| /* |
| * 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.store.consistent.impl; |
| |
| import java.util.List; |
| |
| /** |
| * A simple Partitioner that uses the map name hash to |
| * pick a partition. |
| * <p> |
| * This class uses a md5 hash based hashing scheme for hashing the map name to |
| * a partition. This partitioner maps all keys for a map to the same database |
| * partition. |
| */ |
| public class SimpleTableHashPartitioner extends DatabasePartitioner { |
| |
| public SimpleTableHashPartitioner(List<Database> partitions) { |
| super(partitions); |
| } |
| |
| @Override |
| public Database getPartition(String mapName, String key) { |
| return partitions.get(hash(mapName) % partitions.size()); |
| } |
| } |