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 org.apache.archiva.common.plexusbridge.MavenIndexerUtils;
  22 import org.apache.archiva.common.plexusbridge.PlexusSisuBridge;
  23 import org.apache.archiva.common.plexusbridge.PlexusSisuBridgeException;
  24 import org.apache.commons.io.FileUtils;
  25 import org.apache.commons.lang.time.StopWatch;
  26 import org.apache.maven.index.NexusIndexer;
  27 import org.apache.maven.index.context.IndexingContext;
  28 import org.apache.maven.index.context.UnsupportedExistingLuceneIndexException;
  29 import org.apache.maven.index.packer.IndexPacker;
  30 import org.apache.maven.index.packer.IndexPackingRequest;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33 import org.springframework.scheduling.annotation.Async;
  34 import org.springframework.stereotype.Service;
  35
  36 import javax.inject.Inject;
  37 import java.io.File;
  38 import java.io.IOException;
  39 import java.util.Collection;
  40 import java.util.List;
  41 import java.util.concurrent.CopyOnWriteArrayList;
  42
  43 /**
  44  * @author Olivier Lamy
  45  * @since 1.4-M2
  46  */
  47 @Service("indexMerger#default")
  48 public class DefaultIndexMerger
  49     implements IndexMerger
  50 {
  51
  52     private Logger log = LoggerFactory.getLogger( getClass() );
  53
  54     private MavenIndexerUtils mavenIndexerUtils;
  55
  56     private NexusIndexer indexer;
  57
  58     private IndexPacker indexPacker;
  59
  60     private List<TemporaryGroupIndex> temporaryGroupIndexes = new CopyOnWriteArrayList<>();
  61
  62     private List<String> runningGroups = new CopyOnWriteArrayList<String>();
  63
  64     @Inject
  65     public DefaultIndexMerger( PlexusSisuBridge plexusSisuBridge, MavenIndexerUtils mavenIndexerUtils )
  66         throws PlexusSisuBridgeException
  67     {
  68         this.indexer = plexusSisuBridge.lookup( NexusIndexer.class );
  69         this.mavenIndexerUtils = mavenIndexerUtils;
  70         indexPacker = plexusSisuBridge.lookup( IndexPacker.class, "default" );
  71     }
  72
  73     @Override
  74     public IndexingContext buildMergedIndex( IndexMergerRequest indexMergerRequest )
  75         throws IndexMergerException
  76     {
  77         String groupId = indexMergerRequest.getGroupId();
  78
  79         if ( runningGroups.contains( groupId ) )
  80         {
  81             log.info( "skip build merge remote indexes for id: '{}' as already running", groupId );
  82             return null;
  83         }
  84
  85         runningGroups.add( groupId );
  86
  87         StopWatch stopWatch = new StopWatch();
  88         stopWatch.reset();
  89         stopWatch.start();
  90
  91         File mergedIndexDirectory = indexMergerRequest.getMergedIndexDirectory();
  92
  93         String tempRepoId = mergedIndexDirectory.getName();
  94
  95         try
  96         {
  97             File indexLocation = new File( mergedIndexDirectory, indexMergerRequest.getMergedIndexPath() );
  98             IndexingContext indexingContext =
  99                 indexer.addIndexingContext( tempRepoId, tempRepoId, mergedIndexDirectory, indexLocation, null, null,
 100                                             mavenIndexerUtils.getAllIndexCreators() );
 101
 102             for ( String repoId : indexMergerRequest.getRepositoriesIds() )
 103             {
 104                 IndexingContext idxToMerge = indexer.getIndexingContexts().get( repoId );
 105                 if ( idxToMerge != null )
 106                 {
 107                     indexingContext.merge( idxToMerge.getIndexDirectory() );
 108                 }
 109             }
 110
 111             indexingContext.optimize();
 112
 113             if ( indexMergerRequest.isPackIndex() )
 114             {
 115                 IndexPackingRequest request = new IndexPackingRequest( indexingContext, indexLocation );
 116                 indexPacker.packIndex( request );
 117             }
 118
 119             if ( indexMergerRequest.isTemporary() )
 120             {
 121                 temporaryGroupIndexes.add( new TemporaryGroupIndex( mergedIndexDirectory, tempRepoId, groupId,
 122                                                                     indexMergerRequest.getMergedIndexTtl() ) );
 123             }
 124             stopWatch.stop();
 125             log.info( "merged index for repos {} in {} s", indexMergerRequest.getRepositoriesIds(),
 126                       stopWatch.getTime() );
 127             return indexingContext;
 128         }
 129         catch ( IOException e )
 130         {
 131             throw new IndexMergerException( e.getMessage(), e );
 132         }
 133         catch ( UnsupportedExistingLuceneIndexException e )
 134         {
 135             throw new IndexMergerException( e.getMessage(), e );
 136         }
 137         finally
 138         {
 139             runningGroups.remove( groupId );
 140         }
 141     }
 142
 143     @Async
 144     @Override
 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     @Override
 173     public Collection<TemporaryGroupIndex> getTemporaryGroupIndexes()
 174     {
 175         return this.temporaryGroupIndexes;
 176     }
 177 }