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From tillrohrmann <...@git.apache.org>
Subject [GitHub] flink pull request #1954: [FLINK-3190] failure rate restart strategy
Date Wed, 06 Jul 2016 09:15:39 GMT
Github user tillrohrmann commented on a diff in the pull request:

    https://github.com/apache/flink/pull/1954#discussion_r69698427
  
    --- Diff: flink-core/src/main/java/org/apache/flink/util/TimeInterval.java ---
    @@ -0,0 +1,80 @@
    +/*
    + * 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.util;
    +
    +import org.apache.flink.annotation.PublicEvolving;
    +
    +import java.io.Serializable;
    +import java.util.concurrent.TimeUnit;
    +
    +/**
    + * Value object that represents time interval
    + * */
    +@PublicEvolving
    +public final class TimeInterval implements Serializable {
    --- End diff --
    
    I like your solution to have a `TimeInterval` class. However, we already have a nearly
identical class `Time` in Flink. It is currently contained in the flink-streaming-java module.
Thus, in order to not replicate code, I think it would be better to move the `Time` class
to flink-core and use it instead of `TimeInterval`. We can move the `org.apache.flink.streaming.api.windowing.time`
package to `org.apache.flink.api.common.time`. But then we have to make sure that we update
possible references in the documentation to the new location.


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