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From sihuazhou <...@git.apache.org>
Subject [GitHub] flink pull request #6186: [FLINK-9514,FLINK-9515,FLINK-9516] State ttl wrapp...
Date Thu, 21 Jun 2018 15:57:36 GMT
Github user sihuazhou commented on a diff in the pull request:

    https://github.com/apache/flink/pull/6186#discussion_r197188305
  
    --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/state/ttl/TtlValue.java
---
    @@ -0,0 +1,47 @@
    +/*
    + * 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.runtime.state.ttl;
    +
    +import org.apache.flink.util.Preconditions;
    +
    +import java.io.Serializable;
    +
    +/**
    + * This class wraps user value of state with TTL.
    + *
    + * @param <T> Type of the user value of state with TTL
    + */
    +class TtlValue<T> implements Serializable {
    +	private final T userValue;
    +	private final long expirationTimestamp;
    --- End diff --
    
    Okay, I see this is tricky, I agree that this should be addressed in another PR. We need
to figure out a proper way to do that.


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