CommonHadoop (Eoulsan 2.6.1 API)

java.lang.Object
- fr.ens.biologie.genomique.eoulsan.CommonHadoop

```
public class CommonHadoop
extends Object
```
This class define common constants and other methods specific to Hadoop mode.

Since:

1.0

Author:

Laurent Jourdren

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`AWS_S3_ACCESS_KEY_ID_PARAM_KEY`
`static String`	`AWS_S3_SECRET_ACCESS_KEY_PARAM_NAME`
`static int`	`CHECK_COMPLETION_TIME`
`static String`	`COUNTER_GROUP_KEY`
`static String`	`HADOOP_PARAMETER_PREFIX`
`static String`	`HADOOP_REDUCER_TASK_COUNT_PARAMETER_NAME`

Constructor Summary

Constructors
Constructor Description

CommonHadoop()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static org.apache.hadoop.conf.Configuration`	`createConfiguration()`	Create a new Configuration object from Eoulsan runtime settings.
`static org.apache.hadoop.conf.Configuration`	`createConfiguration(Settings settings)`	Create a new Configuration object from settings.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - AWS_S3_SECRET_ACCESS_KEY_PARAM_NAME
```
public static final String AWS_S3_SECRET_ACCESS_KEY_PARAM_NAME
```
    See Also:
    
    Constant Field Values
  - AWS_S3_ACCESS_KEY_ID_PARAM_KEY
```
public static final String AWS_S3_ACCESS_KEY_ID_PARAM_KEY
```
    See Also:
    
    Constant Field Values
  - HADOOP_REDUCER_TASK_COUNT_PARAMETER_NAME
```
public static final String HADOOP_REDUCER_TASK_COUNT_PARAMETER_NAME
```
    See Also:
    
    Constant Field Values
  - CHECK_COMPLETION_TIME
```
public static final int CHECK_COMPLETION_TIME
```
    See Also:
    
    Constant Field Values
  - HADOOP_PARAMETER_PREFIX
```
public static final String HADOOP_PARAMETER_PREFIX
```
    See Also:
    
    Constant Field Values
  - COUNTER_GROUP_KEY
```
public static final String COUNTER_GROUP_KEY
```
- Constructor Detail
  - CommonHadoop
```
public CommonHadoop()
```
- Method Detail
  - createConfiguration
```
public static org.apache.hadoop.conf.Configuration createConfiguration()
```
    Create a new Configuration object from Eoulsan runtime settings.
    
    Returns:
    
    a new Configuration object
  - createConfiguration
```
public static org.apache.hadoop.conf.Configuration createConfiguration(Settings settings)
```
    Create a new Configuration object from settings.
    
    Parameters:
    
    settings - Settings of the application
    
    Returns:
    
    a new Configuration object