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Date: Fri, 28 Jul 2017 01:48:01 +0000 (UTC)
From: "ASF GitHub Bot (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (GEARPUMP-311) refactor state management
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archived-at: Fri, 28 Jul 2017 01:48:08 -0000


    [ https://issues.apache.org/jira/browse/GEARPUMP-311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16104297#comment-16104297 ] 

ASF GitHub Bot commented on GEARPUMP-311:
-----------------------------------------

Github user manuzhang commented on a diff in the pull request:

    https://github.com/apache/incubator-gearpump/pull/198#discussion_r129996504
  
    --- Diff: examples/streaming/state/src/main/scala/org/apache/gearpump/streaming/examples/state/refactor/SumProcessor.scala ---
    @@ -0,0 +1,92 @@
    +/*
    + * 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.examples.state.refactor
    +
    +import org.apache.gearpump.Message
    +import org.apache.gearpump.cluster.UserConfig
    +import org.apache.gearpump.streaming.refactor.coder._
    +import org.apache.gearpump.streaming.refactor.state.api.{StateInternals, ValueState}
    +import org.apache.gearpump.streaming.refactor.state.{RuntimeContext, StateNamespaces, StateTags, StatefulTask}
    +import org.apache.gearpump.streaming.task.TaskContext
    +
    +/**
    + *  a sum processor for continues sum message from kafka
    + *  it is a example for using state api and verifying state exactly-once guarantee
    + */
    +class SumProcessor(taskContext: TaskContext, conf: UserConfig)
    --- End diff --
    
    Is this used ?


> refactor state management
> -------------------------
>
>                 Key: GEARPUMP-311
>                 URL: https://issues.apache.org/jira/browse/GEARPUMP-311
>             Project: Apache Gearpump
>          Issue Type: Improvement
>          Components: streaming
>            Reporter: yanghua
>            Assignee: yanghua
>            Priority: Minor
>
> inspired by Apache Beam


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