| /** |
| * 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.operation.builtin; |
| |
| import storm.trident.operation.BaseFilter; |
| import storm.trident.tuple.TridentTuple; |
| |
| public class Equals extends BaseFilter { |
| |
| @Override |
| public boolean isKeep(TridentTuple tuple) { |
| for (int i = 0; i < tuple.size() - 1; i++) { |
| Object o1 = tuple.getValue(i); |
| Object o2 = tuple.getValue(i + 1); |
| if (o1 == null && o2 != null || o1 != null && o2 == null || !o1.equals(o2)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| } |