

Classes in org.biojava.utils used by org.biojavax.bio.taxa
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojavax.ga
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojavax.ga.functions
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeListener Interface for objects which listen to ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojavax.ga.impl
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.

Classes in org.biojava.utils used by org.biojavax.ontology
AbstractChangeable Useful base-class for objects implementing Changeable
Changeable This is a flag interface that defines the common add/remove listener methods for classes and interfaces that wish to indicate that they are sources of ChangeEvents.
ChangeType Class for all constants which are used to indicate change types.
ChangeVetoException Exception which is thrown when a ChangeListener does not wish a change to take place.