1 package org.apache.maven.lifecycle.internal;
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22 import org.apache.maven.execution.MavenSession;
23 import org.apache.maven.lifecycle.internal.builder.BuilderCommon;
24 import org.apache.maven.project.MavenProject;
25 import org.codehaus.plexus.component.annotations.Component;
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27 import java.util.ArrayList;
28 import java.util.Collections;
29 import java.util.List;
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36 @Component( role = BuildListCalculator.class )
37 public class BuildListCalculator
38 {
39 public ProjectBuildList calculateProjectBuilds( MavenSession session, List<TaskSegment> taskSegments )
40 {
41 List<ProjectSegment> projectBuilds = new ArrayList<ProjectSegment>();
42
43 MavenProject rootProject = session.getTopLevelProject();
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45 for ( TaskSegment taskSegment : taskSegments )
46 {
47 List<MavenProject> projects;
48
49 if ( taskSegment.isAggregating() )
50 {
51 projects = Collections.singletonList( rootProject );
52 }
53 else
54 {
55 projects = session.getProjects();
56 }
57 for ( MavenProject project : projects )
58 {
59 BuilderCommon.attachToThread( project );
60 MavenSession copiedSession = session.clone();
61 copiedSession.setCurrentProject( project );
62 projectBuilds.add( new ProjectSegment( project, taskSegment, copiedSession ) );
63 }
64 }
65 return new ProjectBuildList( projectBuilds );
66 }
67 }