| /* |
| * 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.sling.discovery.base.commons; |
| |
| /** |
| * A ViewChecker is capable of issuing a heartbeat and |
| * subsequently checking the resulting, current view |
| * in the local cluster. |
| * <p> |
| * This is mostly used as hooks for testing |
| */ |
| public interface ViewChecker { |
| |
| /** |
| * Check the view (without issuing a heartbeat) |
| */ |
| public void checkView(); |
| |
| /** |
| * Issue a heartbeat and check the view |
| */ |
| public void heartbeatAndCheckView(); |
| |
| } |