| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.brooklyn.api.objs; |
| |
| import java.util.Map; |
| |
| import javax.annotation.Nullable; |
| |
| /** |
| * EntityAdjuncts are supplementary logic that can be attached to Entities, |
| * such as providing sensor enrichment or event-driven policy behavior |
| */ |
| public interface EntityAdjunct extends BrooklynObject { |
| /** |
| * A unique id for this adjunct, typically created by the system with no meaning |
| */ |
| @Override |
| String getId(); |
| |
| /** |
| * Whether the adjunct is destroyed |
| */ |
| boolean isDestroyed(); |
| |
| /** |
| * Whether the adjunct is available/active, ie started and not stopped or interrupted |
| */ |
| boolean isRunning(); |
| |
| /** |
| * An optional tag used to identify adjuncts with a specific purpose, typically created by the caller. |
| * This is used to prevent multiple instances with the same purpose from being created, |
| * and to access and customize adjuncts so created. |
| * <p> |
| * This will be included in the call to {@link #getTags()}. |
| */ |
| @Nullable String getUniqueTag(); |
| |
| Map<String, HighlightTuple> getHighlights(); |
| } |