com.logicaldoc.core.searchengine

Class StandardSearchEngine

java.lang.Object

com.logicaldoc.core.searchengine.StandardSearchEngine

All Implemented Interfaces:

SearchEngine

public class StandardSearchEngine
extends Object
implements SearchEngine

Standard implementation that implements a local search engine

Since:

6.5

Author:

Marco Meschieri - Logical Objects

Field Summary

Fields

Modifier and Type	Field and Description
protected DocumentDAO	documentDao
protected static org.slf4j.Logger	log
protected org.apache.solr.client.solrj.embedded.EmbeddedSolrServer	server

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	StandardSearchEngine()

Method Summary

Methods

Modifier and Type	Method and Description
void	addHit(Document document, InputStream content) Adds a new hit to the index
void	addHit(Document document, String content) Adds a new Hit into the index
String	check() Launch the check on the Index
void	close() Close all indexing operations, shuts down the engine.
void	deleteHit(long id) Deletes an hit in the index of the search engine.
void	deleteHits(Collection<Long> ids) Removed all passed hits from the index
void	dropIndexes() Drops the fulltext index
long	getCount() Returns the number of indexed documents in all indexes.
Hit	getHit(long id)
Object	getServer() Service method to get access from the internal core
void	init() To be called on the context startup, this method creates all indexes and unlock the existing ones
boolean	isLocked() Check if at least one index is locked
void	optimize() Launch the index optimization and triggers the build of spellcheck dictionary
protected org.apache.solr.client.solrj.SolrQuery	prepareSearchQuery(String expression, String[] filters, String expressionLanguage, Integer rows) Prepares the query for a search.
Hits	search(String expression, String[] filters, String expressionLanguage, Integer rows) Search for hits.
void	setConfig(ContextProperties config)
void	setDocumentDao(DocumentDAO documentDao)
void	unlock() This method can unlock a locked index.

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static org.slf4j.Logger log

documentDao

protected DocumentDAO documentDao

server

protected org.apache.solr.client.solrj.embedded.EmbeddedSolrServer server

Constructor Detail

StandardSearchEngine

protected StandardSearchEngine()

Method Detail

setConfig

public void setConfig(ContextProperties config)

setDocumentDao

public void setDocumentDao(DocumentDAO documentDao)

addHit

public void addHit(Document document,
          String content)
            throws Exception

Description copied from interface: SearchEngine

Adds a new Hit into the index

Specified by:

addHit in interface SearchEngine

Throws:

Exception

addHit

public void addHit(Document document,
          InputStream content)
            throws Exception

Description copied from interface: SearchEngine

Adds a new hit to the index

Specified by:

addHit in interface SearchEngine

Parameters:

document - The document that we want to add

content - Stream of the document's file

Throws:

Exception

optimize

public void optimize()

Description copied from interface: SearchEngine

Launch the index optimization and triggers the build of spellcheck dictionary

Specified by:

optimize in interface SearchEngine

check

public String check()

Description copied from interface: SearchEngine

Launch the check on the Index

Specified by:

check in interface SearchEngine

deleteHit

public void deleteHit(long id)

Description copied from interface: SearchEngine

Deletes an hit in the index of the search engine.

Specified by:

deleteHit in interface SearchEngine

Parameters:

id - - id of the hit

deleteHits

public void deleteHits(Collection<Long> ids)

Description copied from interface: SearchEngine

Removed all passed hits from the index

Specified by:

deleteHits in interface SearchEngine

Parameters:

ids - Collection of hit identifiers

getHit

public Hit getHit(long id)

Specified by:

getHit in interface SearchEngine

search

public Hits search(String expression,
          String[] filters,
          String expressionLanguage,
          Integer rows)

Description copied from interface: SearchEngine

Search for hits.
Attention: The hits will be populated with just the fields stored in the index.

Specified by:

search in interface SearchEngine

prepareSearchQuery

protected org.apache.solr.client.solrj.SolrQuery prepareSearchQuery(String expression,
                                                        String[] filters,
                                                        String expressionLanguage,
                                                        Integer rows)

Prepares the query for a search.

close

public void close()

Description copied from interface: SearchEngine

Close all indexing operations, shuts down the engine.

Specified by:

close in interface SearchEngine

unlock

public void unlock()

Description copied from interface: SearchEngine

This method can unlock a locked index.

Specified by:

unlock in interface SearchEngine

isLocked

public boolean isLocked()

Description copied from interface: SearchEngine

Check if at least one index is locked

Specified by:

isLocked in interface SearchEngine

Returns:

true if one or more indexes are locked

getCount

public long getCount()

Description copied from interface: SearchEngine

Returns the number of indexed documents in all indexes. Used for statistical output.

Specified by:

getCount in interface SearchEngine

See Also:

SearchEngine.getCount()

dropIndexes

public void dropIndexes()

Description copied from interface: SearchEngine

Drops the fulltext index

Specified by:

dropIndexes in interface SearchEngine

See Also:

SearchEngine.dropIndexes()

init

public void init()

Description copied from interface: SearchEngine

To be called on the context startup, this method creates all indexes and unlock the existing ones

Specified by:

init in interface SearchEngine

See Also:

SearchEngine.init()

getServer

public Object getServer()

Description copied from interface: SearchEngine

Service method to get access from the internal core

Specified by:

getServer in interface SearchEngine