org.apache.jackrabbit.core.query.lucene
Class LuceneQueryBuilder

java.lang.Object
  org.apache.jackrabbit.core.query.lucene.LuceneQueryBuilder

All Implemented Interfaces:

QueryNodeVisitor

public class LuceneQueryBuilder

extends Object

implements QueryNodeVisitor

Implements a query builder that takes an abstract query tree and creates a lucene Query tree that can be executed on an index. todo introduce a node type hierarchy for efficient translation of NodeTypeQueryNode

Method Summary

static org.apache.lucene.search.Query	createQuery(QueryRootNode root, SessionImpl session, ItemStateManager sharedItemMgr, NamespaceMappings nsMappings, org.apache.lucene.analysis.Analyzer analyzer, PropertyTypeRegistry propReg) Creates a lucene Query tree from an abstract query tree.
Object	visit(AndQueryNode node, Object data)
Object	visit(DerefQueryNode node, Object data)
Object	visit(ExactQueryNode node, Object data)
Object	visit(LocationStepQueryNode node, Object data)
Object	visit(NodeTypeQueryNode node, Object data)
Object	visit(NotQueryNode node, Object data)
Object	visit(OrderQueryNode node, Object data)
Object	visit(OrQueryNode node, Object data)
Object	visit(PathQueryNode node, Object data)
Object	visit(QueryRootNode node, Object data)
Object	visit(RelationQueryNode node, Object data)
Object	visit(TextsearchQueryNode node, Object data)

Methods inherited from class java.lang.Object

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

Method Detail

createQuery

public static org.apache.lucene.search.Query createQuery(QueryRootNode root,
                                                         SessionImpl session,
                                                         ItemStateManager sharedItemMgr,
                                                         NamespaceMappings nsMappings,
                                                         org.apache.lucene.analysis.Analyzer analyzer,
                                                         PropertyTypeRegistry propReg)
                                                  throws RepositoryException

Creates a lucene Query tree from an abstract query tree.

Parameters:

root - the root node of the abstract query tree.

session - of the user executing the query.

sharedItemMgr - the shared item state manager of the workspace.

nsMappings - namespace resolver for internal prefixes.

analyzer - for parsing the query statement of the contains function.

propReg - the property type registry to lookup type information.

Returns:

the lucene query tree.

Throws:

RepositoryException - if an error occurs during the translation.

visit

public Object visit(QueryRootNode node,
                    Object data)

Specified by:

visit in interface QueryNodeVisitor

visit

public Object visit(OrQueryNode node,
                    Object data)

Specified by:

visit in interface QueryNodeVisitor

visit

public Object visit(AndQueryNode node,
                    Object data)

Specified by:

visit in interface QueryNodeVisitor

visit

public Object visit(NotQueryNode node,
                    Object data)

Specified by:

visit in interface QueryNodeVisitor

visit

public Object visit(ExactQueryNode node,
                    Object data)

Specified by:

visit in interface QueryNodeVisitor

visit

public Object visit(NodeTypeQueryNode node,
                    Object data)

Specified by:

visit in interface QueryNodeVisitor

visit

public Object visit(TextsearchQueryNode node,
                    Object data)

Specified by:

visit in interface QueryNodeVisitor

visit

public Object visit(PathQueryNode node,
                    Object data)

Specified by:

visit in interface QueryNodeVisitor

visit

public Object visit(LocationStepQueryNode node,
                    Object data)

Specified by:

visit in interface QueryNodeVisitor

visit

public Object visit(DerefQueryNode node,
                    Object data)

Specified by:

visit in interface QueryNodeVisitor

visit

public Object visit(RelationQueryNode node,
                    Object data)

Specified by:

visit in interface QueryNodeVisitor

visit

public Object visit(OrderQueryNode node,
                    Object data)

Specified by:

visit in interface QueryNodeVisitor