ExtensionListListener.java

/*
 * The MIT License
 *
 * Copyright (c) 2015, CloudBees, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
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 * furnished to do so, subject to the following conditions:
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package hudson;

/**
 * {@link ExtensionList} listener.
 *
 * @author <a href="mailto:tom.fennelly@gmail.com">tom.fennelly@gmail.com</a>
 * @since 1.614
 */
public abstract class ExtensionListListener {

    /**
     * {@link ExtensionList} contents has changed.
     * <p>
     * This would be called when an entry gets added to or removed from the list for any reason e.g.
     * when a dynamically loaded plugin introduces a new {@link ExtensionPoint} implementation 
     * that adds an entry to the {@link ExtensionList} being listened to.
     */
    public abstract void onChange();
}