source.dussan.org Git - archiva.git/blob

   1 package org.apache.archiva.indexer.merger;
   2 /*
   3  * Licensed to the Apache Software Foundation (ASF) under one
   4  * or more contributor license agreements.  See the NOTICE file
   5  * distributed with this work for additional information
   6  * regarding copyright ownership.  The ASF licenses this file
   7  * to you under the Apache License, Version 2.0 (the
   8  * "License"); you may not use this file except in compliance
   9  * with the License.  You may obtain a copy of the License at
  10  *
  11  *   http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing,
  14  * software distributed under the License is distributed on an
  15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  16  * KIND, either express or implied.  See the License for the
  17  * specific language governing permissions and limitations
  18  * under the License.
  19  */
  20
  21 import com.google.common.io.Files;
  22
  23 import org.apache.archiva.admin.model.managed.ManagedRepositoryAdmin;
  24 import org.apache.archiva.common.plexusbridge.MavenIndexerUtils;
  25 import org.apache.archiva.common.plexusbridge.PlexusSisuBridge;
  26 import org.apache.archiva.common.plexusbridge.PlexusSisuBridgeException;
  27 import org.apache.commons.io.FileUtils;
  28 import org.apache.commons.lang.time.StopWatch;
  29 import org.apache.maven.index.NexusIndexer;
  30 import org.apache.maven.index.context.IndexingContext;
  31 import org.apache.maven.index.context.UnsupportedExistingLuceneIndexException;
  32 import org.apache.maven.index.packer.IndexPacker;
  33 import org.apache.maven.index.packer.IndexPackingRequest;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36 import org.springframework.scheduling.annotation.Async;
  37 import org.springframework.stereotype.Service;
  38
  39 import javax.inject.Inject;
  40 import java.io.File;
  41 import java.io.IOException;
  42 import java.util.Collection;
  43 import java.util.List;
  44 import java.util.concurrent.CopyOnWriteArrayList;
  45
  46 /**
  47  * @author Olivier Lamy
  48  * @since 1.4-M2
  49  */
  50 @Service("indexMerger#default")
  51 public class DefaultIndexMerger
  52     implements IndexMerger
  53 {
  54
  55     private Logger log = LoggerFactory.getLogger( getClass() );
  56
  57     @Inject
  58     private ManagedRepositoryAdmin managedRepositoryAdmin;
  59
  60     private MavenIndexerUtils mavenIndexerUtils;
  61
  62     private NexusIndexer indexer;
  63
  64     private IndexPacker indexPacker;
  65
  66     private List<TemporaryGroupIndex> temporaryGroupIndexes = new CopyOnWriteArrayList<TemporaryGroupIndex>();
  67
  68     private List<String> runningGroups = new CopyOnWriteArrayList<String>();
  69
  70     @Inject
  71     public DefaultIndexMerger( PlexusSisuBridge plexusSisuBridge, MavenIndexerUtils mavenIndexerUtils )
  72         throws PlexusSisuBridgeException
  73     {
  74         this.indexer = plexusSisuBridge.lookup( NexusIndexer.class );
  75         this.mavenIndexerUtils = mavenIndexerUtils;
  76         indexPacker = plexusSisuBridge.lookup( IndexPacker.class, "default" );
  77     }
  78
  79     public IndexingContext buildMergedIndex( IndexMergerRequest indexMergerRequest )
  80         throws IndexMergerException
  81     {
  82         String groupId = indexMergerRequest.getGroupId();
  83
  84         if ( runningGroups.contains( groupId ) )
  85         {
  86             log.info( "skip build merge remote indexes for id: '{}' as already running", groupId );
  87             return null;
  88         }
  89
  90         runningGroups.add( groupId );
  91
  92         StopWatch stopWatch = new StopWatch();
  93         stopWatch.reset();
  94         stopWatch.start();
  95
  96         File mergedIndexDirectory = indexMergerRequest.getMergedIndexDirectory();
  97
  98         String tempRepoId = mergedIndexDirectory.getName();
  99
 100         try
 101         {
 102             File indexLocation = new File( mergedIndexDirectory, indexMergerRequest.getMergedIndexPath() );
 103             IndexingContext indexingContext =
 104                 indexer.addIndexingContext( tempRepoId, tempRepoId, mergedIndexDirectory, indexLocation, null, null,
 105                                             mavenIndexerUtils.getAllIndexCreators() );
 106
 107             for ( String repoId : indexMergerRequest.getRepositoriesIds() )
 108             {
 109                 IndexingContext idxToMerge = indexer.getIndexingContexts().get( repoId );
 110                 if ( idxToMerge != null )
 111                 {
 112                     indexingContext.merge( idxToMerge.getIndexDirectory() );
 113                 }
 114             }
 115
 116             indexingContext.optimize();
 117
 118             if ( indexMergerRequest.isPackIndex() )
 119             {
 120                 IndexPackingRequest request = new IndexPackingRequest( indexingContext, indexLocation );
 121                 indexPacker.packIndex( request );
 122             }
 123             temporaryGroupIndexes.add( new TemporaryGroupIndex( mergedIndexDirectory, tempRepoId, groupId,
 124                                                                 indexMergerRequest.getMergedIndexTtl() ) );
 125             stopWatch.stop();
 126             log.info( "merged index for repos {} in {} s", indexMergerRequest.getRepositoriesIds(),
 127                       stopWatch.getTime() );
 128             return indexingContext;
 129         }
 130         catch ( IOException e )
 131         {
 132             throw new IndexMergerException( e.getMessage(), e );
 133         }
 134         catch ( UnsupportedExistingLuceneIndexException e )
 135         {
 136             throw new IndexMergerException( e.getMessage(), e );
 137         }
 138         finally
 139         {
 140             runningGroups.remove( groupId );
 141         }
 142     }
 143
 144     @Async
 145     public void cleanTemporaryGroupIndex( TemporaryGroupIndex temporaryGroupIndex )
 146     {
 147         if ( temporaryGroupIndex == null )
 148         {
 149             return;
 150         }
 151
 152         try
 153         {
 154             IndexingContext indexingContext = indexer.getIndexingContexts().get( temporaryGroupIndex.getIndexId() );
 155             if ( indexingContext != null )
 156             {
 157                 indexer.removeIndexingContext( indexingContext, true );
 158             }
 159             File directory = temporaryGroupIndex.getDirectory();
 160             if ( directory != null && directory.exists() )
 161             {
 162                 FileUtils.deleteDirectory( directory );
 163             }
 164             temporaryGroupIndexes.remove( temporaryGroupIndex );
 165         }
 166         catch ( IOException e )
 167         {
 168             log.warn( "fail to delete temporary group index {}", temporaryGroupIndex.getIndexId(), e );
 169         }
 170     }
 171
 172     public Collection<TemporaryGroupIndex> getTemporaryGroupIndexes()
 173     {
 174         return this.temporaryGroupIndexes;
 175     }
 176 }