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- package org.apache.archiva.indexer.maven.merger;
- /*
- * 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.
- */
-
- import org.apache.archiva.common.utils.FileUtils;
- import org.apache.archiva.indexer.UnsupportedBaseContextException;
- import org.apache.archiva.indexer.merger.IndexMerger;
- import org.apache.archiva.indexer.merger.IndexMergerException;
- import org.apache.archiva.indexer.merger.IndexMergerRequest;
- import org.apache.archiva.indexer.merger.TemporaryGroupIndex;
- import org.apache.archiva.repository.RepositoryRegistry;
- import org.apache.archiva.repository.RepositoryType;
- import org.apache.commons.lang.time.StopWatch;
- import org.apache.maven.index.Indexer;
- import org.apache.maven.index.context.ContextMemberProvider;
- import org.apache.maven.index.context.IndexCreator;
- import org.apache.maven.index.context.IndexingContext;
- import org.apache.maven.index.context.StaticContextMemberProvider;
- import org.apache.maven.index.packer.IndexPacker;
- import org.apache.maven.index.packer.IndexPackingRequest;
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
- import org.springframework.scheduling.annotation.Async;
- import org.springframework.stereotype.Service;
-
- import javax.inject.Inject;
- import java.io.IOException;
- import java.nio.file.Files;
- import java.nio.file.Path;
- import java.util.Collection;
- import java.util.List;
- import java.util.Objects;
- import java.util.Optional;
- import java.util.concurrent.CopyOnWriteArrayList;
- import java.util.stream.Collectors;
-
- /**
- * @author Olivier Lamy
- * @since 1.4-M2
- */
- @Service("indexMerger#default")
- public class DefaultIndexMerger
- implements IndexMerger
- {
-
- @Inject
- RepositoryRegistry repositoryRegistry;
-
- private Logger log = LoggerFactory.getLogger( getClass() );
-
-
- private final IndexPacker indexPacker;
-
- private Indexer indexer;
-
- private final List<IndexCreator> indexCreators;
-
- private List<TemporaryGroupIndex> temporaryGroupIndexes = new CopyOnWriteArrayList<>();
-
- private List<IndexingContext> temporaryContextes = new CopyOnWriteArrayList<>( );
-
- private List<String> runningGroups = new CopyOnWriteArrayList<>();
-
- @Inject
- public DefaultIndexMerger( Indexer indexer, IndexPacker indexPacker, List<IndexCreator> indexCreators )
- {
- this.indexer = indexer;
- this.indexPacker = indexPacker;
- this.indexCreators = indexCreators;
- }
-
- @Override
- public IndexingContext buildMergedIndex( IndexMergerRequest indexMergerRequest )
- throws IndexMergerException
- {
- String groupId = indexMergerRequest.getGroupId();
-
- if ( runningGroups.contains( groupId ) )
- {
- log.info( "skip build merge remote indexes for id: '{}' as already running", groupId );
- return null;
- }
-
- runningGroups.add( groupId );
-
- StopWatch stopWatch = new StopWatch();
- stopWatch.reset();
- stopWatch.start();
-
- Path mergedIndexDirectory = indexMergerRequest.getMergedIndexDirectory();
-
- String tempRepoId = mergedIndexDirectory.getFileName().toString();
-
- try
- {
- Path indexLocation = mergedIndexDirectory.resolve( indexMergerRequest.getMergedIndexPath() );
-
- List<IndexingContext> members = indexMergerRequest.getRepositoriesIds( ).stream( ).map( id ->
- repositoryRegistry.getRepository( id ) ).filter( repo -> repo.getType().equals( RepositoryType.MAVEN ) )
- .map( repo -> {
- try
- {
- return repo.getIndexingContext().getBaseContext( IndexingContext.class );
- }
- catch ( UnsupportedBaseContextException e )
- {
- return null;
- // Ignore
- }
- } ).filter( Objects::nonNull ).collect( Collectors.toList() );
- ContextMemberProvider memberProvider = new StaticContextMemberProvider(members);
- IndexingContext mergedCtx = indexer.createMergedIndexingContext( tempRepoId, tempRepoId, mergedIndexDirectory.toFile(),
- indexLocation.toFile(), true, memberProvider);
- mergedCtx.optimize();
-
- if ( indexMergerRequest.isPackIndex() )
- {
- IndexPackingRequest request = new IndexPackingRequest( mergedCtx, //
- mergedCtx.acquireIndexSearcher().getIndexReader(), //
- indexLocation.toFile() );
- indexPacker.packIndex( request );
- }
-
- if ( indexMergerRequest.isTemporary() )
- {
- temporaryGroupIndexes.add( new TemporaryGroupIndex( mergedIndexDirectory, tempRepoId, groupId,
- indexMergerRequest.getMergedIndexTtl() ) );
- temporaryContextes.add(mergedCtx);
- }
- stopWatch.stop();
- log.info( "merged index for repos {} in {} s", indexMergerRequest.getRepositoriesIds(),
- stopWatch.getTime() );
- return mergedCtx;
- }
- catch ( IOException e)
- {
- throw new IndexMergerException( e.getMessage(), e );
- }
- finally
- {
- runningGroups.remove( groupId );
- }
- }
-
- @Async
- @Override
- public void cleanTemporaryGroupIndex( TemporaryGroupIndex temporaryGroupIndex )
- {
- if ( temporaryGroupIndex == null )
- {
- return;
- }
-
- try
- {
-
- Optional<IndexingContext> ctxOpt = temporaryContextes.stream( ).filter( ctx -> ctx.getId( ).equals( temporaryGroupIndex.getIndexId( ) ) ).findFirst( );
- if (ctxOpt.isPresent()) {
- IndexingContext ctx = ctxOpt.get();
- indexer.closeIndexingContext( ctx, true );
- temporaryGroupIndexes.remove( temporaryGroupIndex );
- temporaryContextes.remove( ctx );
- Path directory = temporaryGroupIndex.getDirectory();
- if ( directory != null && Files.exists(directory) )
- {
- FileUtils.deleteDirectory( directory );
- }
- }
- }
- catch ( IOException e )
- {
- log.warn( "fail to delete temporary group index {}", temporaryGroupIndex.getIndexId(), e );
- }
- }
-
- @Override
- public Collection<TemporaryGroupIndex> getTemporaryGroupIndexes()
- {
- return this.temporaryGroupIndexes;
- }
- }
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