| package org.apache.continuum.buildagent.taskqueue.manager; |
| |
| /* |
| * 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 java.util.List; |
| |
| import javax.annotation.Resource; |
| |
| import org.apache.continuum.taskqueue.BuildProjectTask; |
| import org.apache.continuum.taskqueue.manager.TaskQueueManagerException; |
| 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.TaskQueue; |
| import org.codehaus.plexus.taskqueue.TaskQueueException; |
| import org.codehaus.plexus.taskqueue.execution.TaskQueueExecutor; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.stereotype.Service; |
| |
| @Service("buildAgentTaskQueueManager") |
| public class DefaultBuildAgentTaskQueueManager |
| implements BuildAgentTaskQueueManager, Contextualizable |
| { |
| private Logger log = LoggerFactory.getLogger( this.getClass() ); |
| |
| @Resource |
| private TaskQueue buildAgentBuildQueue; |
| |
| private PlexusContainer container; |
| |
| public void cancelBuild() |
| throws TaskQueueManagerException |
| { |
| removeProjectsFromBuildQueue(); |
| cancelCurrentBuild(); |
| } |
| |
| public TaskQueue getBuildQueue() |
| { |
| return buildAgentBuildQueue; |
| } |
| |
| public int getCurrentProjectInBuilding() |
| throws TaskQueueManagerException |
| { |
| Task task = getBuildTaskQueueExecutor().getCurrentTask(); |
| if ( task != null ) |
| { |
| if ( task instanceof BuildProjectTask ) |
| { |
| return ( (BuildProjectTask) task ).getProjectId(); |
| } |
| } |
| return -1; |
| } |
| |
| private void removeProjectsFromBuildQueue() |
| throws TaskQueueManagerException |
| { |
| try |
| { |
| List<BuildProjectTask> queues = buildAgentBuildQueue.getQueueSnapshot(); |
| |
| if ( queues != null ) |
| { |
| for ( BuildProjectTask task : queues ) |
| { |
| log.info( "remove project '" + task.getProjectName() + "' from build queue" ); |
| buildAgentBuildQueue.remove( task ); |
| } |
| } |
| else |
| { |
| log.info( "no build task in queue" ); |
| } |
| } |
| catch ( TaskQueueException e ) |
| { |
| throw new TaskQueueManagerException( "Error while getting build tasks from queue", e ); |
| } |
| } |
| |
| private boolean cancelCurrentBuild() |
| throws TaskQueueManagerException |
| { |
| Task task = getBuildTaskQueueExecutor().getCurrentTask(); |
| |
| if ( task != null ) |
| { |
| if ( task instanceof BuildProjectTask ) |
| { |
| log.info( "Cancelling current build task" ); |
| return getBuildTaskQueueExecutor().cancelTask( task ); |
| } |
| else |
| { |
| log.warn( "Current task not a BuildProjectTask - not cancelling" ); |
| } |
| } |
| else |
| { |
| log.warn( "No task running - not cancelling" ); |
| } |
| return false; |
| } |
| |
| public TaskQueueExecutor getBuildTaskQueueExecutor() |
| throws TaskQueueManagerException |
| { |
| try |
| { |
| return (TaskQueueExecutor) container.lookup( TaskQueueExecutor.class, "build-agent" ); |
| } |
| catch ( ComponentLookupException e ) |
| { |
| throw new TaskQueueManagerException( e.getMessage(), e ); |
| } |
| } |
| |
| public boolean hasBuildTaskInQueue() |
| throws TaskQueueManagerException |
| { |
| try |
| { |
| if ( getBuildQueue().getQueueSnapshot() != null && getBuildQueue().getQueueSnapshot().size() > 0 ) |
| { |
| return true; |
| } |
| } |
| catch ( TaskQueueException e ) |
| { |
| throw new TaskQueueManagerException( e.getMessage(), e ); |
| } |
| return false; |
| } |
| |
| public void contextualize( Context context ) |
| throws ContextException |
| { |
| container = (PlexusContainer) context.get( PlexusConstants.PLEXUS_KEY ); |
| } |
| } |