com.openkm.dao

Class SearchDAO

java.lang.Object

com.openkm.dao.SearchDAO

public class SearchDAO
extends Object

Search results are filtered by com.openkm.module.db.stuff.ReadAccessFilterFactory, which limit the results only for those which have read access.

Author:

pavila

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.lucene.analysis.Analyzer	analyzer
static String	SEARCH_ACCESS_MANAGER_LIMITED
static String	SEARCH_ACCESS_MANAGER_MORE
static String	SEARCH_ACCESS_MANAGER_WINDOW
static String	SEARCH_LUCENE

Method Summary

Methods

Modifier and Type	Method and Description
NodeResultSet	findByQuery(org.apache.lucene.search.Query query, int offset, int limit) Search by query
NodeResultSet	findBySimpleQuery(String expression, int offset, int limit) Search by simple query
List<String>	findFoldersInDepth(String parentUuid) Find by parent in depth TODO This cache should be for every user (no pass through access manager) and cleaned after a create, move or copy folder operation.
static SearchDAO	getInstance()
List<String>	getTerms(Class<?> entityType, String nodeUuid) Get Lucent document terms.
NodeResultSet	moreLikeThis(String uuid, int maxResults) Return a list of similar documents.
org.apache.lucene.search.Query	parseQuery(String expression, String field) Parses a query string, returning a Query.

Methods inherited from class java.lang.Object

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

Field Detail

SEARCH_LUCENE

public static final String SEARCH_LUCENE

See Also:

Constant Field Values

SEARCH_ACCESS_MANAGER_MORE

public static final String SEARCH_ACCESS_MANAGER_MORE

See Also:

Constant Field Values

SEARCH_ACCESS_MANAGER_WINDOW

public static final String SEARCH_ACCESS_MANAGER_WINDOW

See Also:

Constant Field Values

SEARCH_ACCESS_MANAGER_LIMITED

public static final String SEARCH_ACCESS_MANAGER_LIMITED

See Also:

Constant Field Values

analyzer

public static org.apache.lucene.analysis.Analyzer analyzer

Method Detail

getInstance

public static SearchDAO getInstance()

findByQuery

public NodeResultSet findByQuery(org.apache.lucene.search.Query query,
                        int offset,
                        int limit)
                          throws ParseException,
                                 DatabaseException

Search by query

Throws:

ParseException

DatabaseException

findBySimpleQuery

public NodeResultSet findBySimpleQuery(String expression,
                              int offset,
                              int limit)
                                throws ParseException,
                                       DatabaseException

Search by simple query

Throws:

ParseException

DatabaseException

parseQuery

public org.apache.lucene.search.Query parseQuery(String expression,
                                        String field)
                                          throws ParseException,
                                                 DatabaseException

Parses a query string, returning a Query.

Parameters:

expression - the query string to be parsed.

field - the default field for query terms.

Throws:

ParseException

DatabaseException

findFoldersInDepth

public List<String> findFoldersInDepth(String parentUuid)
                                throws PathNotFoundException,
                                       DatabaseException

Find by parent in depth TODO This cache should be for every user (no pass through access manager) and cleaned after a create, move or copy folder operation.

Throws:

PathNotFoundException

DatabaseException

moreLikeThis

public NodeResultSet moreLikeThis(String uuid,
                         int maxResults)
                           throws DatabaseException,
                                  PathNotFoundException

Return a list of similar documents.

Throws:

DatabaseException

PathNotFoundException

getTerms

public List<String> getTerms(Class<?> entityType,
                    String nodeUuid)
                      throws org.apache.lucene.index.CorruptIndexException,
                             IOException

Get Lucent document terms.

Throws:

org.apache.lucene.index.CorruptIndexException

IOException