de.gerdiproject.harvest.etls.loaders

Interface ILoader<S>

Type Parameters:

S - the type of the document that is to be loaded

All Known Implementing Classes:

AbstractIteratorLoader, AbstractURLLoader, DiskLoader, ElasticSearchLoader

public interface ILoader<S>

This class represents the Loader of an ETL process.

Author:

Robin Weiss

Method Summary

Modifier and Type	Method and Description
void	clear() Closes potentially open readers/writers and finishes the Load process if it is still ongoing.
void	init(AbstractETL<?,?> etl) Initializes the loader for a new harvest.
void	load(S document) Loads the document to a targeted search index.
void	unregisterParameters() If the Loader created parameters in the Configuration, this method should unregister all of them.

Method Detail

init

void init(AbstractETL<?,?> etl)

Initializes the loader for a new harvest.

Parameters:

etl - the AbstractETL to which the loader belongs

load

void load(S document)
   throws LoaderException

Loads the document to a targeted search index.

Parameters:

document - the document that is to be loaded

Throws:

LoaderException - when the load did not work properly

unregisterParameters

void unregisterParameters()

If the Loader created parameters in the Configuration, this method should unregister all of them. It's called when a different Loader is used.

clear

void clear()

Closes potentially open readers/writers and finishes the Load process if it is still ongoing.