}
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }

        ArtifactRepository other = (ArtifactRepository) obj;

        return eq(getId(), other.getId());
    }

    protected static <T> boolean eq(T s1, T s2) {
        return Objects.equals(s1, s2);
    }

    @Override

    @Inject
    private ArtifactFactory factory;

    @Override
    public ResolutionGroup retrieve(
            Artifact artifact, ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories)
            throws ArtifactMetadataRetrievalException {
        Set<Artifact> dependencies = new HashSet<>();

        if ("g".equals(artifact.getArtifactId())) {
            Artifact a = null;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;

/**
 */
public class ArtifactNotFoundException extends AbstractArtifactResolutionException {
    private String downloadUrl;

    protected ArtifactNotFoundException(
            String message, Artifact artifact, List<ArtifactRepository> remoteRepositories) {
        super(message, artifact, remoteRepositories);
    }

    }

    protected ArtifactRepository badRemoteRepository() throws Exception {
        return artifactRepositoryFactory.createArtifactRepository(
                "test", "http://foo.bar/repository", repoLayout, null, null);
    }

    protected void assertRemoteArtifactPresent(Artifact artifact) throws Exception {
        ArtifactRepository remoteRepo = remoteRepository();

        this.artifact = artifact;

        return this;
    }

    @Override
    public ArtifactRepository getLocalRepository() {
        return repositoryRequest.getLocalRepository();
    }

    @Override
    public DefaultMetadataResolutionRequest setLocalRepository(ArtifactRepository localRepository) {
        repositoryRequest.setLocalRepository(localRepository);

        return this;
    }

import org.apache.maven.artifact.repository.ArtifactRepository;

/**
 * Provides some metadata operations, like querying the remote repository for a list of versions available for an
 * artifact.
 *
 */
@Deprecated
public interface MetadataSource {
    String ROLE = MetadataSource.class.getName();

    MetadataResolution retrieve(

    }

    @Override
    public List<ArtifactRepository> getRemoteRepositories() {
        if (remoteRepositories == null) {
            remoteRepositories = new ArrayList<>();
        }
        return remoteRepositories;
    }

    @Override
    public MavenExecutionRequest addPluginArtifactRepository(ArtifactRepository repository) {
        for (ArtifactRepository repo : getPluginArtifactRepositories()) {

            transform.transformForResolve(artifact, request);
        }
    }

    @Override
    public void transformForResolve(
            Artifact artifact, List<ArtifactRepository> remoteRepositories, ArtifactRepository localRepository)
            throws ArtifactResolutionException, ArtifactNotFoundException {
        for (ArtifactTransformation transform : artifactTransformations) {

    }

    /**
     * Build an ArtifactRepository object.
     *
     * @param id
     * @param url
     * @return
     */
    private ArtifactRepository getRepo(String id, String url) {
        return repositorySystem.createArtifactRepository(id, url, new DefaultRepositoryLayout(), null, null);
    }

    /**
     * Build an ArtifactRepository object.
     *
     * @param id
     * @return

 *
 */
@Deprecated
public class LegacyLocalRepositoryManager implements LocalRepositoryManager {

    private final ArtifactRepository delegate;

    private final LocalRepository repo;

    private final boolean realLocalRepo;

    public static RepositorySystemSession overlay(
            ArtifactRepository repository, RepositorySystemSession session, RepositorySystem system) {
        return overlay(repository, session);
    }