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.utils.FileUtils;
  22 import org.apache.archiva.indexer.ArchivaIndexManager;
  23 import org.apache.archiva.indexer.ArchivaIndexingContext;
  24 import org.apache.archiva.indexer.IndexCreationFailedException;
  25 import org.apache.archiva.indexer.merger.IndexMerger;
  26 import org.apache.archiva.indexer.merger.IndexMergerException;
  27 import org.apache.archiva.indexer.merger.IndexMergerRequest;
  28 import org.apache.archiva.indexer.merger.TemporaryGroupIndex;
  29 import org.apache.archiva.repository.Repository;
  30 import org.apache.archiva.repository.RepositoryRegistry;
  31 import org.apache.commons.lang.time.StopWatch;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34 import org.springframework.scheduling.annotation.Async;
  35 import org.springframework.stereotype.Service;
  36
  37 import javax.inject.Inject;
  38 import java.io.IOException;
  39 import java.nio.file.Files;
  40 import java.nio.file.Path;
  41 import java.util.Collection;
  42 import java.util.List;
  43 import java.util.Optional;
  44 import java.util.concurrent.CopyOnWriteArrayList;
  45 import java.util.stream.Collectors;
  46
  47 /**
  48  * @author Olivier Lamy
  49  * @since 1.4-M2
  50  */
  51 @Service("indexMerger#default")
  52 public class DefaultIndexMerger
  53     implements IndexMerger
  54 {
  55
  56     @Inject
  57     RepositoryRegistry repositoryRegistry;
  58
  59     private Logger log = LoggerFactory.getLogger( getClass() );
  60
  61     private List<TemporaryGroupIndex> temporaryGroupIndexes = new CopyOnWriteArrayList<>();
  62
  63     private List<ArchivaIndexingContext>  temporaryContextes = new CopyOnWriteArrayList<>(  );
  64
  65     private List<String> runningGroups = new CopyOnWriteArrayList<>();
  66
  67     @Inject
  68     public DefaultIndexMerger( )
  69     {
  70     }
  71
  72     @Override
  73     public ArchivaIndexingContext buildMergedIndex(IndexMergerRequest indexMergerRequest )
  74         throws IndexMergerException
  75     {
  76         String groupId = indexMergerRequest.getGroupId();
  77
  78         if ( runningGroups.contains( groupId ) )
  79         {
  80             log.info( "skip build merge remote indexes for id: '{}' as already running", groupId );
  81             return null;
  82         }
  83
  84         runningGroups.add( groupId );
  85         StopWatch stopWatch = new StopWatch();
  86         try {
  87             stopWatch.reset();
  88             stopWatch.start();
  89
  90             Path mergedIndexDirectory = indexMergerRequest.getMergedIndexDirectory();
  91             Repository destinationRepository = repositoryRegistry.getRepository(indexMergerRequest.getGroupId());
  92
  93             ArchivaIndexManager idxManager = repositoryRegistry.getIndexManager(destinationRepository.getType());
  94             List<ArchivaIndexingContext> sourceContexts = indexMergerRequest.getRepositoriesIds().stream().map(id -> repositoryRegistry.getRepository(id).getIndexingContext()).collect(Collectors.toList());
  95             try {
  96                 ArchivaIndexingContext result = idxManager.mergeContexts(destinationRepository, sourceContexts, indexMergerRequest.isPackIndex());
  97                 if ( indexMergerRequest.isTemporary() )
  98                 {
  99                     String tempRepoId = destinationRepository.getId()+System.currentTimeMillis();
 100                     temporaryGroupIndexes.add( new TemporaryGroupIndex( mergedIndexDirectory, tempRepoId, groupId,
 101                             indexMergerRequest.getMergedIndexTtl() ) );
 102                     temporaryContextes.add(result);
 103                 }
 104                 return result;
 105             } catch (IndexCreationFailedException e) {
 106                 throw new IndexMergerException("Index merging failed " + e.getMessage(), e);
 107             }
 108
 109         } finally {
 110             stopWatch.stop();
 111             log.info( "merged index for repos {} in {} s", indexMergerRequest.getRepositoriesIds(),
 112                     stopWatch.getTime() );
 113             runningGroups.remove(groupId);
 114         }
 115     }
 116
 117     @Async
 118     @Override
 119     public void cleanTemporaryGroupIndex( TemporaryGroupIndex temporaryGroupIndex )
 120     {
 121         if ( temporaryGroupIndex == null )
 122         {
 123             return;
 124         }
 125
 126         try
 127         {
 128             Optional<ArchivaIndexingContext> ctxOpt = temporaryContextes.stream( ).filter( ctx -> ctx.getId( ).equals( temporaryGroupIndex.getIndexId( ) ) ).findFirst( );
 129             if (ctxOpt.isPresent()) {
 130                 ArchivaIndexingContext ctx = ctxOpt.get();
 131                 ctx.close(true);
 132                 temporaryGroupIndexes.remove( temporaryGroupIndex );
 133                 temporaryContextes.remove( ctx );
 134                 Path directory = temporaryGroupIndex.getDirectory();
 135                 if ( directory != null && Files.exists(directory) )
 136                 {
 137                     FileUtils.deleteDirectory( directory );
 138                 }
 139             }
 140         }
 141         catch ( IOException e )
 142         {
 143             log.warn( "fail to delete temporary group index {}", temporaryGroupIndex.getIndexId(), e );
 144         }
 145     }
 146
 147     @Override
 148     public Collection<TemporaryGroupIndex> getTemporaryGroupIndexes()
 149     {
 150         return this.temporaryGroupIndexes;
 151     }
 152 }