| /* |
| * 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.apache.karaf.cellar.core.management; |
| |
| import javax.management.openmbean.TabularData; |
| |
| /** |
| * Describe the operations and attributes on the Cellar Node MBean. |
| */ |
| public interface CellarNodeMBean { |
| |
| /** |
| * Ping a node. |
| * |
| * @param nodeId the node ID. |
| * @return the time (in milliseconds) to reach the node. |
| * @throws Exception in case of ping failure. |
| */ |
| long pingNode(String nodeId) throws Exception; |
| |
| /** |
| * Get the list of nodes. |
| * |
| * @return the list of nodes. |
| * @throws Exception in case of retrieval failure. |
| */ |
| TabularData getNodes() throws Exception; |
| |
| } |