Examples of org.apache.directory.server.xdbm.search.Evaluator

Package org.apache.directory.server.xdbm.search

Examples of org.apache.directory.server.xdbm.search.Evaluator

org.apache.directory.server.xdbm.search.Evaluator
Evaluates candidate entries to see if they match a filter expression. Evaluators contain various overloads to the evaluate method. Often a developer working in this region of the code may wonder when to use one override verses another. The overload taking an IndexEntry argument is specifically suited for use when there is the possibility of multiple entry lookups from the master table. If the same candidate in the form of an IndexEntry is evaluated more then this overload is more efficient since it stores the looked up entry in the IndexEntry preventing multiple lookups. If the index entry is already populated with an entry object, and some evaluation is required then it is preferrable to use the overload that takes a Long id instead. Likewise if it is known in advance that the expression is a leaf node built on an indexed attribute then the overload with the Long id argument is also preferrable unless an IndexEntry already exists in which case it makes no difference. The overload taking the ServerEntry itself is a last resort option and ok to use when it is known that no index exists for the attributes of Evaluators based on leaf expressions. @author Apache Directory Project @version $Rev: 917312 $


                if ( engine != null && exprNode != null )
                {
                    if ( db.getChildCount( rec.getId() ) == 0 )
                    {
                        Evaluator evaluator = engine.evaluator( exprNode );
                        if ( evaluator.evaluateId( rec.getId() ) )
                        {
                            ServerEntry newEntry = db.lookup( rec.getId() );
                            EntryNode child = new EntryNode( ( Long ) rec.getId(), this, db, newEntry, map, exprNode,
                                engine );
                            children.add( child );

View Full Code Here


                if ( engine != null && exprNode != null )
                {
                    if ( db.getChildCount( (Long)rec.getId() ) == 0 )
                    {
                        Evaluator evaluator = engine.evaluator( exprNode );
                        
                        if ( evaluator.evaluate( rec ) )
                        {
                            Entry newEntry = db.lookup( (Long)rec.getId() );
                            EntryNode child = new EntryNode( ( Long ) rec.getId(), this, db, newEntry, map, exprNode,
                                engine );
                            children.add( child );

View Full Code Here


                if ( engine != null && exprNode != null )
                {
                    if ( db.getChildCount( rec.getId() ) == 0 )
                    {
                        Evaluator evaluator = engine.evaluator( exprNode );
                        if ( evaluator.evaluateId( rec.getId() ) )
                        {
                            ServerEntry newEntry = db.lookup( rec.getId() );
                            EntryNode child = new EntryNode( ( Long ) rec.getId(), this, db, newEntry, map, exprNode,
                                engine );
                            children.add( child );

View Full Code Here


                if ( engine != null && exprNode != null )
                {
                    if ( db.getChildCount( rec.getId() ) == 0 )
                    {
                        Evaluator evaluator = engine.evaluator( exprNode );
                        if ( evaluator.evaluate( rec.getId() ) )
                        {
                            ServerEntry newEntry = db.lookup( rec.getId() );
                            EntryNode child = new EntryNode( rec.getId(), this, db, newEntry, map, exprNode, engine );
                            children.add( child );
                        }

View Full Code Here


                if ( engine != null && exprNode != null )
                {
                    if ( db.getChildCount( ( String ) rec.getId() ) == 0 )
                    {
                        Evaluator evaluator = engine.evaluator( exprNode );


                        if ( evaluator.evaluate( rec ) )
                        {
                            Entry newEntry = db.lookup( ( String ) rec.getId() );
                            EntryNode child = new EntryNode( ( String ) rec.getId(), this, db, newEntry, map, exprNode,
                                engine );
                            children.add( child );

View Full Code Here


                if ( engine != null && exprNode != null )
                {
                    if ( db.getChildCount( rec.getId() ) == 0 )
                    {
                        Evaluator evaluator = engine.evaluator( exprNode );
                        if ( evaluator.evaluateId( rec.getId() ) )
                        {
                            Entry newEntry = db.lookup( rec.getId() );
                            EntryNode child = new EntryNode( ( Long ) rec.getId(), this, db, newEntry, map, exprNode,
                                engine );
                            children.add( child );

View Full Code Here

TOP

Related Classes of org.apache.directory.server.xdbm.search.Evaluator

org.apache.directory.server.core.partition.impl.btree.gui.EntryNode

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.