| /* |
| * Copyright 2015 Open Networking Laboratory |
| * |
| * 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.onosproject.net.intent; |
| |
| import com.google.common.annotations.Beta; |
| import org.onosproject.cluster.NodeId; |
| |
| /** |
| * Service for interacting with the partition-to-instance assignments. |
| */ |
| @Beta |
| public interface PartitionService { |
| |
| /** |
| * Returns whether the given intent key is in a partition owned by this |
| * instance or not. |
| * |
| * @param intentKey intent key to query |
| * @return true if the key is owned by this instance, otherwise false |
| */ |
| boolean isMine(Key intentKey); |
| |
| /** |
| * Returns the leader for a particular key. |
| * |
| * @param intentKey intent key to query |
| * @return the leader node |
| */ |
| NodeId getLeader(Key intentKey); |
| |
| // TODO add API for rebalancing partitions |
| |
| /** |
| * Registers a event listener to be notified of partition events. |
| * |
| * @param listener listener that will asynchronously notified of partition events. |
| */ |
| void addListener(PartitionEventListener listener); |
| |
| /** |
| * Unregisters a event listener for partition events. |
| * |
| * @param listener listener to be removed. |
| */ |
| void removeListener(PartitionEventListener listener); |
| } |