| /* |
| * 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.mavibot.btree; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.directory.api.ldap.model.entry.Entry; |
| import org.apache.directory.api.ldap.model.schema.SchemaManager; |
| import org.apache.directory.api.ldap.model.schema.registries.Schema; |
| import org.apache.directory.api.ldap.model.schema.registries.SchemaLoader; |
| import org.apache.directory.api.ldap.schema.loader.LdifSchemaLoader; |
| import org.apache.directory.api.ldap.schema.manager.impl.DefaultSchemaManager; |
| import org.apache.directory.mavibot.btree.memory.BulkDataSorter; |
| import org.apache.directory.mavibot.btree.serializer.ElementSerializer; |
| import org.apache.directory.mavibot.btree.serializer.StringSerializer; |
| import org.apache.directory.server.core.partition.impl.btree.mavibot.LdifTupleComparator; |
| import org.apache.directory.server.core.partition.impl.btree.mavibot.LdifTupleReaderWriter; |
| import org.apache.directory.server.core.partition.impl.btree.mavibot.MavibotEntrySerializer; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * TODO LdifDataLoader. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class LdifDataLoader |
| { |
| private SchemaManager schemaManager; |
| |
| private ElementSerializer<String> keySerializer = StringSerializer.INSTANCE; |
| |
| private ElementSerializer<Entry> valSerializer = new MavibotEntrySerializer(); |
| |
| private static final Logger LOG = LoggerFactory.getLogger( LdifDataLoader.class ); |
| |
| public LdifDataLoader() |
| { |
| } |
| |
| public boolean load( String schemaPartitionDir, String ldifFile, String targetPartitionDir ) |
| { |
| initSchema( schemaPartitionDir ); |
| |
| if( schemaManager == null ) |
| { |
| LOG.warn( "Failed to load the schema, aborting data load" ); |
| return false; |
| } |
| |
| return load( ldifFile, targetPartitionDir ); |
| } |
| |
| |
| public boolean load( String ldifFile, String targetPartitionDir ) |
| { |
| |
| if( schemaManager == null ) |
| { |
| LOG.warn( "No SchemaManager instance was found, aborting data load" ); |
| return false; |
| } |
| |
| File dataFile = new File( ldifFile ); |
| |
| if( !dataFile.exists() ) |
| { |
| LOG.warn( "File {} does not exist", ldifFile ); |
| return false; |
| } |
| else |
| { |
| if( !dataFile.canRead() ) |
| { |
| LOG.warn( "File {} cannot be read by the current user", ldifFile ); |
| return false; |
| } |
| } |
| |
| RecordManager rm = new RecordManager( targetPartitionDir ); |
| Set<String> existing = rm.getManagedTrees(); |
| if( existing.size() > 2 ) |
| { |
| LOG.warn( "Looks like the given partition directory {} already contains data of a mavibot partiton, please delete this data file and rerun this tool", ldifFile ); |
| return false; |
| } |
| |
| //MavibotPartitionBuilder<String, Entry> builder = new MavibotPartitionBuilder<String, Entry>( rm, "master", BTree.DEFAULT_PAGE_SIZE, keySerializer, valSerializer ); |
| |
| LdifTupleReaderWriter readerWriter = new LdifTupleReaderWriter( ldifFile, schemaManager ); |
| LdifTupleComparator tupleComparator = new LdifTupleComparator(); |
| |
| BulkDataSorter sorter = new BulkDataSorter( readerWriter, tupleComparator, 10 ); |
| |
| try |
| { |
| sorter.sort( dataFile ); |
| //builder.build( sorter.getMergeSortedTuples() ); |
| return true; |
| } |
| catch( Exception e ) |
| { |
| LOG.warn( "Errors occurred while loading data from the data file {}", ldifFile, e ); |
| } |
| finally |
| { |
| try |
| { |
| rm.close(); |
| } |
| catch( IOException e ) |
| { |
| LOG.warn( "Failed to close the recordmanager", e ); |
| } |
| } |
| |
| return false; |
| } |
| |
| |
| private void initSchema( String dir ) |
| { |
| if( schemaManager != null ) |
| { |
| return; |
| } |
| |
| try |
| { |
| File schemaRepository = new File( dir ); |
| |
| if( !schemaRepository.exists() ) |
| { |
| LOG.warn( "The given schema location {} does not exist", dir ); |
| } |
| |
| SchemaLoader loader = new LdifSchemaLoader( schemaRepository ); |
| schemaManager = new DefaultSchemaManager( loader ); |
| |
| LOG.debug( "Loading all enabled schemas" ); |
| schemaManager.loadAllEnabled(); |
| |
| LOG.debug( "Loading all disabled schemas" ); |
| List<Schema> lstDisabled = schemaManager.getDisabled(); |
| for( Schema s : lstDisabled ) |
| { |
| schemaManager.loadDisabled( s ); |
| } |
| |
| LOG.debug( "Successfully loaded schemas" ); |
| } |
| catch( Exception e ) |
| { |
| schemaManager = null; |
| LOG.warn( e.getMessage(), e ); |
| } |
| } |
| |
| |
| /** |
| * @param schemaManager the schemaManager to set |
| */ |
| public void setSchemaManager( SchemaManager schemaManager ) |
| { |
| this.schemaManager = schemaManager; |
| } |
| |
| public static void main( String[] args ) |
| { |
| |
| } |
| } |