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

   1 package org.apache.archiva.scheduler.repository;
   2
   3 /*
   4  * Licensed to the Apache Software Foundation (ASF) under one
   5  * or more contributor license agreements.  See the NOTICE file
   6  * distributed with this work for additional information
   7  * regarding copyright ownership.  The ASF licenses this file
   8  * to you under the Apache License, Version 2.0 (the
   9  * "License"); you may not use this file except in compliance
  10  * with the License.  You may obtain a copy of the License at
  11  *
  12  *   http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing,
  15  * software distributed under the License is distributed on an
  16  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  17  * KIND, either express or implied.  See the License for the
  18  * specific language governing permissions and limitations
  19  * under the License.
  20  */
  21
  22 import org.apache.archiva.metadata.repository.MetadataRepositoryException;
  23 import org.apache.archiva.metadata.repository.stats.RepositoryStatistics;
  24 import org.apache.archiva.metadata.repository.stats.RepositoryStatisticsManager;
  25 import org.apache.archiva.repository.scanner.RepositoryContentConsumers;
  26 import org.apache.archiva.repository.scanner.RepositoryScanStatistics;
  27 import org.apache.archiva.repository.scanner.RepositoryScanner;
  28 import org.apache.archiva.repository.scanner.RepositoryScannerException;
  29 import org.apache.commons.lang.StringUtils;
  30 import org.apache.maven.archiva.configuration.ArchivaConfiguration;
  31 import org.apache.maven.archiva.configuration.ManagedRepositoryConfiguration;
  32 import org.codehaus.plexus.personality.plexus.lifecycle.phase.Initializable;
  33 import org.codehaus.plexus.personality.plexus.lifecycle.phase.InitializationException;
  34 import org.codehaus.plexus.taskqueue.Task;
  35 import org.codehaus.plexus.taskqueue.execution.TaskExecutionException;
  36 import org.codehaus.plexus.taskqueue.execution.TaskExecutor;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39
  40 import java.util.Date;
  41
  42 /**
  43  * ArchivaRepositoryScanningTaskExecutor
  44  *
  45  * @version $Id$
  46  * @plexus.component role="org.codehaus.plexus.taskqueue.execution.TaskExecutor"
  47  * role-hint="repository-scanning"
  48  */
  49 public class ArchivaRepositoryScanningTaskExecutor
  50     implements TaskExecutor, Initializable
  51 {
  52     private Logger log = LoggerFactory.getLogger( ArchivaRepositoryScanningTaskExecutor.class );
  53
  54     /**
  55      * @plexus.requirement
  56      */
  57     private ArchivaConfiguration archivaConfiguration;
  58
  59     /**
  60      * The repository scanner component.
  61      *
  62      * @plexus.requirement
  63      */
  64     private RepositoryScanner repoScanner;
  65
  66     /**
  67      * @plexus.requirement
  68      */
  69     private RepositoryContentConsumers consumers;
  70
  71     private Task task;
  72
  73     /**
  74      * @plexus.requirement
  75      */
  76     private RepositoryStatisticsManager repositoryStatisticsManager;
  77
  78     public void initialize()
  79         throws InitializationException
  80     {
  81         log.info( "Initialized " + this.getClass().getName() );
  82     }
  83
  84     @SuppressWarnings( "unchecked" )
  85     public void executeTask( Task task )
  86         throws TaskExecutionException
  87     {
  88
  89         // TODO: replace this whole class with the prescribed content scanning service/action
  90         // - scan repository for artifacts that do not have corresponding metadata or have been updated and
  91         // send events for each
  92         // - scan metadata for artifacts that have been removed and send events for each
  93         // - scan metadata for missing plugin data
  94         // - store information so that it can restart upon failure (publish event on the server recovery
  95         // queue, remove it on successful completion)
  96
  97         this.task = task;
  98
  99         RepositoryTask repoTask = (RepositoryTask) task;
 100
 101         String repoId = repoTask.getRepositoryId();
 102         if ( StringUtils.isBlank( repoId ) )
 103         {
 104             throw new TaskExecutionException( "Unable to execute RepositoryTask with blank repository Id." );
 105         }
 106
 107         ManagedRepositoryConfiguration arepo = archivaConfiguration.getConfiguration().findManagedRepositoryById(
 108             repoId );
 109
 110         // execute consumers on resource file if set
 111         if ( repoTask.getResourceFile() != null )
 112         {
 113             log.debug( "Executing task from queue with job name: " + repoTask );
 114             consumers.executeConsumers( arepo, repoTask.getResourceFile(), repoTask.isUpdateRelatedArtifacts() );
 115         }
 116         else
 117         {
 118             log.info( "Executing task from queue with job name: " + repoTask );
 119
 120             // otherwise, execute consumers on whole repository
 121             if ( arepo == null )
 122             {
 123                 throw new TaskExecutionException(
 124                     "Unable to execute RepositoryTask with invalid repository id: " + repoId );
 125             }
 126
 127             long sinceWhen = RepositoryScanner.FRESH_SCAN;
 128             long previousFileCount = 0;
 129
 130             if ( !repoTask.isScanAll() )
 131             {
 132                 RepositoryStatistics previousStats;
 133                 try
 134                 {
 135                     previousStats = repositoryStatisticsManager.getLastStatistics( repoId );
 136                 }
 137                 catch ( MetadataRepositoryException e )
 138                 {
 139                     throw new TaskExecutionException( "Unable to get previous statistics: " + e.getMessage(), e );
 140                 }
 141                 if ( previousStats != null )
 142                 {
 143                     sinceWhen = previousStats.getScanStartTime().getTime();
 144                     previousFileCount = previousStats.getTotalFileCount();
 145                 }
 146             }
 147
 148             RepositoryScanStatistics stats;
 149             try
 150             {
 151                 stats = repoScanner.scan( arepo, sinceWhen );
 152             }
 153             catch ( RepositoryScannerException e )
 154             {
 155                 throw new TaskExecutionException( "Repository error when executing repository job.", e );
 156             }
 157
 158             log.info( "Finished first scan: " + stats.toDump( arepo ) );
 159
 160             // further statistics will be populated by the following method
 161             Date endTime = new Date( stats.getWhenGathered().getTime() + stats.getDuration() );
 162             try
 163             {
 164                 repositoryStatisticsManager.addStatisticsAfterScan( repoId, stats.getWhenGathered(), endTime,
 165                                                                     stats.getTotalFileCount(),
 166                                                                     stats.getTotalFileCount() - previousFileCount );
 167             }
 168             catch ( MetadataRepositoryException e )
 169             {
 170                 throw new TaskExecutionException( "Unable to store updated statistics: " + e.getMessage(), e );
 171             }
 172
 173 //                log.info( "Scanning for removed repository content" );
 174
 175 //                metadataRepository.findAllProjects();
 176             // FIXME: do something
 177
 178             log.info( "Finished repository task: " + repoTask );
 179
 180             this.task = null;
 181         }
 182     }
 183
 184     public Task getCurrentTaskInExecution()
 185     {
 186         return task;
 187     }
 188 }