org.apache.cocoon.components.search
Class SimpleLuceneCocoonIndexerImpl

java.lang.Object
  org.apache.avalon.framework.logger.AbstractLogEnabled
      org.apache.cocoon.components.search.SimpleLuceneCocoonIndexerImpl

All Implemented Interfaces:

Disposable, Component, Configurable, LogEnabled, Serviceable, LuceneCocoonIndexer

public class SimpleLuceneCocoonIndexerImpl
extends AbstractLogEnabled
implements LuceneCocoonIndexer, Configurable, Serviceable, Disposable

A lucene indexer.

XML documents are indexed using lucene. Links to XML documents are supplied by a crawler, requesting links of documents by specifying a cocoon-view, and HTTP protocol.

Version:

CVS $Id: SimpleLuceneCocoonIndexerImpl.html 1304258 2012-03-23 10:09:27Z ilgrosso $

Author:

Bernhard Huber

Field Summary

protected org.apache.lucene.analysis.Analyzer	analyzer The used lucene analyzer
static String	ANALYZER_CLASSNAME_CONFIG configuration tagname for specifying the analyzer class
static String	ANALYZER_CLASSNAME_DEFAULT configuration default analyzer class
static String	DIRECTORY_CONFIG configuration tagname for specifying lucene's index directory
static String	DIRECTORY_DEFAULT configuration default directory, ie. no default.
protected ServiceManager	manager The service manager for looking up components used.
static String	MERGE_FACTOR_CONFIG configuration tagname for specifying lucene's merge factor.
static int	MERGE_FACTOR_DEFAULT configuration default value for lucene's merge factor.

Fields inherited from interface org.apache.cocoon.components.search.LuceneCocoonIndexer

ROLE

Constructor Summary

SimpleLuceneCocoonIndexerImpl()

Method Summary

void	configure(Configuration conf) Configure this component.
void	dispose() Dispose this component.
void	index(org.apache.lucene.store.Directory index, boolean create, URL base_url) index content of base_url, index content of links from base_url.
void	service(ServiceManager manager) Set the current ServiceManager instance used by this Serviceable.
void	setAnalyzer(org.apache.lucene.analysis.Analyzer analyzer) Sets the analyzer attribute of the SimpleLuceneCocoonIndexerImpl object

Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled

enableLogging, getLogger, setupLogger, setupLogger, setupLogger

Methods inherited from class java.lang.Object

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

Field Detail

ANALYZER_CLASSNAME_CONFIG

public static final String ANALYZER_CLASSNAME_CONFIG

configuration tagname for specifying the analyzer class

See Also:

Constant Field Values

ANALYZER_CLASSNAME_DEFAULT

public static final String ANALYZER_CLASSNAME_DEFAULT

configuration default analyzer class

See Also:

Constant Field Values

DIRECTORY_CONFIG

public static final String DIRECTORY_CONFIG

configuration tagname for specifying lucene's index directory

See Also:

Constant Field Values

DIRECTORY_DEFAULT

public static final String DIRECTORY_DEFAULT

configuration default directory, ie. no default.

MERGE_FACTOR_CONFIG

public static final String MERGE_FACTOR_CONFIG

configuration tagname for specifying lucene's merge factor.

See Also:

Constant Field Values

MERGE_FACTOR_DEFAULT

public static final int MERGE_FACTOR_DEFAULT

configuration default value for lucene's merge factor.

See Also:

Constant Field Values

manager

protected ServiceManager manager

The service manager for looking up components used.

analyzer

protected org.apache.lucene.analysis.Analyzer analyzer

The used lucene analyzer

Constructor Detail

SimpleLuceneCocoonIndexerImpl

public SimpleLuceneCocoonIndexerImpl()

Method Detail

setAnalyzer

public void setAnalyzer(org.apache.lucene.analysis.Analyzer analyzer)

Sets the analyzer attribute of the SimpleLuceneCocoonIndexerImpl object

Specified by:

setAnalyzer in interface LuceneCocoonIndexer

Parameters:

analyzer - The new analyzer value

configure

public void configure(Configuration conf)
               throws ConfigurationException

Configure this component.

Specified by:

configure in interface Configurable

Parameters:

conf - is the configuration

Throws:

ConfigurationException - is thrown if configuring fails

service

public void service(ServiceManager manager)
             throws ServiceException

Set the current ServiceManager instance used by this Serviceable.

Specified by:

service in interface Serviceable

Parameters:

manager - used by this component

Throws:

ServiceException - is never thrown

dispose

public void dispose()

Dispose this component.

Specified by:

dispose in interface Disposable

index

public void index(org.apache.lucene.store.Directory index,
                  boolean create,
                  URL base_url)
           throws ProcessingException

index content of base_url, index content of links from base_url.

Specified by:

index in interface LuceneCocoonIndexer

Parameters:

index - the lucene store to write the index to

create - if true create, or overwrite existing index, else update existing index.

base_url - index content of base_url, and crawl through all its links recursivly.

Throws:

ProcessingException - is thrown if indexing fails