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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TAJO-1480) Kafka Consumer for kafka strage.
Date Wed, 17 Aug 2016 11:35:21 GMT

    [ https://issues.apache.org/jira/browse/TAJO-1480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15424329#comment-15424329
] 

ASF GitHub Bot commented on TAJO-1480:
--------------------------------------

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

    https://github.com/apache/tajo/pull/1041#discussion_r75105735
  
    --- Diff: tajo-storage/tajo-storage-kafka/src/test/java/org/apache/tajo/storage/kafka/TestConstants.java
---
    @@ -0,0 +1,56 @@
    +/**
    + * 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.tajo.storage.kafka;
    +
    +import org.apache.kafka.clients.producer.Producer;
    +import org.apache.kafka.clients.producer.ProducerRecord;
    +
    +import java.util.Collection;
    +
    +public class TestConstants {
    +  private static final String[] TEST_DATA = { "1|abc|0.2", "2|def|0.4", "3|ghi|0.6",
"4|jkl|0.8", "5|mno|1.0" };
    +
    +  static final String TOPIC_NAME = "test_topic";
    +  static final String TEST_JSON_DATA = "{\"col1\":1, \"col2\":\"abc\", \"col3\":0.2}";
    +  static final int DEFAULT_TEST_PARTITION_NUM = 3;
    +
    +  static void sendTestData(Producer<String, String> producer, String topic) throws
Exception {
    --- End diff --
    
    This class name is constants but you defined method in the class.


> Kafka Consumer for kafka strage.
> --------------------------------
>
>                 Key: TAJO-1480
>                 URL: https://issues.apache.org/jira/browse/TAJO-1480
>             Project: Tajo
>          Issue Type: Sub-task
>          Components: Storage
>            Reporter: YeonSu Han
>            Assignee: Byunghwa Yun
>              Labels: kafka_storage
>
> Scanner of kafka storage needs to implement a Kafka Consumer for to fetch data from kafka.
> The Kafka Consumer have methods like this,
> - getPartitions(): Get partition id list from specific topic.
> - poll(): Fetch data from kafka.
> - getEarliestOffset(): Get earliest offset from specific partition.
> - getLatestOffset(): Get latest offset from specific partition.
> - etc..



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