Package org.apache.jackrabbit.core.query.lucene

Class LuceneQueryFactory

java.lang.Object

org.apache.jackrabbit.core.query.lucene.LuceneQueryFactory

public class LuceneQueryFactory
extends Object

Factory that creates Lucene queries from QOM elements.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	LuceneQueryFactory.QueryPair
protected static class	LuceneQueryFactory.Transform

Field Summary

Fields

Modifier and Type	Field	Description
protected OperandEvaluator	evaluator	Operand evaluator
protected SearchIndex	index	Lucene search index
protected String	mixinTypesField
protected NamePathResolver	npResolver	NamePathResolver to map namespace mappings to internal prefixes
protected NamespaceMappings	nsMappings	Namespace mappings to internal prefixes
protected NodeTypeManager	ntManager	Node type manager
protected String	primaryTypeField
protected SessionImpl	session	Session of the user executing this query

Constructor Summary

Constructors

Constructor	Description
LuceneQueryFactory(SessionImpl session, SearchIndex index, Map<String,Value> bindVariables)	Creates a new lucene query factory.

Method Summary

Modifier and Type	Method	Description
protected void	addBooleanConstraint(BooleanQuery query, Constraint constraint, BooleanClause.Occur occur, Map<String,NodeType> selectorMap, JackrabbitIndexSearcher searcher)
protected Query	create(Constraint constraint, Map<String,NodeType> selectorMap, JackrabbitIndexSearcher searcher)
Query	create(Selector selector)	Creates a lucene query for the given QOM selector.
Query	create(FullTextSearchImpl fts)	Creates a lucene query for the given QOM full text search.
Query	create(PropertyExistenceImpl prop)	Creates a lucene query for the given QOM property existence constraint.
protected Term	createNodeTypeTerm(NodeType type)
List<Row>	execute(Map<String,PropertyValue> columns, Selector selector, Constraint constraint, Sort sort, boolean externalSort, long offsetIn, long limitIn)
protected BooleanQuery	getAndQuery(And and, Map<String,NodeType> selectorMap, JackrabbitIndexSearcher searcher)
protected Query	getComparisonQuery(DynamicOperand left, int transform, String operator, StaticOperand rigth, Map<String,NodeType> selectorMap)
protected Query	getDescendantNodeQuery(DescendantNode dn, JackrabbitIndexSearcher searcher)
protected Query	getFullTextSearchQuery(FullTextSearch fts)
protected Query	getNodeIdQuery(String field, String path)
protected Query	getNodeLocalNameQuery(int transform, String operator, StaticOperand right)
protected Query	getNodeNameQuery(int transform, String operator, StaticOperand right)
protected org.apache.jackrabbit.core.query.lucene.NotQuery	getNotQuery(Not not, Map<String,NodeType> selectorMap, JackrabbitIndexSearcher searcher)
protected BooleanQuery	getOrQuery(Or or, Map<String,NodeType> selectorMap, JackrabbitIndexSearcher searcher)
protected Query	getPropertyExistenceQuery(PropertyExistence property)
protected Query	getPropertyValueQuery(String field, String operator, Value value, int type, int transform)
protected Term	getTerm(String field, String value)
protected String	getValueString(Value value, int type)
protected Predicate	mapConstraintToQueryAndFilter(LuceneQueryFactory.QueryPair query, Constraint constraint, Map<String,NodeType> selectorMap, JackrabbitIndexSearcher searcher, IndexReader reader)

Methods inherited from class java.lang.Object

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

Field Detail

session

protected final SessionImpl session

Session of the user executing this query

ntManager

protected final NodeTypeManager ntManager

Node type manager

index

protected final SearchIndex index

Lucene search index

nsMappings

protected final NamespaceMappings nsMappings

Namespace mappings to internal prefixes

npResolver

protected final NamePathResolver npResolver

NamePathResolver to map namespace mappings to internal prefixes

evaluator

protected final OperandEvaluator evaluator

Operand evaluator

mixinTypesField

protected final String mixinTypesField

primaryTypeField

protected final String primaryTypeField

Constructor Detail

LuceneQueryFactory

public LuceneQueryFactory(SessionImpl session,
                          SearchIndex index,
                          Map<String,Value> bindVariables)
                   throws RepositoryException

Creates a new lucene query factory.

Parameters:

session - the session that executes the query.

index - the search index

bindVariables - the bind variable values of the query

Throws:

RepositoryException

Method Detail

execute

public List<Row> execute(Map<String,PropertyValue> columns,
                         Selector selector,
                         Constraint constraint,
                         Sort sort,
                         boolean externalSort,
                         long offsetIn,
                         long limitIn)
                  throws RepositoryException,
                         IOException

Parameters:

columns -

selector -

constraint -

externalSort - if true it means that the lqf should just let the QueryEngine take care of sorting and applying applying offset and limit constraints

offsetIn - used in pagination

limitIn - used in pagination

Returns:

a list of rows

Throws:

RepositoryException

IOException

create

public Query create(Selector selector)
             throws RepositoryException

Creates a lucene query for the given QOM selector.

Parameters:

selector - the selector.

Returns:

a lucene query for the given selector.

Throws:

RepositoryException - if an error occurs while creating the query.

createNodeTypeTerm

protected Term createNodeTypeTerm(NodeType type)
                           throws RepositoryException

Throws:

RepositoryException

create

public Query create(FullTextSearchImpl fts)
             throws RepositoryException

Creates a lucene query for the given QOM full text search.

Parameters:

fts - the full text search constraint.

Returns:

the lucene query for the given constraint.

Throws:

RepositoryException - if an error occurs while creating the query.

create

public Query create(PropertyExistenceImpl prop)
             throws RepositoryException

Creates a lucene query for the given QOM property existence constraint.

Parameters:

prop - the QOM constraint.

Returns:

the lucene query for the given constraint.

Throws:

RepositoryException - if an error occurs while creating the query.

mapConstraintToQueryAndFilter

protected Predicate mapConstraintToQueryAndFilter(LuceneQueryFactory.QueryPair query,
                                                  Constraint constraint,
                                                  Map<String,NodeType> selectorMap,
                                                  JackrabbitIndexSearcher searcher,
                                                  IndexReader reader)
                                           throws RepositoryException,
                                                  IOException

Throws:

RepositoryException

IOException

create

protected Query create(Constraint constraint,
                       Map<String,NodeType> selectorMap,
                       JackrabbitIndexSearcher searcher)
                throws RepositoryException,
                       IOException

Throws:

RepositoryException

IOException

getDescendantNodeQuery

protected Query getDescendantNodeQuery(DescendantNode dn,
                                       JackrabbitIndexSearcher searcher)
                                throws RepositoryException,
                                       IOException

Throws:

RepositoryException

IOException

getFullTextSearchQuery

protected Query getFullTextSearchQuery(FullTextSearch fts)
                                throws RepositoryException

Throws:

RepositoryException

getAndQuery

protected BooleanQuery getAndQuery(And and,
                                   Map<String,NodeType> selectorMap,
                                   JackrabbitIndexSearcher searcher)
                            throws RepositoryException,
                                   IOException

Throws:

RepositoryException

IOException

getOrQuery

protected BooleanQuery getOrQuery(Or or,
                                  Map<String,NodeType> selectorMap,
                                  JackrabbitIndexSearcher searcher)
                           throws RepositoryException,
                                  IOException

Throws:

RepositoryException

IOException

addBooleanConstraint

protected void addBooleanConstraint(BooleanQuery query,
                                    Constraint constraint,
                                    BooleanClause.Occur occur,
                                    Map<String,NodeType> selectorMap,
                                    JackrabbitIndexSearcher searcher)
                             throws RepositoryException,
                                    IOException

Throws:

RepositoryException

IOException

getNotQuery

protected org.apache.jackrabbit.core.query.lucene.NotQuery getNotQuery(Not not,
                                                                       Map<String,NodeType> selectorMap,
                                                                       JackrabbitIndexSearcher searcher)
                                                                throws RepositoryException,
                                                                       IOException

Throws:

RepositoryException

IOException

getPropertyExistenceQuery

protected Query getPropertyExistenceQuery(PropertyExistence property)
                                   throws RepositoryException

Throws:

RepositoryException

getComparisonQuery

protected Query getComparisonQuery(DynamicOperand left,
                                   int transform,
                                   String operator,
                                   StaticOperand rigth,
                                   Map<String,NodeType> selectorMap)
                            throws RepositoryException

Throws:

RepositoryException

getNodeNameQuery

protected Query getNodeNameQuery(int transform,
                                 String operator,
                                 StaticOperand right)
                          throws RepositoryException

Throws:

RepositoryException

getNodeLocalNameQuery

protected Query getNodeLocalNameQuery(int transform,
                                      String operator,
                                      StaticOperand right)
                               throws RepositoryException

Throws:

RepositoryException

getNodeIdQuery

protected Query getNodeIdQuery(String field,
                               String path)
                        throws RepositoryException

Throws:

RepositoryException

getPropertyValueQuery

protected Query getPropertyValueQuery(String field,
                                      String operator,
                                      Value value,
                                      int type,
                                      int transform)
                               throws RepositoryException

Throws:

RepositoryException

getTerm

protected Term getTerm(String field,
                       String value)

getValueString

protected String getValueString(Value value,
                                int type)
                         throws RepositoryException

Throws:

RepositoryException