| /* |
| * 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.unomi.api.services; |
| |
| import org.apache.unomi.api.ClusterNode; |
| |
| import java.io.Serializable; |
| import java.util.Date; |
| import java.util.List; |
| |
| /** |
| * A service to access information about the context server's cluster. |
| * |
| */ |
| public interface ClusterService { |
| |
| /** |
| * Retrieves the list of available nodes for this context server instance. |
| * |
| * @return a list of {@link ClusterNode} |
| */ |
| List<ClusterNode> getClusterNodes(); |
| |
| /** |
| * Removes all data before the specified date from the context server. |
| * |
| * @param date the Date before which all data needs to be removed |
| */ |
| void purge(final Date date); |
| |
| /** |
| * Removes all data associated with the provided scope. |
| * |
| * @param scope the scope for which we want to remove data |
| */ |
| void purge(final String scope); |
| |
| /** |
| * This function will send an event to the nodes of the cluster |
| * The function takes a Serializable to avoid dependency on any clustering framework |
| * |
| * @param event this object will be cast to a org.apache.karaf.cellar.core.event.Event object |
| */ |
| void sendEvent(Serializable event); |
| } |