package org.apache.maven.continuum.core.action;
   
   /*
    * 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.ArrayList;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.continuum.buildmanager.BuildsManager;
  import org.apache.continuum.dao.ProjectDao;
  import org.apache.maven.continuum.execution.ContinuumBuildExecutor;
  import org.apache.maven.continuum.execution.manager.BuildExecutorManager;
  import org.apache.maven.continuum.model.project.BuildDefinition;
  import org.apache.maven.continuum.model.project.Project;
  import org.apache.maven.continuum.model.scm.ScmResult;
  import org.apache.maven.continuum.project.ContinuumProjectState;
  import org.apache.maven.continuum.store.ContinuumStoreException;
  
  /**
   * @author <a href="mailto:ctan@apache.org">Maria Catherine Tan</a>
   * @version $Id: CreateBuildProjectTaskAction.java 788260 2009-06-25 05:02:07Z evenisse $
   * @plexus.component role="org.codehaus.plexus.action.Action" role-hint="create-build-project-task"
   */
  public class CreateBuildProjectTaskAction
      extends AbstractContinuumAction
  {
      /**
       * @plexus.requirement
       */
      private BuildExecutorManager executorManager;
  
      /**
       * @plexus.requirement
       */
      private ProjectDao projectDao;
  
      /**
       * @plexus.requirement role-hint="parallel"
       */
      private BuildsManager parallelBuildsManager;
  
      public synchronized void execute( Map context )
          throws Exception
      {
          List<Project> projects = AbstractContinuumAction.getListOfProjects( context );
          Map<Integer, BuildDefinition> projectsBuildDefinitionsMap =
              AbstractContinuumAction.getProjectsBuildDefinitionsMap( context );
          Map<Integer, ScmResult> scmResultMap = AbstractContinuumAction.getScmResultMap( context );
          List<Project> projectsToBeBuilt = new ArrayList<Project>();
          int trigger = AbstractContinuumAction.getTrigger( context );
          int projectGroupId = AbstractContinuumAction.getProjectGroupId( context );
  
          // update state of each project first
          for ( Project project : projects )
          {
              BuildDefinition buildDefinition = projectsBuildDefinitionsMap.get( project.getId() );
  
              if ( parallelBuildsManager.isInAnyBuildQueue( project.getId(), buildDefinition.getId() ) )
              {
                  return;
              }
  
              if ( parallelBuildsManager.isInAnyCheckoutQueue( project.getId() ) )
              {
                  parallelBuildsManager.removeProjectFromCheckoutQueue( project.getId() );
              }
  
              try
              {
                  if ( project.getState() != ContinuumProjectState.NEW &&
                      project.getState() != ContinuumProjectState.CHECKEDOUT &&
                      project.getState() != ContinuumProjectState.OK &&
                      project.getState() != ContinuumProjectState.FAILED &&
                      project.getState() != ContinuumProjectState.ERROR )
                  {
                      ContinuumBuildExecutor executor = executorManager.getBuildExecutor( project.getExecutorId() );
  
                      if ( executor.isBuilding( project ) || project.getState() == ContinuumProjectState.UPDATING )
                      {
                          // project is building
                          getLogger().info( "Project '" + project.getName() + "' already being built." );
  
                         continue;
                     }
                     else
                     {
                         project.setState( ContinuumProjectState.ERROR );
                     }
                 }
                 project.setOldState( project.getState() );
 
                 projectDao.updateProject( project );
 
                 project = projectDao.getProject( project.getId() );
 
                 projectsToBeBuilt.add( project );
             }
             catch ( ContinuumStoreException e )
             {
                 getLogger().error( "Error while creating build object", e );
                 //throw new ContinuumException( "Error while creating build object.", e );
             }
         }
 
         parallelBuildsManager.buildProjects( projectsToBeBuilt, projectsBuildDefinitionsMap, trigger, scmResultMap,
                                              projectGroupId );
     }
 }