| /* |
| * Copyright 2015-present Open Networking 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.onosproject.cluster; |
| |
| import java.util.Collection; |
| |
| /** |
| * A partition or shard is a group of controller nodes that are work together to maintain state. |
| * A ONOS cluster is typically made of of one or partitions over which the the data is partitioned. |
| */ |
| public interface Partition { |
| |
| /** |
| * Returns the partition identifier. |
| * @return partition identifier |
| */ |
| PartitionId getId(); |
| |
| /** |
| * Returns the controller nodes that are members of this partition. |
| * @return collection of controller node identifiers |
| */ |
| Collection<NodeId> getMembers(); |
| } |