org.elasticsearch.hadoop.handler

Class HandlerLoader<E extends ErrorHandler>

java.lang.Object

org.elasticsearch.hadoop.handler.HandlerLoader<E>

Type Parameters:

E - The ErrorHandlers being created.

All Implemented Interfaces:

org.elasticsearch.hadoop.serialization.SettingsAware

public abstract class HandlerLoader<E extends ErrorHandler>
extends Object
implements org.elasticsearch.hadoop.serialization.SettingsAware

Performs the construction and initialization of ErrorHandler instances, implementations of which may be provided by third parties.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HandlerLoader.NamedHandlers

Constructor Summary

Constructors

Constructor and Description
HandlerLoader(Class<E> expected)

Method Summary

Modifier and Type	Method and Description
protected abstract String	getHandlerPropertyName()
protected abstract String	getHandlersPropertyName()
protected abstract E	loadBuiltInHandler(HandlerLoader.NamedHandlers handlerName) Builds the integration specific built-in handler for the job described by the handler name.
List<E>	loadHandlers()
void	setSettings(Settings settings)

Methods inherited from class java.lang.Object

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

Constructor Detail

HandlerLoader

public HandlerLoader(Class<E> expected)

Method Detail

setSettings

public void setSettings(Settings settings)

Specified by:

setSettings in interface org.elasticsearch.hadoop.serialization.SettingsAware

loadHandlers

public List<E> loadHandlers()

getHandlersPropertyName

protected abstract String getHandlersPropertyName()

Returns:

the property name to use for getting the list of handler names

getHandlerPropertyName

protected abstract String getHandlerPropertyName()

Returns:

the prefix for creating the properties to use for getting handler specific settings

loadBuiltInHandler

protected abstract E loadBuiltInHandler(HandlerLoader.NamedHandlers handlerName)

Builds the integration specific built-in handler for the job described by the handler name.

Parameters:

handlerName - The built in handler implementation that one should provide

Returns:

an instance of the built in handler