| /* |
| * 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.gearpump.streaming.source |
| |
| import java.time.Instant |
| |
| import org.apache.gearpump.Message |
| import org.apache.gearpump.{MAX_TIME_MILLIS, MIN_TIME_MILLIS} |
| |
| /** |
| * message used by source task to report source watermark. |
| */ |
| case class Watermark(instant: Instant) { |
| def toMessage: Message = Message("watermark", instant) |
| } |
| |
| object Watermark { |
| |
| // maximum time won't overflow when converted to milli-seconds |
| val MAX: Instant = Instant.ofEpochMilli(MAX_TIME_MILLIS) |
| |
| // minimum time won't overflow when converted to milli-seconds |
| val MIN: Instant = Instant.ofEpochMilli(MIN_TIME_MILLIS) |
| } |