Package org.apache.maven.index.updater

Class DefaultIndexUpdater

java.lang.Object

org.apache.maven.index.updater.DefaultIndexUpdater

All Implemented Interfaces:

IndexUpdater

@Singleton
@Named
public class DefaultIndexUpdater
extends java.lang.Object
implements IndexUpdater

A default index updater implementation

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DefaultIndexUpdater.FileFetcher	Filesystem-based ResourceFetcher implementation
private class	DefaultIndexUpdater.IndexAdaptor
private class	DefaultIndexUpdater.LocalCacheIndexAdaptor
(package private) static class	DefaultIndexUpdater.LocalIndexCacheFetcher
private class	DefaultIndexUpdater.LuceneIndexAdaptor

Field Summary

Fields

Modifier and Type	Field	Description
private IncrementalHandler	incrementalHandler
private org.slf4j.Logger	logger
private java.util.List<IndexUpdateSideEffect>	sideEffects

Constructor Summary

Constructors

Constructor	Description
DefaultIndexUpdater(IncrementalHandler incrementalHandler, java.util.List<IndexUpdateSideEffect> sideEffects)

Method Summary

Modifier and Type	Method	Description
protected void	cleanCacheDirectory(java.io.File dir)	Cleans specified cache directory.
private java.util.Properties	downloadIndexProperties(ResourceFetcher fetcher)
IndexUpdateResult	fetchAndUpdateIndex(IndexUpdateRequest updateRequest)
private IndexUpdateResult	fetchAndUpdateIndex(IndexUpdateRequest updateRequest, ResourceFetcher source, DefaultIndexUpdater.IndexAdaptor target)
private static void	filterDirectory(org.apache.lucene.store.Directory directory, DocumentFilter filter)
protected org.slf4j.Logger	getLogger()
java.util.Date	getTimestamp(java.util.Properties properties, java.lang.String key)
private java.util.Date	loadIndexDirectory(IndexUpdateRequest updateRequest, ResourceFetcher fetcher, boolean merge, java.lang.String remoteIndexFile)
private java.util.Properties	loadIndexProperties(java.io.File indexDirectoryFile, java.lang.String remoteIndexPropertiesName)
private void	storeIndexProperties(java.io.File dir, java.lang.String indexPropertiesName, java.util.Properties properties)
static IndexDataReader.IndexDataReadResult	unpackIndexData(java.io.InputStream is, org.apache.lucene.store.Directory d, IndexingContext context)	Unpack index data using specified Lucene Index writer

Methods inherited from class java.lang.Object

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

Field Detail

logger

private final org.slf4j.Logger logger

incrementalHandler

private final IncrementalHandler incrementalHandler

sideEffects

private final java.util.List<IndexUpdateSideEffect> sideEffects

Constructor Detail

DefaultIndexUpdater

@Inject
public DefaultIndexUpdater(IncrementalHandler incrementalHandler,
                           java.util.List<IndexUpdateSideEffect> sideEffects)

Method Detail

getLogger

protected org.slf4j.Logger getLogger()

fetchAndUpdateIndex

public IndexUpdateResult fetchAndUpdateIndex(IndexUpdateRequest updateRequest)
                                      throws java.io.IOException

Specified by:

fetchAndUpdateIndex in interface IndexUpdater

Returns:

IndexUpdateResult

Throws:

java.io.IOException

loadIndexDirectory

private java.util.Date loadIndexDirectory(IndexUpdateRequest updateRequest,
                                          ResourceFetcher fetcher,
                                          boolean merge,
                                          java.lang.String remoteIndexFile)
                                   throws java.io.IOException

Throws:

java.io.IOException

filterDirectory

private static void filterDirectory(org.apache.lucene.store.Directory directory,
                                    DocumentFilter filter)
                             throws java.io.IOException

Throws:

java.io.IOException

loadIndexProperties

private java.util.Properties loadIndexProperties(java.io.File indexDirectoryFile,
                                                 java.lang.String remoteIndexPropertiesName)

storeIndexProperties

private void storeIndexProperties(java.io.File dir,
                                  java.lang.String indexPropertiesName,
                                  java.util.Properties properties)
                           throws java.io.IOException

Throws:

java.io.IOException

downloadIndexProperties

private java.util.Properties downloadIndexProperties(ResourceFetcher fetcher)
                                              throws java.io.IOException

Throws:

java.io.IOException

getTimestamp

public java.util.Date getTimestamp(java.util.Properties properties,
                                   java.lang.String key)

unpackIndexData

public static IndexDataReader.IndexDataReadResult unpackIndexData(java.io.InputStream is,
                                                                  org.apache.lucene.store.Directory d,
                                                                  IndexingContext context)
                                                           throws java.io.IOException

Unpack index data using specified Lucene Index writer

Parameters:

is - an input stream to unpack index data from

w - a writer to save index data

ics - a collection of index creators for updating unpacked documents.

Throws:

java.io.IOException

fetchAndUpdateIndex

private IndexUpdateResult fetchAndUpdateIndex(IndexUpdateRequest updateRequest,
                                              ResourceFetcher source,
                                              DefaultIndexUpdater.IndexAdaptor target)
                                       throws java.io.IOException

Throws:

java.io.IOException

cleanCacheDirectory

protected void cleanCacheDirectory(java.io.File dir)
                            throws java.io.IOException

Cleans specified cache directory. If present, Locker.LOCK_FILE will not be deleted.

Throws:

java.io.IOException