/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.directory.server.xdbm.search.impl;
import java.util.HashSet;
import java.util.Set;
import org.apache.directory.server.core.api.filtering.BaseEntryFilteringCursor;
import org.apache.directory.server.core.api.interceptor.context.SearchOperationContext;
import org.apache.directory.server.core.api.interceptor.context.SearchingOperationContext;
import org.apache.directory.server.core.partition.impl.btree.AbstractBTreePartition;
import org.apache.directory.server.core.partition.impl.btree.EntryCursorAdaptor;
import org.apache.directory.server.core.partition.impl.btree.IndexCursorAdaptor;
import org.apache.directory.server.xdbm.IndexEntry;
import org.apache.directory.server.xdbm.Store;
import org.apache.directory.server.xdbm.search.Evaluator;
import org.apache.directory.server.xdbm.search.PartitionSearchResult;
import org.apache.directory.shared.ldap.model.cursor.Cursor;
import org.apache.directory.shared.ldap.model.entry.Entry;
import org.apache.directory.shared.ldap.model.filter.ExprNode;
import org.apache.directory.shared.ldap.model.schema.SchemaManager;
/**
* A class containing common method and fields for Cursor tests.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class AbstractCursorTest
{
protected EvaluatorBuilder evaluatorBuilder;
protected CursorBuilder cursorBuilder;
protected Store store;
protected static SchemaManager schemaManager;
/**
* Creates a cursor from a filter
*
* @param root The filter we are using for the cursor construction
* @return The constructed cursor
* @throws Exception If anything went wrong
*/
protected Cursor<Entry> buildCursor( ExprNode root ) throws Exception
{
Evaluator<? extends ExprNode> evaluator = evaluatorBuilder.build( root );
PartitionSearchResult searchResult = new PartitionSearchResult( schemaManager );
Set<IndexEntry<String, String>> resultSet = new HashSet<IndexEntry<String, String>>();
Set<String> uuids = new HashSet<String>();
searchResult.setCandidateSet( uuids );
long candidates = cursorBuilder.build( root, searchResult );
if ( candidates < Long.MAX_VALUE )
{
for ( String uuid : uuids )
{
IndexEntry<String, String> indexEntry = new IndexEntry<String, String>();
indexEntry.setId( uuid );
resultSet.add( indexEntry );
}
}
else
{
// Full scan : use the MasterTable
Cursor<IndexEntry<String, String>> cursor = new IndexCursorAdaptor( store.getMasterTable().cursor(), true );
while ( cursor.next() )
{
IndexEntry<String, String> indexEntry = cursor.get();
// Here, the indexEntry contains a <UUID, Entry> tuple. Convert it to <UUID, UUID>
IndexEntry<String, String> forwardIndexEntry = new IndexEntry<String, String>();
forwardIndexEntry.setKey( indexEntry.getKey() );
forwardIndexEntry.setId( indexEntry.getKey() );
forwardIndexEntry.setEntry( indexEntry.getEntry() );
resultSet.add( forwardIndexEntry );
}
}
searchResult.setResultSet( resultSet );
searchResult.setEvaluator( evaluator );
SearchingOperationContext operationContext = new SearchOperationContext( null );
return new BaseEntryFilteringCursor( new EntryCursorAdaptor( ( AbstractBTreePartition ) store, searchResult ),
operationContext );
}
}