| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 storm.trident.state.map; |
| |
| import storm.trident.state.ValueUpdater; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| |
| public class NonTransactionalMap<T> implements MapState<T> { |
| public static <T> MapState<T> build(IBackingMap<T> backing) { |
| return new NonTransactionalMap<T>(backing); |
| } |
| |
| IBackingMap<T> _backing; |
| |
| protected NonTransactionalMap(IBackingMap<T> backing) { |
| _backing = backing; |
| } |
| |
| @Override |
| public List<T> multiGet(List<List<Object>> keys) { |
| return _backing.multiGet(keys); |
| } |
| |
| @Override |
| public List<T> multiUpdate(List<List<Object>> keys, List<ValueUpdater> updaters) { |
| List<T> curr = _backing.multiGet(keys); |
| List<T> ret = new ArrayList<T>(curr.size()); |
| for(int i=0; i<curr.size(); i++) { |
| T currVal = curr.get(i); |
| ValueUpdater<T> updater = updaters.get(i); |
| ret.add(updater.update(currVal)); |
| } |
| _backing.multiPut(keys, ret); |
| return ret; |
| } |
| |
| @Override |
| public void multiPut(List<List<Object>> keys, List<T> vals) { |
| _backing.multiPut(keys, vals); |
| } |
| |
| @Override |
| public void beginCommit(Long txid) { |
| } |
| |
| @Override |
| public void commit(Long txid) { |
| } |
| } |