/* * Copyright 1999-2015 dangdang.com. * <p> * 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. * </p> */ package com.dangdang.ddframe.rdb.sharding.router.fixture; import com.dangdang.ddframe.rdb.sharding.api.ShardingValue; import com.dangdang.ddframe.rdb.sharding.api.strategy.database.NoneKeyDatabaseShardingAlgorithm; import java.util.Collection; public class OrderDatabaseShardingAlgorithm implements NoneKeyDatabaseShardingAlgorithm<Integer> { @Override public String doSharding(final Collection<String> availableTargetNames, final ShardingValue<Integer> shardingValue) { for (String each : availableTargetNames) { if (each.endsWith(String.valueOf(shardingValue.getValue() % 2))) { return each; } } return null; } }