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Date: Thu, 19 May 2016 03:04:13 +0000 (UTC)
From: "ASF GitHub Bot (JIRA)" <jira@apache.org>
To: dev@apex.incubator.apache.org
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Subject: [jira] [Commented] (APEXMALHAR-2006) Stream API Design
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archived-at: Thu, 19 May 2016 03:04:19 -0000


    [ https://issues.apache.org/jira/browse/APEXMALHAR-2006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15290371#comment-15290371 ] 

ASF GitHub Bot commented on APEXMALHAR-2006:
--------------------------------------------

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

    https://github.com/apache/incubator-apex-malhar/pull/261#discussion_r63816702
  
    --- Diff: stream/src/main/java/org/apache/apex/malhar/stream/api/impl/ApexStreamImpl.java ---
    @@ -0,0 +1,493 @@
    +/**
    + * 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.apex.malhar.stream.api.impl;
    +
    +import java.lang.reflect.Field;
    +import java.lang.reflect.Modifier;
    +import java.util.HashSet;
    +import java.util.LinkedList;
    +import java.util.List;
    +import java.util.Map;
    +import java.util.Set;
    +import java.util.concurrent.Callable;
    +
    +import org.apache.apex.malhar.stream.api.ApexStream;
    +import org.apache.apex.malhar.stream.api.function.Function;
    +import org.apache.apex.malhar.stream.api.operator.FunctionOperator;
    +import org.apache.commons.beanutils.BeanUtils;
    +import org.apache.commons.lang3.tuple.Pair;
    +
    +import com.datatorrent.api.Attribute;
    +import com.datatorrent.api.Context;
    +import com.datatorrent.api.DAG;
    +import com.datatorrent.api.LocalMode;
    +import com.datatorrent.api.Operator;
    +import com.datatorrent.lib.algo.UniqueCounter;
    +import com.datatorrent.lib.io.ConsoleOutputOperator;
    +import com.datatorrent.stram.StramLocalCluster;
    --- End diff --
    
    Why rely on engine internals?


> Stream API Design
> -----------------
>
>                 Key: APEXMALHAR-2006
>                 URL: https://issues.apache.org/jira/browse/APEXMALHAR-2006
>             Project: Apache Apex Malhar
>          Issue Type: Sub-task
>            Reporter: Siyuan Hua
>            Assignee: Siyuan Hua
>             Fix For: 3.4.0
>
>
> Construct DAG in a similar way as Flink/Spark Streaming


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