1 package org.apache.archiva.indexer.merger;
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21 import com.google.common.io.Files;
22 import org.apache.archiva.admin.model.managed.ManagedRepositoryAdmin;
23 import org.apache.archiva.common.plexusbridge.MavenIndexerUtils;
24 import org.apache.archiva.common.plexusbridge.PlexusSisuBridge;
25 import org.apache.archiva.common.plexusbridge.PlexusSisuBridgeException;
26 import org.apache.commons.io.FileUtils;
27 import org.apache.commons.lang.time.StopWatch;
28 import org.apache.maven.index.NexusIndexer;
29 import org.apache.maven.index.context.IndexingContext;
30 import org.apache.maven.index.context.UnsupportedExistingLuceneIndexException;
31 import org.apache.maven.index.packer.IndexPacker;
32 import org.apache.maven.index.packer.IndexPackingRequest;
33 import org.slf4j.Logger;
34 import org.slf4j.LoggerFactory;
35 import org.springframework.scheduling.annotation.Async;
36 import org.springframework.stereotype.Service;
38 import javax.annotation.PostConstruct;
39 import javax.inject.Inject;
41 import java.io.IOException;
42 import java.util.Collection;
43 import java.util.List;
44 import java.util.concurrent.CopyOnWriteArrayList;
47 * @author Olivier Lamy
50 @Service("indexMerger#default")
51 public class DefaultIndexMerger
52 implements IndexMerger
56 * default tmp created group index ttl in minutes
58 static final int DEFAULT_GROUP_INDEX_TTL = 30;
60 private Logger log = LoggerFactory.getLogger( getClass() );
63 private ManagedRepositoryAdmin managedRepositoryAdmin;
65 private MavenIndexerUtils mavenIndexerUtils;
67 private NexusIndexer indexer;
69 private IndexPacker indexPacker;
71 private List<TemporaryGroupIndex> temporaryGroupIndexes = new CopyOnWriteArrayList<TemporaryGroupIndex>();
73 private int groupMergedIndexTtl;
76 public DefaultIndexMerger( PlexusSisuBridge plexusSisuBridge, MavenIndexerUtils mavenIndexerUtils )
77 throws PlexusSisuBridgeException
79 this.indexer = plexusSisuBridge.lookup( NexusIndexer.class );
80 this.mavenIndexerUtils = mavenIndexerUtils;
81 indexPacker = plexusSisuBridge.lookup( IndexPacker.class, "default" );
85 public void intialize()
87 this.groupMergedIndexTtl = Integer.getInteger( IndexMerger.TMP_GROUP_INDEX_SYS_KEY, DEFAULT_GROUP_INDEX_TTL );
90 public IndexingContext buildMergedIndex( IndexMergerRequest indexMergerRequest )
91 throws IndexMergerException
93 StopWatch stopWatch = new StopWatch();
96 File tempRepoFile = Files.createTempDir();
97 tempRepoFile.deleteOnExit();
99 String tempRepoId = tempRepoFile.getName();
103 File indexLocation = new File( tempRepoFile, indexMergerRequest.getMergedIndexPath() );
104 IndexingContext indexingContext =
105 indexer.addIndexingContext( tempRepoId, tempRepoId, tempRepoFile, indexLocation, null, null,
106 mavenIndexerUtils.getAllIndexCreators() );
108 for ( String repoId : indexMergerRequest.getRepositoriesIds() )
110 IndexingContext idxToMerge = indexer.getIndexingContexts().get( repoId );
111 if ( idxToMerge != null )
113 indexingContext.merge( idxToMerge.getIndexDirectory() );
117 indexingContext.optimize();
119 if ( indexMergerRequest.isPackIndex() )
121 IndexPackingRequest request = new IndexPackingRequest( indexingContext, indexLocation );
122 indexPacker.packIndex( request );
124 temporaryGroupIndexes.add(
125 new TemporaryGroupIndex( tempRepoFile, tempRepoId, indexMergerRequest.getGroupId() ) );
127 log.info( "merged index for repos {} in {} s", indexMergerRequest.getRepositoriesIds(),
128 stopWatch.getTime() );
129 return indexingContext;
131 catch ( IOException e )
133 throw new IndexMergerException( e.getMessage(), e );
135 catch ( UnsupportedExistingLuceneIndexException e )
137 throw new IndexMergerException( e.getMessage(), e );
142 public void cleanTemporaryGroupIndex( TemporaryGroupIndex temporaryGroupIndex )
144 if ( temporaryGroupIndex == null )
151 IndexingContext indexingContext = indexer.getIndexingContexts().get( temporaryGroupIndex.getIndexId() );
152 if ( indexingContext != null )
154 indexer.removeIndexingContext( indexingContext, true );
156 File directory = temporaryGroupIndex.getDirectory();
157 if ( directory != null && directory.exists() )
159 FileUtils.deleteDirectory( directory );
161 temporaryGroupIndexes.remove( temporaryGroupIndex );
163 catch ( IOException e )
165 log.warn( "fail to delete temporary group index {}", temporaryGroupIndex.getIndexId(), e );
169 public Collection<TemporaryGroupIndex> getTemporaryGroupIndexes()
171 return this.temporaryGroupIndexes;
174 public int getGroupMergedIndexTtl()
176 return this.groupMergedIndexTtl;