| /* |
| * 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 org.apache.flink.iteration.operator.allround; |
| |
| /** Utilities to track the life-cycle of the operators. */ |
| public enum LifeCycle { |
| SETUP, |
| OPEN, |
| INITIALIZE_STATE, |
| PROCESS_ELEMENT, |
| PROCESS_ELEMENT_1, |
| PROCESS_ELEMENT_2, |
| PREPARE_SNAPSHOT_PRE_BARRIER, |
| SNAPSHOT_STATE, |
| NOTIFY_CHECKPOINT_COMPLETE, |
| NOTIFY_CHECKPOINT_ABORT, |
| EPOCH_WATERMARK_INCREMENTED, |
| ITERATION_TERMINATION, |
| END_INPUT, |
| MAX_WATERMARK, |
| FINISH, |
| CLOSE, |
| } |
