| /* |
| * Copyright 2004,2005 The Apache Software Foundation. |
| * |
| * 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.axis2.clustering.management; |
| |
| import org.apache.axis2.clustering.Member; |
| import org.apache.axis2.clustering.ClusteringFault; |
| |
| import java.util.List; |
| |
| /** |
| * This is the interface through which the load balancing event are notified. |
| * This will only be used when this member is running in loadBalance mode. In order to do this, |
| * in the axis2.xml file, set the value of the "mode" parameter to "loadBalance" and then provide |
| * the class that implements this interface using the "loadBalanceEventHandler" entry. |
| */ |
| public interface GroupManagementAgent { |
| |
| /** |
| * Set the description about this group management agent |
| * |
| * @param description The description |
| */ |
| void setDescription(String description); |
| |
| /** |
| * Get the description about this group management agent |
| * |
| * @return The description |
| */ |
| String getDescription(); |
| |
| /** |
| * An application member joined the application group |
| * |
| * @param member Represents the member who joined |
| */ |
| void applicationMemberAdded(Member member); |
| |
| /** |
| * An application member left the application group |
| * |
| * @param member Represents the member who left |
| */ |
| void applicationMemberRemoved(Member member); |
| |
| /** |
| * Get the list of current members |
| * |
| * @return List of current members |
| */ |
| List<Member> getMembers(); |
| |
| |
| /** |
| * Send a GroupManagementCommand to the group |
| * |
| * @param command The command |
| * @throws ClusteringFault If an error occurs while sending the command |
| */ |
| void send(GroupManagementCommand command) throws ClusteringFault; |
| } |