}

    static Lifecycle.Phase phase(
            String name, Lifecycle.Link link1, Lifecycle.Link link2, Lifecycle.Link link3, Lifecycle.Phase... phases) {
        return new DefaultPhase(name, Collections.emptyList(), asList(link1, link2, link3), asList(phases));
    }

    static Lifecycle.Phase phase(String name, Collection<Lifecycle.Link> links, Lifecycle.Phase... phases) {

~~ under the License.

 -----
 Lifecycles Reference
 -----
 Hervé Boutemy
 -----
 2013-08-02
 -----

Lifecycles Reference

  Maven defines 3 lifecycles in {{{./apidocs/org/apache/maven/lifecycle/providers/package-summary.html}<<<org.apache.maven.lifecycle.providers>>>}} package:

%{toc|fromDepth=2}

* <<<default>>> Lifecycle

     */
    public Map<String, Lifecycle> getPhaseToLifecycleMap() {
        if (logger.isDebugEnabled() && !lifecyclesPrinted) {
            for (Lifecycle lifecycle : getLifeCycles()) {
                logger.debug("Lifecycle {}", lifecycle);
            }
            lifecyclesPrinted = true;
        }

        List<Lifecycle> myLifecycles = new ArrayList<>();
        Lifecycle myLifecycle =
                new Lifecycle("etl", Arrays.asList("extract", "transform", "load"), Collections.emptyMap());
        myLifecycles.add(myLifecycle);
        myLifecycles.addAll(defaultLifeCycles.getLifeCycles());

        Map<String, Lifecycle> lifeCycles = myLifecycles.stream().collect(Collectors.toMap(Lifecycle::getId, l -> l));

        projects.put(p1, Collections.emptyList());
        projects.put(p2, Collections.singletonList(p1));
        Lifecycle lifecycle = lifecycles.require("default");
        BuildPlan plan = builder.calculateLifecycleMappings(null, projects, lifecycle, "verify");
        plan.then(builder.calculateLifecycleMappings(null, projects, lifecycle, "install"));

        Stream.of(p1, p2).forEach(project -> {

 * of phases that can be executed during a build.
 * <p>
 * Implementations of this interface will be discovered through the Java ServiceLoader mechanism
 * and their provided lifecycles will be available throughout the Maven build process.
 * <p>
 * Example usage:
 * <pre>
 * public class CustomLifecycleProvider implements LifecycleProvider {
 *     public Collection&lt;Lifecycle&gt; provides() {

import org.apache.maven.lifecycle.internal.GoalTask;
import org.apache.maven.lifecycle.internal.LifecycleTask;
import org.apache.maven.lifecycle.internal.MojoDescriptorCreator;
import org.apache.maven.lifecycle.internal.MojoExecutor;
import org.apache.maven.lifecycle.internal.ReactorBuildStatus;
import org.apache.maven.lifecycle.internal.ReactorContext;
import org.apache.maven.lifecycle.internal.Task;

    String AT = "at:";

    /**
     * Name or identifier of this lifecycle.
     *
     * @return the unique identifier for this lifecycle
     */
    @Override
    String id();

    /**
     * Collection of main phases for this lifecycle.
     *
     * @return the collection of top-level phases in this lifecycle
     */
    Collection<Phase> phases();

    /**

  xml.namespace="http://maven.apache.org/LIFECYCLE/${version}"
  xml.schemaLocation="https://maven.apache.org/xsd/lifecycle-${version}.xsd">
  <id>lifecycle</id>
  <name>Lifecycle</name>
  <description>
    Configuration of custom lifecycle mappings for the plugin, as generally stored in
    {@code META-INF/maven/lifecycle.xml} in a plugin's jar artifact.
  </description>
  <classes>

import static org.apache.maven.api.Lifecycle.Phase.DEPLOY;
import static org.apache.maven.api.Lifecycle.Phase.EACH;
import static org.apache.maven.api.Lifecycle.Phase.INITIALIZE;
import static org.apache.maven.api.Lifecycle.Phase.INSTALL;
import static org.apache.maven.api.Lifecycle.Phase.INTEGRATION_TEST;
import static org.apache.maven.api.Lifecycle.Phase.PACKAGE;
import static org.apache.maven.api.Lifecycle.Phase.READY;