*/

This document outlines the concerns of a general plugin manager that would be used in conjunction with any Plexus-based application. The following outlined concerns are an attempt to describe what a plugin manager would need to do for Maven and for Nexus.

h2. Concerns for the plugin manager

h3. Resolving the dependencies of a plugin

    /**
     * Wrapper for managed resources
     */
    public static class ManagedResource<T extends AutoCloseable> implements AutoCloseable {
        private final T resource;
        private final String resourceId;
        private final ResourceManager manager;
        private volatile boolean closed = false;

        ManagedResource(T resource, String resourceId, ResourceManager manager) {

 *
 * {@snippet :
 * class Server {
 *   public static void main(String[] args) {
 *     Set<Service> services = ...;
 *     ServiceManager manager = new ServiceManager(services);
 *     manager.addListener(new Listener() {
 *         public void stopped() {}
 *         public void healthy() {
 *           // Services have been initialized and are healthy, start accepting requests...

 *
 * {@snippet :
 * class Server {
 *   public static void main(String[] args) {
 *     Set<Service> services = ...;
 *     ServiceManager manager = new ServiceManager(services);
 *     manager.addListener(new Listener() {
 *         public void stopped() {}
 *         public void healthy() {
 *           // Services have been initialized and are healthy, start accepting requests...

    public Date getTimestamp() {
        return timestamp;
    }

    /**
     * Sets the dictionary manager for this file and returns this instance.
     *
     * @param dictionaryManager the dictionary manager to set
     * @return this dictionary file instance for method chaining
     */
    public DictionaryFile<T> manager(final DictionaryManager dictionaryManager) {
        this.dictionaryManager = dictionaryManager;

## Context Managers { #context-managers }

### What are "Context Managers" { #what-are-context-managers }

"Context Managers" are any of those Python objects that you can use in a `with` statement.

## Context Managers { #context-managers }

### Qué son los "Context Managers" { #what-are-context-managers }

Los "Context Managers" son aquellos objetos de Python que puedes usar en una declaración `with`.

    }

    /**
     * Gets the message manager component.
     * @return The message manager.
     */
    public static MessageManager getMessageManager() {
        return getComponent(MESSAGE_MANAGER);
    }

    /**
     * Gets the dictionary manager component.
     * @return The dictionary manager.
     */
    public static DictionaryManager getDictionaryManager() {

        Arrays.fill(fileId, (byte)0x42);
        manager.updateHandleFileId(guid, fileId);
        
        // Shutdown and recreate manager
        manager.shutdown();
        
        PersistentHandleManager manager2 = new PersistentHandleManager(context);
        HandleInfo recovered = manager2.getHandleForReconnect("/test/file.txt");
        
        assertNotNull(recovered);

        this.urlFilter = urlFilter;
    }

    /**
     * Returns the rule manager.
     * @return The RuleManager instance.
     */
    public RuleManager getRuleManager() {
        return ruleManager;
    }

    /**
     * Sets the rule manager.
     * @param ruleManager The RuleManager instance to set.
     */