* specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.execution;

import java.time.Duration;

import org.apache.maven.project.MavenProject;

/**
 * Summarizes the result of a failed project build in the reactor.
 *
 */
public class BuildFailure extends BuildSummary {

    /**
     * The cause of the build failure.
     */

public final class ProjectIndex {

    private final Map<String, MavenProject> projects;

    private final Map<String, Integer> indices;

    public ProjectIndex(List<MavenProject> projects) {
        this.projects = new HashMap<>(projects.size() * 2);
        this.indices = new HashMap<>(projects.size() * 2);

        for (int i = 0; i < projects.size(); i++) {
            MavenProject project = projects.get(i);

package org.apache.maven.lifecycle.internal;

import java.util.Set;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.artifact.InvalidDependencyVersionException;

/**
 * <p>
 * Component interface responsible for creation of MavenProject#dependencyArtifacts instances.
 * </p>

        this.projects = null;
    }

    public BuildPlan(Map<MavenProject, List<MavenProject>> projects) {
        this.projects = projects;
    }

    public Map<MavenProject, List<MavenProject>> getAllProjects() {
        return projects;
    }

    public Map<String, String> aliases() {
        return aliases;
    }

    public Stream<MavenProject> projects() {
        return plan.keySet().stream();
    }

                .setUserProperties(new Properties());

        initRepoSession(request, configuration);

        List<MavenProject> projects = new ArrayList<>();

        if (pom != null) {
            MavenProject project = projectBuilder.build(pom, configuration).getProject();

            projects.add(project);
            if (includeModules) {

        boolean result = true;

        MavenProject topProject = session.getTopLevelProject();
        List<MavenProject> sortedProjects = session.getProjectDependencyGraph().getSortedProjects();
        for (MavenProject mavenProject : sortedProjects) {
            if (!topProject.getVersion().equals(mavenProject.getVersion())) {
                result = false;
                break;
            }

        // load everything...
        MavenProject project0 = getProject(pom0);
        MavenProject project1 = getProject(pom1);
        MavenProject project2 = getProject(pom2);
        MavenProject project3 = getProject(pom3);
        MavenProject project4 = getProject(pom4);
        MavenProject project5 = getProject(pom5);

        assertEquals("p4", project4.getName());

    private final MavenSession session;

    private final MavenProject project;

    private final List<MojoExecution> executionPlan;

    private final Throwable cause;

    public ProjectExecutionEvent(MavenSession session, MavenProject project) {
        this(session, project, null, null);
    }

    public ProjectExecutionEvent(MavenSession session, MavenProject project, List<MojoExecution> executionPlan) {

            Vertex toVertex,
            MavenProject fromProject,
            Map<String, MavenProject> projectMap,
            boolean force,
            boolean safe)
            throws CycleDetectedException {
        if (fromVertex.equals(toVertex)) {
            return;
        }

        if (fromProject != null) {
            MavenProject toProject = projectMap.get(toVertex.getLabel());

     */
    private List<MavenProject> allProjects;

    private MavenProject topLevelProject;

    private ProjectDependencyGraph projectDependencyGraph;

    private boolean parallel;

    /**
     * Plugin context keyed by project ({@link MavenProject#getId()}) and by plugin lookup key