| /* |
| * Copyright 2016-present 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.store.primitives; |
| |
| import java.util.Set; |
| |
| import org.onosproject.cluster.NodeId; |
| import org.onosproject.cluster.PartitionId; |
| import org.onosproject.event.ListenerService; |
| |
| /** |
| * Service used for accessing information about storage partitions. |
| */ |
| public interface PartitionService extends ListenerService<PartitionEvent, PartitionEventListener> { |
| |
| /** |
| * Returns the total number of partitions. |
| * |
| * @return number of partitions |
| */ |
| int getNumberOfPartitions(); |
| |
| /** |
| * Returns the set of controller nodes configured to be members of a partition. |
| * |
| * @param partitionId partition identifier |
| * @return set of node identifiers |
| */ |
| Set<NodeId> getConfiguredMembers(PartitionId partitionId); |
| |
| /** |
| * Returns the set of controller nodes that are the current active members of a partition. |
| * |
| * @param partitionId partition identifier |
| * @return set of node identifiers |
| */ |
| Set<NodeId> getActiveMembersMembers(PartitionId partitionId); |
| |
| /** |
| * Returns the identifiers of all partitions. |
| * |
| * @return set of partition identifiers |
| */ |
| Set<PartitionId> getAllPartitionIds(); |
| |
| /** |
| * Returns a DistributedPrimitiveCreator that can create primitives hosted on a partition. |
| * |
| * @param partitionId partition identifier |
| * @return distributed primitive creator |
| */ |
| DistributedPrimitiveCreator getDistributedPrimitiveCreator(PartitionId partitionId); |
| } |