| /* |
| * 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.net.intent; |
| |
| import java.util.function.Function; |
| |
| import org.onosproject.cluster.NodeId; |
| import org.onosproject.event.ListenerService; |
| |
| import com.google.common.annotations.Beta; |
| |
| /** |
| * Service for partitioning work, represented via a unique identifier, onto cluster nodes. |
| */ |
| @Beta |
| public interface WorkPartitionService |
| extends ListenerService<WorkPartitionEvent, WorkPartitionEventListener> { |
| |
| /** |
| * Returns whether a given id maps to a partition owned by this |
| * instance. |
| * |
| * @param id id |
| * @param hasher function that maps id to a long value |
| * @return {@code true} if the id maps to a partition owned by this instance, otherwise {@code false} |
| */ |
| <K> boolean isMine(K id, Function<K, Long> hasher); |
| |
| /** |
| * Returns the owner for a given id. |
| * |
| * @param id id to query |
| * @param hasher function that maps id to a long value |
| * @return the leader node identifier |
| */ |
| <K> NodeId getLeader(K id, Function<K, Long> hasher); |
| } |