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