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https://issues.apache.org/jira/browse/TAJO-164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sergio Esteves updated TAJO-164:
--------------------------------

    Description: 
While merging some code, I've been noticing that different developers 
(including me) have been using different styles.

Examples:
a)
{code}
switch(...) {
  case ...
{code}
instead of
{code}
switch(...) {
case ...
{code}

b) "private long estimateSizeRecursive(TaskAttemptContext ctx, String [] 
tableIds) {" <- space between "String" and "[]".

c) Mixing tabs with spaces.

d) 
{code}
import org.apache.hadoop.yarn.state.*;
{code}
instead of
{code}
import org.apache.hadoop.yarn.state.InvalidStateTransitonException;
import org.apache.hadoop.yarn.state.MultipleArcTransition;
import org.apache.hadoop.yarn.state.SingleArcTransition;
import org.apache.hadoop.yarn.state.StateMachine;
import org.apache.hadoop.yarn.state.StateMachineFactory;
{code}

I think it might be useful, to ensure everyone is adopting the same style, to 
include a maven plugin to check if the code style is in accordance with tajo 
rules (e.g., http://maven.apache.org/plugins/maven-checkstyle-plugin/ ).

  was:
While merging some code, I've been noticing that different developers 
(including me) have been using different styles.

Examples:
a)
{quote}
switch(...) {
  case ...
{quote}
instead of
{quote}
switch(...) {
case ...
{quote}

b) "private long estimateSizeRecursive(TaskAttemptContext ctx, String [] 
tableIds) {" <- space between "String" and "[]".

c) Mixing tabs with spaces.

d) 
{quote}
import org.apache.hadoop.yarn.state.*;
{quote}
instead of
{quote}
import org.apache.hadoop.yarn.state.InvalidStateTransitonException;
import org.apache.hadoop.yarn.state.MultipleArcTransition;
import org.apache.hadoop.yarn.state.SingleArcTransition;
import org.apache.hadoop.yarn.state.StateMachine;
import org.apache.hadoop.yarn.state.StateMachineFactory;
{quote}

I think it might be useful, to ensure everyone is adopting the same style, to 
include a maven plugin to check if the code style is in accordance with tajo 
rules (e.g., http://maven.apache.org/plugins/maven-checkstyle-plugin/ ).

    
> Maven plugin for code style
> ---------------------------
>
>                 Key: TAJO-164
>                 URL: https://issues.apache.org/jira/browse/TAJO-164
>             Project: Tajo
>          Issue Type: Improvement
>            Reporter: Sergio Esteves
>
> While merging some code, I've been noticing that different developers 
> (including me) have been using different styles.
> Examples:
> a)
> {code}
> switch(...) {
>   case ...
> {code}
> instead of
> {code}
> switch(...) {
> case ...
> {code}
> b) "private long estimateSizeRecursive(TaskAttemptContext ctx, String [] 
> tableIds) {" <- space between "String" and "[]".
> c) Mixing tabs with spaces.
> d) 
> {code}
> import org.apache.hadoop.yarn.state.*;
> {code}
> instead of
> {code}
> import org.apache.hadoop.yarn.state.InvalidStateTransitonException;
> import org.apache.hadoop.yarn.state.MultipleArcTransition;
> import org.apache.hadoop.yarn.state.SingleArcTransition;
> import org.apache.hadoop.yarn.state.StateMachine;
> import org.apache.hadoop.yarn.state.StateMachineFactory;
> {code}
> I think it might be useful, to ensure everyone is adopting the same style, to 
> include a maven plugin to check if the code style is in accordance with tajo 
> rules (e.g., http://maven.apache.org/plugins/maven-checkstyle-plugin/ ).

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