Class InstanceManagerBindings

java/org/apache/tomcat/InstanceManagerBindings.java:25–64

Utility class for binding InstanceManager instances to class loaders.

 * Utility class for binding {@link InstanceManager} instances to class loaders.
 */
public final class InstanceManagerBindings {

    private static final Map<ClassLoader,InstanceManager> bindings = new ConcurrentHashMap<>();

    /**
     * Constructs a new InstanceManagerBindings. This constructor is private to prevent instantiation.
     */
    private InstanceManagerBindings() {
        // Hide constructor
    }

    /**
     * Bind an InstanceManager to the given class loader.
     *
     * @param classLoader the class loader
     * @param instanceManager the instance manager to bind
     */
    public static void bind(ClassLoader classLoader, InstanceManager instanceManager) {
        bindings.put(classLoader, instanceManager);
    }

    /**
     * Unbind the InstanceManager associated with the given class loader.
     *
     * @param classLoader the class loader
     */
    public static void unbind(ClassLoader classLoader) {
        bindings.remove(classLoader);
    }

    /**
     * Get the InstanceManager bound to the given class loader.
     *
     * @param classLoader the class loader
     * @return the bound InstanceManager, or {@code null} if none
     */
    public static InstanceManager get(ClassLoader classLoader) {
        return bindings.get(classLoader);
    }
}