package org.apache.continuum.purge.task;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import org.apache.continuum.model.repository.AbstractPurgeConfiguration;
import org.apache.continuum.model.repository.DirectoryPurgeConfiguration;
import org.apache.continuum.model.repository.DistributedDirectoryPurgeConfiguration;
import org.apache.continuum.model.repository.LocalRepository;
import org.apache.continuum.model.repository.RepositoryPurgeConfiguration;
import org.apache.continuum.purge.PurgeConfigurationService;
import org.apache.continuum.purge.controller.PurgeController;
import org.apache.continuum.purge.executor.ContinuumPurgeExecutorException;
import org.apache.continuum.purge.repository.scanner.RepositoryScanner;
import org.codehaus.plexus.PlexusConstants;
import org.codehaus.plexus.PlexusContainer;
import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
import org.codehaus.plexus.context.Context;
import org.codehaus.plexus.context.ContextException;
import org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable;
import org.codehaus.plexus.taskqueue.Task;
import org.codehaus.plexus.taskqueue.execution.TaskExecutionException;
import org.codehaus.plexus.taskqueue.execution.TaskExecutor;
/**
* @author Maria Catherine Tan
*/
public class PurgeTaskExecutor
implements TaskExecutor, Contextualizable
{
/**
* @plexus.requirement
*/
private PurgeConfigurationService purgeConfigurationService;
/**
* @plexus.requirement
*/
private RepositoryScanner scanner;
private PlexusContainer container;
public void executeTask( Task task )
throws TaskExecutionException
{
PurgeTask purgeTask = (PurgeTask) task;
AbstractPurgeConfiguration purgeConfig = purgeConfigurationService.getPurgeConfiguration(
purgeTask.getPurgeConfigurationId() );
try
{
if ( purgeConfig != null && purgeConfig instanceof RepositoryPurgeConfiguration )
{
RepositoryPurgeConfiguration repoPurge = (RepositoryPurgeConfiguration) purgeConfig;
LocalRepository repository = repoPurge.getRepository();
if ( repository == null )
{
throw new TaskExecutionException(
"Error while executing purge repository task: no repository set" );
}
PurgeController purgeController = (PurgeController) container.lookup( PurgeController.ROLE,
"purge-repository" );
purgeController.initializeExecutors( repoPurge );
if ( repoPurge.isDeleteAll() )
{
purgeController.doPurge( repoPurge );
}
else
{
scanner.scan( repository, purgeController );
}
}
else if ( purgeConfig != null && purgeConfig instanceof DirectoryPurgeConfiguration )
{
DirectoryPurgeConfiguration dirPurge = (DirectoryPurgeConfiguration) purgeConfig;
PurgeController purgeController = (PurgeController) container.lookup( PurgeController.ROLE,
"purge-directory" );
purgeController.initializeExecutors( dirPurge );
purgeController.doPurge( dirPurge.getLocation() );
}
else if ( purgeConfig instanceof DistributedDirectoryPurgeConfiguration )
{
DistributedDirectoryPurgeConfiguration dirPurge = (DistributedDirectoryPurgeConfiguration) purgeConfig;
PurgeController purgeController = (PurgeController) container.lookup( PurgeController.ROLE,
"purge-distributed-directory" );
purgeController.initializeExecutors( dirPurge );
purgeController.doPurge( dirPurge );
}
}
catch ( ComponentLookupException e )
{
throw new TaskExecutionException( "Error while executing purge task", e );
}
catch ( ContinuumPurgeExecutorException e )
{
throw new TaskExecutionException( "Error while executing purge task", e );
}
}
public void contextualize( Context context )
throws ContextException
{
container = (PlexusContainer) context.get( PlexusConstants.PLEXUS_KEY );
}
}