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Subject: [jira] [Commented] (FLINK-1819) Allow access to RuntimeContext from
 Input and OutputFormats
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    [ https://issues.apache.org/jira/browse/FLINK-1819?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14652763#comment-14652763 ] 

ASF GitHub Bot commented on FLINK-1819:
---------------------------------------

Github user sachingoel0101 commented on a diff in the pull request:

    https://github.com/apache/flink/pull/966#discussion_r36142648
  
    --- Diff: flink-core/src/test/java/org/apache/flink/api/common/operators/util/NonRichGenericInputFormat.java ---
    @@ -0,0 +1,86 @@
    +/*
    + * 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.api.common.operators.util;
    +
    +import java.io.IOException;
    +
    +import org.apache.flink.api.common.io.InputFormat;
    +import org.apache.flink.api.common.io.NonParallelInput;
    +import org.apache.flink.api.common.io.DefaultInputSplitAssigner;
    +import org.apache.flink.api.common.io.statistics.BaseStatistics;
    +import org.apache.flink.configuration.Configuration;
    +import org.apache.flink.core.io.GenericInputSplit;
    +
    +/**
    + * Generic base class for all inputs that are not based on files.
    + * This is copied from {@link org.apache.flink.api.common.io.GenericInputFormat}
    + * This class doesn't provide access to RuntimeContext.
    + */
    +public abstract class NonRichGenericInputFormat<OT> implements InputFormat<OT, GenericInputSplit> {
    --- End diff --
    
    This was only for testing purposes. I needed to verify that I didn't break any functionality by making every IO format rich. That is, to verify the class casting behavior in the Pact tasks.


> Allow access to RuntimeContext from Input and OutputFormats
> -----------------------------------------------------------
>
>                 Key: FLINK-1819
>                 URL: https://issues.apache.org/jira/browse/FLINK-1819
>             Project: Flink
>          Issue Type: Improvement
>          Components: Local Runtime
>    Affects Versions: 0.9, 0.8.1
>            Reporter: Fabian Hueske
>            Priority: Minor
>             Fix For: 0.9
>
>
> User function that extend a RichFunction can access a {{RuntimeContext}} which gives the parallel id of the task and access to Accumulators and BroadcastVariables. 
> Right now, Input and OutputFormats cannot access their {{RuntimeContext}}.



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