Package org.apache.hadoop.yarn.conf

Class ConfigurationProvider

java.lang.Object

org.apache.hadoop.yarn.conf.ConfigurationProvider

@Private
@Unstable
public abstract class ConfigurationProvider
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
ConfigurationProvider()

Method Summary

Modifier and Type	Method	Description
void	close()
abstract void	closeInternal()	Derived classes close themselves using this method.
abstract java.io.InputStream	getConfigurationInputStream(org.apache.hadoop.conf.Configuration bootstrapConf, java.lang.String name)	Opens an InputStream at the indicated file.
void	init(org.apache.hadoop.conf.Configuration bootstrapConf)
abstract void	initInternal(org.apache.hadoop.conf.Configuration bootstrapConf)	Derived classes initialize themselves using this method.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ConfigurationProvider

public ConfigurationProvider()

Method Detail

init

public void init(org.apache.hadoop.conf.Configuration bootstrapConf)
          throws java.lang.Exception

Throws:

java.lang.Exception

close

public void close()
           throws java.lang.Exception

Throws:

java.lang.Exception

getConfigurationInputStream

public abstract java.io.InputStream getConfigurationInputStream(org.apache.hadoop.conf.Configuration bootstrapConf,
                                                                java.lang.String name)
                                                         throws YarnException,
                                                                java.io.IOException

Opens an InputStream at the indicated file.

Parameters:

bootstrapConf - Configuration.

name - The configuration file name.

Returns:

configuration

Throws:

YarnException - exceptions from yarn servers.

java.io.IOException - io error occur.

initInternal

public abstract void initInternal(org.apache.hadoop.conf.Configuration bootstrapConf)
                           throws java.lang.Exception

Derived classes initialize themselves using this method.

Parameters:

bootstrapConf - bootstrap configuration.

Throws:

java.lang.Exception - exception occur.

closeInternal

public abstract void closeInternal()
                            throws java.lang.Exception

Derived classes close themselves using this method.

Throws:

java.lang.Exception - exception occur.