Package org.apache.nutch.exchange

Interface Exchange

All Superinterfaces:

Configurable, Pluggable

All Known Implementing Classes:

JexlExchange

public interface Exchange
extends Pluggable, Configurable

Field Summary

Fields

Modifier and Type	Field	Description
static final String	X_POINT_ID	The name of the extension point.

Method Summary

Modifier and Type	Method	Description
boolean	match(NutchDocument doc)	Determines if the document must go to the related index writers.
void	open(Map<String,String> parameters)	Initializes the internal variables.

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Field Details

X_POINT_ID

static final String X_POINT_ID

The name of the extension point.

Method Details

open

void open(Map<String,String> parameters)

Initializes the internal variables.

Parameters:

parameters - Params from the exchange configuration.

match

boolean match(NutchDocument doc)

Determines if the document must go to the related index writers.

Parameters:

doc - The given document.

Returns:

True if the given document match with this exchange. False in other case.