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## fr.gouv.culture.sdx.documentbase
Class LuceneDocumentBase

    java.lang.Object
      fr.gouv.culture.sdx.utils.AbstractSdxObject
          fr.gouv.culture.sdx.utils.database.DatabaseBacked
              fr.gouv.culture.sdx.documentbase.AbstractDocumentBase
                  fr.gouv.culture.sdx.documentbase.SDXDocumentBase
                      fr.gouv.culture.sdx.documentbase.LuceneDocumentBase

All Implemented Interfaces:
  org.apache.avalon.framework.configuration.Configurable, org.apache.avalon.framework.context.Contextualizable, Describable, DocumentBase, Encodable, Identifiable, Localizable, org.apache.avalon.framework.logger.LogEnabled, Saveable, SDXDocumentBaseTarget, SdxObject, Searchable, org.apache.avalon.framework.service.Serviceable, Target, org.apache.excalibur.xml.sax.XMLizable

Direct Known Subclasses:
  LuceneThesaurus

public class LuceneDocumentBase
extends SDXDocumentBase

Author:
  mpichot

Nested Class Summary

Nested classes inherited from class fr.gouv.culture.sdx.documentbase.SDXDocumentBaseTarget
`SDXDocumentBaseTarget.ConfigurationNode`

Nested classes inherited from class fr.gouv.culture.sdx.documentbase.DocumentBase
`DocumentBase.ConfigurationNode`

Field Summary
`protected FieldList` | `_fieldList` The (Lucene) fields that are to be handled by the index.
`protected java.util.HashMap` | `_xmlFieldList` The list of fields with a XML type
`static java.lang.String` | `DBELEM_ATTRIBUTE_REMOTE_ACCESS` The implied attribute stating whether this document base is to be exposed to remote access or not.
`static java.lang.String` | `ELEMENT_NAME_LUCENE_SDX_INTERNAL_FIELDS` The element used to define system fields in sdx.xconf.
`protected java.lang.String` | `INDEX_DIR_CURRENT` Directory names for indexes
`protected java.lang.String` | `INDEX_DIR_MAIN`
`protected long` | `lastDocCount` Number of indexed doc since last split
`protected LuceneIndex` | `luceneActiveIndex` The active index for this document base
`protected LuceneIndex` | `luceneCurrentIndex` The temporary index for this document base
`protected java.util.Vector` | `luceneSearchIndexList` The sub-indexes for this document base (first entry is the activeIndex)
`protected java.lang.String` | `SEARCH_INDEX_DIRECTORY_NAME` The directory name for the index that stores documents' indexation.
`protected int` | `subIndexCount` Number of subindexes

Fields inherited from class fr.gouv.culture.sdx.documentbase.SDXDocumentBase
`_configuration, _documentAdditionStatus, _ilevel, _ilogger, _isIndexOptimized, autoOptimize, baseIndexDir, DOC_ADD_STATUS_ADDED, DOC_ADD_STATUS_FAILURE, DOC_ADD_STATUS_IGNORED, DOC_ADD_STATUS_REFRESHED, DOC_ADD_STATUS_REPLACED, DOC_URL, ELEMENT_NAME_DEFAULT_HPP, ELEMENT_NAME_DEFAULT_MAXSORT, isDatadirShared, keepOriginalDocuments, scheduler, SDX_DATABASE_FORMAT, SDX_DATABASE_VERSION, SDX_DATABASE_VERSION_2_3, SDX_DATE, SDX_DATE_MILLISECONDS, SDX_ISO8601_DATE, SDX_USER, splitActive, splitDoc, splitSize, splitUnit, useCompoundFiles`

Fields inherited from class fr.gouv.culture.sdx.documentbase.AbstractDocumentBase
`_indexationPipeline, _oaiHarv, ATTRIBUTE_AUTO_OPTIMIZE, ATTRIBUTE_COMPOUND_FILES, ATTRIBUTE_SPLIT_DOC, ATTRIBUTE_SPLIT_SIZE, ATTRIBUTE_SPLIT_UNIT, DBELEM_ATTRIBUTE_DEFAULT, DBELEM_ATTRIBUTE_HPP, DBELEM_ATTRIBUTE_KEEP_ORIGINAL, DBELEM_ATTRIBUTE_MAXSORT, defaultHitsPerPage, defaultMaxSort, defaultRepository, ELEMENT_NAME_INDEX_SPLIT, ELEMENT_NAME_OPTIMIZE, INTERNAL_FIELD_NAME_SDX_OAI_DELETED_RECORD, INTERNAL_FIELD_NAME_SDXALL, INTERNAL_FIELD_NAME_SDXAPPID, INTERNAL_FIELD_NAME_SDXCONTENTLENGTH, INTERNAL_FIELD_NAME_SDXDBID, INTERNAL_FIELD_NAME_SDXDOCID, INTERNAL_FIELD_NAME_SDXDOCTYPE, INTERNAL_FIELD_NAME_SDXMODDATE, INTERNAL_FIELD_NAME_SDXREPOID, INTERNAL_SDXALL_FIELD_VALUE, isDefault, locale, oaiRepo, oaiRepositories, PROPERTY_NAME_ATTACHED, PROPERTY_NAME_CONTENT_LENGTH, PROPERTY_NAME_DOCTYPE, PROPERTY_NAME_MIMETYPE, PROPERTY_NAME_ORIGINAL, PROPERTY_NAME_PARENT, PROPERTY_NAME_REPO, PROPERTY_NAME_SUB, repoConnectionPool, repositories, useMetadata`

Fields inherited from class fr.gouv.culture.sdx.utils.database.DatabaseBacked
`_database, CLASS_NAME_SUFFIX, DATABASE_DIR_NAME, databaseConf, dbLocation, dbPath, DEFAULT_DATABASE_TYPE`

Fields inherited from class fr.gouv.culture.sdx.utils.AbstractSdxObject
`_context, _description, _encoding, _id, _locale, _logger, _manager, _xmlizable_objects, _xmlLang, isToSaxInitialized`

Fields inherited from interface fr.gouv.culture.sdx.documentbase.DocumentBase
`CLASS_NAME_SUFFIX, PACKAGE_QUALNAME`

Fields inherited from interface fr.gouv.culture.sdx.utils.Encodable
`DEFAULT_ENCODING`

Fields inherited from interface fr.gouv.culture.sdx.utils.save.Saveable
`ALL_SAVE_ATTRIB, PATH_ATTRIB, SAVE_DIRECTORY_PARAM`

Constructor Summary
`LuceneDocumentBase()` Creates the document base.

Method Summary
`protected void` | `addSubIndex()` Adds a splitted sub-index and update configuration aftermath
`protected void` | `addSubIndex(LuceneIndex index)` Adds a splitted sub-index and update configuration aftermath
`protected void` | `addToSearchIndex(java.lang.Object indexationDoc, boolean batchIndex)` Writes a document to the search index
`void` | `backup(SaveParameters save_config)` Saves the DocumentBase data objects
`protected void` | `backupIndexes(SaveParameters save_config)` Save the indexes files
`protected void` | `backupTimeStamp(SaveParameters save_config)` Save the timestamp files
`protected void` | `compactSearchIndex()`
`void` | `configure(org.apache.avalon.framework.configuration.Configuration configuration)` Sets the configuration options for this document base.
`protected void` | `configureDocumentBase(org.apache.avalon.framework.configuration.Configuration configuration)` Configures the Lucene document base
`protected void` | `configureFieldList(org.apache.avalon.framework.configuration.Configuration configuration)` Configures the fields list
`protected void` | `configureOAIHarvester(org.apache.avalon.framework.configuration.Configuration configuration)` Configures the OAI harverster of this Lucene document base.
`protected void` | `configureOAIRepositories(org.apache.avalon.framework.configuration.Configuration configuration)` Configures on or more OAI repositories.
`protected void` | `configureOAIRepository(org.apache.avalon.framework.configuration.Configuration configuration)` Configures an OAIRespository Configures an OAIRespository based on the configuration element <oai-repository>
`protected void` | `configureSearchIndex()` Configures Lucene search index
`OAIRepository` | `createOAIRepository()` Creates the default OAIRepository for the documentbase, using the older configuration
`OAIRepository` | `createOAIRepository(org.apache.avalon.framework.configuration.Configuration configuration)` Creates the OAIRepository for the documentbase Configures an OAIRespository based on the configuration that must start with an element <oai-repository>
`OAIRepository` | `createOAIRepository(java.lang.String repoId)` Creates an OAIRepository for the documentbase, using the older configuration
`java.util.Date` | `creationDate()` Returns the creation date of the Lucene search index.
`void` | `delete(Document[] docs, org.xml.sax.ContentHandler handler)` Deletes documents to this base.
`protected void` | `deleteFromSearchIndex(java.lang.String docId)`
`int` | `docCount()` Returns the number of documents in all Lucene sub indexes.
`protected java.lang.String` | `getFormatedSubIndexId(int subIndexNumber)` Gets the formated sub-index number (for directories name)
`Index` | `getIndex()` Gets the Index object for indexing and searching.
`protected java.lang.Object` | `getIndexationDocument(IndexableDocument doc, java.lang.String storeDocId, java.lang.String repoId, IndexParameters params)`
`org.apache.lucene.index.IndexReader` | `getIndexReader()` Return the Lucene index reader Returns the index reader for all this document base indexes.
`protected long` | `getIndexSize(LuceneIndex index)` Returns the index size
`LuceneIndex` | `getLuceneIndex()`
`org.apache.lucene.search.Searcher` | `getSearcher()` Returns the Lucene index searcher Returns the index searcher for all this document base indexes.
`java.util.HashMap` | `getXMLFieldList()` Returns the list of XML type fields
`void` | `index(IndexableDocument[] docs, Repository repository, IndexParameters params, org.xml.sax.ContentHandler handler)` Adds one or more indexables documents to the search index of Lucene.
`void` | `indexModified()` Modifies the last modfication timestamp file
`void` | `init()` Initializes the document base.
`protected void` | `initializeVectorizedIndex()` Initializes the index vector Initializes the index vector by searching all sub index in it's directory NB : working as intended.
`protected boolean` | `initToSax()` Init the LinkedHashMap _xmlizable_objects with the objects in order to describ them in XML
`protected void` | `initVolatileObjectsToSax()` Init the LinkedHashMap _xmlizable_volatile_objects with the objects in order to describ them in XML.
`java.util.Date` | `lastModificationDate()` Returns the last modification date of the Lucene search index.
`void` | `mergeBatch()` Deprecated. This method is deprecated since SDX v. 2.3. Use mergeCurrentBatch() instead.
`void` | `mergeCurrentBatch()` Merges a batch of documents Merges a batch of documents (in memory) into the physical index on the file system and optimize this one if necessary (depends of the `autoOptimize` attribute for the current Document Base).
`void` | `optimize()` Process an optimization of the indexes and repositories and system databases
`void` | `reloadFieldList(java.lang.String appConfString)` Reloads the fieldList of an application
`protected void` | `removeSubIndex()` Remove a splitted sub-index and update configuration aftermath Currently of no use as there is no plan to do so, just here as a reminder for future functionnalities
`protected void` | `renewKeyIndex()` Refreshes data for the main and current index
`void` | `replaceFieldList(FieldList fieldList)` Replaces the current fieldList by the new one
`void` | `restore(SaveParameters save_config)` Restore the DocumentBase data objects
`protected void` | `restoreIndexes(SaveParameters save_config)` Save the indexes files
`protected void` | `restoreTimeStamp(SaveParameters save_config)` Restore the timestamp files
`protected IndexParameters` | `setBaseParameters(IndexParameters params)` Sets the default pipeline parameters and ensures the params have a pipeline
`protected void` | `setSearchIndexParameters(LuceneIndexParameters params)` Sets the search index parameters for indexation performance
`boolean` | `splitCheck(boolean currentIndex)` Tests splitting conditions Returns true when splitting condition are reached.
`void` | `splitIndex(boolean currentIndex)` Splits current index Splits the current big index into 2 smaller one

Methods inherited from class fr.gouv.culture.sdx.documentbase.SDXDocumentBase
`add, checkIntegrity, configureBase, configureIdGenerator, configureOAIComponents, configureOptimizeTriggers, configureRepositories, configureSplit, delete, deleteIndexableDocumentComponents, deleteRelationsToMastersFromDatabase, getByteSplitSize, getConfiguration, getDocument, getDocument, getDocument, getDocument, getIndexationInformations, getIndexationLogger, getOwners, getRelated, getRepositoryConfigurationList, getRepositoryForDocument, getRepositoryForStorage, getSplitDoc, getSplitSize, getSplitUnit, getUseCompoundFiles, handleParameters, index, index, isAutoOptimized, isIndexOptimized, rollbackIndexation, setConfiguration, targetTriggered`

Methods inherited from class fr.gouv.culture.sdx.documentbase.AbstractDocumentBase
`addOaiDeletedRecord, addOAIRepository, configurePipeline, createEntityForDocMetaData, delete, deletePhysicalDocument, getDefaultHitsPerPage, getDefaultMaxSort, getDefaultOAIRepository, getDefaultRepository, getIdGenerator, getIndexationPipeline, getMimeType, getOAIHarvester, getOAIRepositoriesSize, getOAIRepository, getOAIRepository, getPooledRepositoryConnection, getRepository, getSourceValidity, isDefault, isUseMetadata, managedOaiDeletedRecord, optimizeDatabase, optimizeRepositories, releasePooledRepositoryConnections, removeOaiDeletedRecord`

Methods inherited from class fr.gouv.culture.sdx.utils.database.DatabaseBacked
`configure, getClassNameSuffix, getDatabase`

Methods inherited from class fr.gouv.culture.sdx.utils.AbstractSdxObject
`configureDescription, contextualize, enableLogging, getBaseAttributes, getContext, getDescription, getEncoding, getId, getLocale, getLog, getServiceManager, getXmlLang, service, setDescription, setEncoding, setId, setLocale, setUpSdxObject, setUpSdxObject, setXmlLang, toSAX, verifyConfigurationResources`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface fr.gouv.culture.sdx.utils.SdxObject
`getLog`

Methods inherited from interface org.apache.avalon.framework.logger.LogEnabled
`enableLogging`

Methods inherited from interface org.apache.avalon.framework.context.Contextualizable
`contextualize`

Methods inherited from interface org.apache.avalon.framework.service.Serviceable
`service`

Methods inherited from interface fr.gouv.culture.sdx.utils.Identifiable
`getId, setId`

Methods inherited from interface fr.gouv.culture.sdx.utils.Describable
`getDescription, setDescription`

Methods inherited from interface fr.gouv.culture.sdx.utils.Encodable
`getEncoding, setEncoding`

Methods inherited from interface fr.gouv.culture.sdx.utils.Localizable
`getLocale, getXmlLang, setLocale, setXmlLang`

Methods inherited from interface org.apache.excalibur.xml.sax.XMLizable
`toSAX`

Methods inherited from interface fr.gouv.culture.sdx.search.Searchable
`getId`

Field Detail

### luceneSearchIndexList

    protected java.util.Vector luceneSearchIndexList

  The sub-indexes for this document base (first entry is the activeIndex)

### luceneActiveIndex

    protected LuceneIndex luceneActiveIndex

  The active index for this document base

### luceneCurrentIndex

    protected LuceneIndex luceneCurrentIndex

  The temporary index for this document base

### _fieldList

    protected FieldList _fieldList

  The (Lucene) fields that are to be handled by the index.

### _xmlFieldList

    protected java.util.HashMap _xmlFieldList

  The list of fields with a XML type

### subIndexCount

    protected int subIndexCount

  Number of subindexes

### lastDocCount

    protected long lastDocCount

  Number of indexed doc since last split

### INDEX_DIR_CURRENT

    protected final java.lang.String INDEX_DIR_CURRENT

  Directory names for indexes

  See Also:
    Constant Field Values

### INDEX_DIR_MAIN

    protected final java.lang.String INDEX_DIR_MAIN

See Also:
  Constant Field Values

### SEARCH_INDEX_DIRECTORY_NAME

    protected final java.lang.String SEARCH_INDEX_DIRECTORY_NAME

  The directory name for the index that stores documents' indexation.

  See Also:
    Constant Field Values

### DBELEM_ATTRIBUTE_REMOTE_ACCESS

    public static final java.lang.String DBELEM_ATTRIBUTE_REMOTE_ACCESS

  The implied attribute stating whether this document base is to be exposed to remote access or not.

  See Also:
    Constant Field Values

### ELEMENT_NAME_LUCENE_SDX_INTERNAL_FIELDS

    public static final java.lang.String ELEMENT_NAME_LUCENE_SDX_INTERNAL_FIELDS

  The element used to define system fields in sdx.xconf.

  See Also:
    Constant Field Values

Constructor Detail

### LuceneDocumentBase

    public LuceneDocumentBase()

  Creates the document base. After a document base is created, the super.getLog() could be set (optional, but suggested for errors messages) ; it should then be configured and after, initialized in order to work properly.

See Also:
  `AbstractSdxObject.enableLogging(org.apache.avalon.framework.logger.Logger)`, `configure(org.apache.avalon.framework.configuration.Configuration)`, `init()`

Method Detail

### configure

    public void configure(org.apache.avalon.framework.configuration.Configuration configuration)
                   throws org.apache.avalon.framework.configuration.ConfigurationException

  Sets the configuration options for this document base.

  Specified by:
    `configure` in interface `org.apache.avalon.framework.configuration.Configurable`
  Overrides:
    `configure` in class `SDXDocumentBase`
  Parameters:
    `configuration` - The configuration object from which to build a document base.

    Sample configuration entry:

        <sdx:documentBase sdx:id = "myDocumentBaseName" sdx:type = "lucene">
               <sdx:fieldList xml:lang = "fr-FR" sdx:variant = "" sdx:analyzerConf = "" sdx:analyzerClass = "">
             <sdx:field code = "fieldName" type = "word" xml:lang = "fr-FR" sdx:analyzerClass = "" sdx:analyzerConf = ""/>
             <sdx:field code = "fieldName2" type = "field" xml:lang = "fr-FR" brief = "true"/>
             <sdx:field code = "fieldName3" type = "date" xml:lang = "fr-FR"/>
             <sdx:field code = "fieldName4" type = "unindexed" xml:lang = "fr-FR"/>
             </sdx:fieldList>
             <sdx:index>
             <sdx:pipeline sdx:id = "sdxIndexationPipeline">
             <sdx:transformation src = "path to stylesheet, can be absolute or relative to the directory containing this file" sdx:id = "step2" sdx:type = "xslt"/>
             <sdx:transformation src = "path to stylesheet, can be absolute or relative to the directory containing this file" sdx:id = "step3" sdx:type = "xslt" keep = "true"/>
             </sdx:pipeline>
             </sdx:index>
             <sdx:repositories>
             <sdx:repository baseDirectory = "blah4" depth = "3" extent = "100" sdx:type = "FS" sdx:default = "true" sdx:id = "blah4"/>
             <sdx:repository ref = "blah2"/>
             </sdx:repositories>
             </sdx:documentBase>

  Throws:
    `org.apache.avalon.framework.configuration.ConfigurationException`

### configureDocumentBase

    protected void configureDocumentBase(org.apache.avalon.framework.configuration.Configuration configuration)
                                  throws org.apache.avalon.framework.configuration.ConfigurationException

  Configures the Lucene document base

  Specified by:
    `configureDocumentBase` in class `SDXDocumentBase`
  Throws:
    `org.apache.avalon.framework.configuration.ConfigurationException`

### configureFieldList

    protected void configureFieldList(org.apache.avalon.framework.configuration.Configuration configuration)
                               throws org.apache.avalon.framework.configuration.ConfigurationException

  Configures the fields list

  Parameters:
    `configuration` -
  Throws:
    `org.apache.avalon.framework.configuration.ConfigurationException`

### reloadFieldList

    public void reloadFieldList(java.lang.String appConfString)
                         throws SDXException

  Reloads the fieldList of an application

  Parameters:
    `appConfString` - The path of the configuration file wich contain the new fieldList (eg, file:///myFiles/application.xconf, cocoon://myApplication/conf/application.xconf)
  Throws:
    `SDXException`

### replaceFieldList

    public void replaceFieldList(FieldList fieldList)
                          throws org.apache.avalon.framework.configuration.ConfigurationException

  Replaces the current fieldList by the new one

  Parameters:
    `fieldList` - The new fieldList wich replace the old one
  Throws:
    `org.apache.avalon.framework.configuration.ConfigurationException`

### configureSearchIndex

    protected void configureSearchIndex()
                                 throws org.apache.avalon.framework.configuration.ConfigurationException

  Configures Lucene search index

  Throws:
    `org.apache.avalon.framework.configuration.ConfigurationException`

### createOAIRepository

    public OAIRepository createOAIRepository(java.lang.String repoId)

  Creates an OAIRepository for the documentbase, using the older configuration

  Overrides:
    `createOAIRepository` in class `AbstractDocumentBase`
  Parameters:
    `repoId` - String The id of the repository to create
  Returns:
    OAIRepository

### createOAIRepository

    public OAIRepository createOAIRepository()

  Creates the default OAIRepository for the documentbase, using the older configuration

  Specified by:
    `createOAIRepository` in interface `DocumentBase`
  Overrides:
    `createOAIRepository` in class `AbstractDocumentBase`
  Returns:
  See Also:
    `createOAIRepository(String)`

### createOAIRepository

    public OAIRepository createOAIRepository(org.apache.avalon.framework.configuration.Configuration configuration)

  Creates the OAIRepository for the documentbase Configures an OAIRespository based on the configuration that must start with an element <oai-repository>

  Parameters:
    `configuration` - The configuration
  Returns:
    OAIRepository

### configureOAIRepositories

    protected void configureOAIRepositories(org.apache.avalon.framework.configuration.Configuration configuration)
                                     throws org.apache.avalon.framework.configuration.ConfigurationException

  Configures on or more OAI repositories.

  Specified by:
    `configureOAIRepositories` in class `SDXDocumentBase`
  Parameters:
    `configuration` -
  Throws:
    `org.apache.avalon.framework.configuration.ConfigurationException`

### configureOAIRepository

    protected void configureOAIRepository(org.apache.avalon.framework.configuration.Configuration configuration)
                                   throws org.apache.avalon.framework.configuration.ConfigurationException

  Configures an OAIRespository Configures an OAIRespository based on the configuration element <oai-repository>

  Specified by:
    `configureOAIRepository` in class `SDXDocumentBase`
  Parameters:
    `configuration` - The configuration
  Throws:
    `org.apache.avalon.framework.configuration.ConfigurationException`
  See Also:
    `SDXDocumentBase.configureOAIRepository(org.apache.avalon.framework.configuration.Configuration)`

### configureOAIHarvester

    protected void configureOAIHarvester(org.apache.avalon.framework.configuration.Configuration configuration)
                                  throws org.apache.avalon.framework.configuration.ConfigurationException

  Configures the OAI harverster of this Lucene document base.

  Specified by:
    `configureOAIHarvester` in class `SDXDocumentBase`
  Throws:
    `org.apache.avalon.framework.configuration.ConfigurationException`

### index

    public void index(IndexableDocument[] docs,
                      Repository repository,
                      IndexParameters params,
                      org.xml.sax.ContentHandler handler)
               throws SDXException,
                      org.xml.sax.SAXException,
                      org.apache.cocoon.ProcessingException

  Adds one or more indexables documents to the search index of Lucene.

  After adding the document to the search index, this method recycles the Lucene searcher if :

  1. The auto-optimize option is false
  2. More than one documents are added to the search index

  Specified by:
    `index` in interface `DocumentBase`
  Overrides:
    `index` in class `SDXDocumentBase`
  Parameters:
    `docs` - The documents to add.
    `repository` - The repository where to store the documents. If null is passed, the default repository will be used.
    `params` - The parameters for this adding action.
    `handler` - A content handler where to send information about the process (may be null) TODO : what kind of "informations" ? -pb
  Throws:
    `SDXException`
    `org.xml.sax.SAXException`
    `org.apache.cocoon.ProcessingException`
  See Also:
    `SDXDocumentBase.index(fr.gouv.culture.sdx.document.IndexableDocument[], fr.gouv.culture.sdx.repository.Repository, fr.gouv.culture.sdx.documentbase.IndexParameters, org.xml.sax.ContentHandler)`

### delete

    public void delete(Document[] docs,
                       org.xml.sax.ContentHandler handler)
                throws SDXException,
                       org.xml.sax.SAXException,
                       org.apache.cocoon.ProcessingException

  Deletes documents to this base.

  Deletes one or more documents to this LuceneDocumentBase and recycle Lucene searcher if deletes only one document or the LuceneDocumentBase is not autoOptimize.

  Specified by:
    `delete` in interface `DocumentBase`
  Overrides:
    `delete` in class `SDXDocumentBase`
  Parameters:
    `docs` - The document to add and to index.
    `handler` - A content handler to feed with information.
  Throws:
    `SDXException`
    `org.xml.sax.SAXException`
    `org.apache.cocoon.ProcessingException`
  See Also:
    `AbstractDocumentBase.delete(Document, ContentHandler)`

### setBaseParameters

    protected IndexParameters setBaseParameters(IndexParameters params)

  Sets the default pipeline parameters and ensures the params have a pipeline

  Overrides:
    `setBaseParameters` in class `SDXDocumentBase`
  Parameters:
    `params` - The params object provided by the user at indexation time

### getXMLFieldList

    public java.util.HashMap getXMLFieldList()

  Description copied from class: `SDXDocumentBase`
  Returns the list of XML type fields

  Specified by:
    `getXMLFieldList` in class `SDXDocumentBase`

### getIndex

    public Index getIndex()

  Gets the Index object for indexing and searching.

  Returns:
    The LuceneIndex object.

### getLuceneIndex

    public LuceneIndex getLuceneIndex()

### setSearchIndexParameters

    protected void setSearchIndexParameters(LuceneIndexParameters params)

  Sets the search index parameters for indexation performance

  Parameters:
    `params` - The lucene specific params to user

### addToSearchIndex

    protected void addToSearchIndex(java.lang.Object indexationDoc,
                                    boolean batchIndex)
                             throws SDXException

  Writes a document to the search index

  Specified by:
    `addToSearchIndex` in class `SDXDocumentBase`
  Parameters:
    `indexationDoc` - The Document to add
    `batchIndex` -
  Throws:
    `SDXException`

### deleteFromSearchIndex

    protected void deleteFromSearchIndex(java.lang.String docId)
                                  throws SDXException

  Specified by:
    `deleteFromSearchIndex` in class `SDXDocumentBase`
  Throws:
    `SDXException`

### compactSearchIndex

    protected void compactSearchIndex()
                               throws SDXException

  Specified by:
    `compactSearchIndex` in class `SDXDocumentBase`
  Throws:
    `SDXException`

### getIndexationDocument

    protected java.lang.Object getIndexationDocument(IndexableDocument doc,
                                                     java.lang.String storeDocId,
                                                     java.lang.String repoId,
                                                     IndexParameters params)
                                              throws SDXException

  Specified by:
    `getIndexationDocument` in class `SDXDocumentBase`
  Throws:
    `SDXException`

### lastModificationDate

    public java.util.Date lastModificationDate()

  Returns the last modification date of the Lucene search index.

### creationDate

    public java.util.Date creationDate()

  Returns the creation date of the Lucene search index.

### init

    public void init()
              throws SDXException

  Description copied from interface: `DocumentBase`
  Initializes the document base.

  This method must be called after the super.getLog() has been set and the configuration done.

  Specified by:
    `init` in interface `DocumentBase`
  Overrides:
    `init` in class `SDXDocumentBase`
  Throws:
    `SDXException`

### initToSax

    protected boolean initToSax()

  Description copied from class: `AbstractSdxObject`
  Init the LinkedHashMap _xmlizable_objects with the objects in order to describ them in XML

  Overrides:
    `initToSax` in class `SDXDocumentBase`

### initVolatileObjectsToSax

    protected void initVolatileObjectsToSax()

  Init the LinkedHashMap _xmlizable_volatile_objects with the objects in order to describ them in XML.

  Some objects need to be refresh each time a toSAX is called.

  Overrides:
    `initVolatileObjectsToSax` in class `SDXDocumentBase`

### optimize

    public void optimize()

  Process an optimization of the indexes and repositories and system databases

  Specified by:
    `optimize` in interface `DocumentBase`
  Specified by:
    `optimize` in class `SDXDocumentBase`

### mergeCurrentBatch

    public void mergeCurrentBatch()

  Merges a batch of documents

  Merges a batch of documents (in memory) into the physical index on the file system and optimize this one if necessary (depends of the `autoOptimize` attribute for the current Document Base).

  Specified by:
    `mergeCurrentBatch` in class `SDXDocumentBase`

### indexModified

    public void indexModified()

  Modifies the last modfication timestamp file

  Specified by:
    `indexModified` in class `SDXDocumentBase`

### splitIndex

    public void splitIndex(boolean currentIndex)
                    throws java.io.IOException,
                           SDXException

  Splits current index

  Splits the current big index into 2 smaller one

  Specified by:
    `splitIndex` in class `SDXDocumentBase`
  Throws:
    `IOException,` - SDXException
    `java.io.IOException`
    `SDXException`

### initializeVectorizedIndex

    protected void initializeVectorizedIndex()
                                      throws org.apache.avalon.framework.configuration.ConfigurationException

  Initializes the index vector

  Initializes the index vector by searching all sub index in it's directory
  NB : working as intended.

  Throws:
    `org.apache.avalon.framework.configuration.ConfigurationException`

### addSubIndex

    protected void addSubIndex()
                        throws org.apache.avalon.framework.configuration.ConfigurationException

  Adds a splitted sub-index and update configuration aftermath

  Throws:
    `SDXException` - If it's impossible to configure or initialize the sub-index to add.
    `org.apache.avalon.framework.configuration.ConfigurationException`

### removeSubIndex

    protected void removeSubIndex()

  Remove a splitted sub-index and update configuration aftermath Currently of no use as there is no plan to do so, just here as a reminder for future functionnalities

### splitCheck

    public boolean splitCheck(boolean currentIndex)
                       throws SDXException

  Tests splitting conditions

  Returns true when splitting condition are reached. If so, should be followed by a splitIndex() call. Controls order:

  1. size of the index
  2. number of documents

  Specified by:
    `splitCheck` in class `SDXDocumentBase`
  Parameters:
    `currentIndex` - boolean to indicate the test concerns the current index (`true`) or the active one (`false`)
  Returns:
    `true` when splitting condition are reached, `false` otherwise.
  Throws:
    `SDXException`

### getIndexSize

    protected long getIndexSize(LuceneIndex index)

  Returns the index size

  Parameters:
    `index` - LuceneIndex
  Returns:
    long index size as long

### getSearcher

    public org.apache.lucene.search.Searcher getSearcher()
                                                  throws SDXException

  Returns the Lucene index searcher

  Returns the index searcher for all this document base indexes.

  Returns:
    Searcher
  Throws:
    `SDXException` - If it's not possible to build MultiSearcher.
  See Also:
    `ParallelMultiSearcher`

### getIndexReader

    public org.apache.lucene.index.IndexReader getIndexReader()
                                                       throws SDXException

  Return the Lucene index reader

  Returns the index reader for all this document base indexes.

  Returns:
    IndexReader
  Throws:
    `SDXException` - If it's not possible to build MultiReader.
  See Also:
    `MultiReader`

### getFormatedSubIndexId

    protected java.lang.String getFormatedSubIndexId(int subIndexNumber)

  Gets the formated sub-index number (for directories name)

  Parameters:
    `subIndexNumber` - int representing the number of the sub-index
  Returns:
    sub-index number formatted as a String

### addSubIndex

    protected void addSubIndex(LuceneIndex index)
                        throws SDXException

  Adds a splitted sub-index and update configuration aftermath

  Parameters:
    `index` - LuceneIndex
  Throws:
    `SDXException` - If nt's not possible to configure and initialize th sub-index.

### renewKeyIndex

    protected void renewKeyIndex()
                          throws SDXException

  Refreshes data for the main and current index

  Throws:
    `SDXException` - If it's impossible to freeing resources or initializing Lucene index.

### backup

    public void backup(SaveParameters save_config)
                throws SDXException

  Saves the DocumentBase data objects

  Specified by:
    `backup` in interface `Saveable`
  Overrides:
    `backup` in class `SDXDocumentBase`
  Parameters:
    `save_config` - SaveParameters
  Throws:
    `SDXException`
  See Also:
    `Saveable.backup(fr.gouv.culture.sdx.utils.save.SaveParameters)`

### backupIndexes

    protected void backupIndexes(SaveParameters save_config)
                          throws SDXException

  Save the indexes files

  Specified by:
    `backupIndexes` in class `SDXDocumentBase`
  Throws:
    `SDXException`

### backupTimeStamp

    protected void backupTimeStamp(SaveParameters save_config)
                            throws SDXException

  Save the timestamp files

  Specified by:
    `backupTimeStamp` in class `SDXDocumentBase`
  Throws:
    `SDXException`

### restore

    public void restore(SaveParameters save_config)
                 throws SDXException

  Restore the DocumentBase data objects

  Specified by:
    `restore` in interface `Saveable`
  Overrides:
    `restore` in class `SDXDocumentBase`
  Throws:
    `SDXException`
  See Also:
    `Saveable.restore(fr.gouv.culture.sdx.utils.save.SaveParameters)`

### restoreIndexes

    protected void restoreIndexes(SaveParameters save_config)
                           throws SDXException

  Save the indexes files

  Specified by:
    `restoreIndexes` in class `SDXDocumentBase`
  Throws:
    `SDXException`

### restoreTimeStamp

    protected void restoreTimeStamp(SaveParameters save_config)
                             throws SDXException

  Restore the timestamp files

  Specified by:
    `restoreTimeStamp` in class `SDXDocumentBase`
  Throws:
    `SDXException`

### docCount

    public int docCount()

  Returns the number of documents in all Lucene sub indexes.

  Returns:
    the number of document in all sub indexes
    TODO - This needs to be periodically written to a .properties file
    TODO - we a configurable generic mechanism to save such information to a .properties file like certain queries, terms, etc. which should be updated after indexation/deletion

### mergeBatch

    public void mergeBatch()
                    throws SDXException

  Deprecated. This method is deprecated since SDX v. 2.3. Use mergeCurrentBatch() instead.

  Merges a batch of documents (in memory) into the physical index on the file system.

  Specified by:
    `mergeBatch` in class `SDXDocumentBase`
  Throws:
    `SDXException`

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