/*
* JBoss, Home of Professional Open Source
* Copyright 2016, Red Hat, Inc., and individual contributors as indicated
* by the @authors tag.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.as.controller.capability.registry;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.capability.Capability;
/**
* Registry that holds possible capabilities. <p>
* Possible capabilities are definitions of capabilities that are registered on resource to provide information
* of what all real or runtime capabilities will be registered once instance of said resource is added to resource tree.
*
* @author Tomaz Cerar (c) 2015 Red Hat Inc.
*/
public interface PossibleCapabilityRegistry {
/**
* Registers a possible capability with the system.
*
* @param capability the possible capability. Cannot be {@code null}
*/
void registerPossibleCapability(Capability capability, PathAddress registrationPoint);
/**
* Remove a previously registered possible capability if all registration points for it have been removed.
*
* @param capability the capability. Cannot be {@code null}
* @param registrationPoint the specific registration point that is being removed
* @return the capability that was removed, or {@code null} if no matching capability was registered or other
* registration points for the capability still exist
*/
CapabilityRegistration<?> removePossibleCapability(Capability capability, PathAddress registrationPoint);
}