*/
package org.gradle.api.internal.project;

import org.gradle.api.specs.Spec;

import javax.annotation.Nullable;
import java.io.File;
import java.util.Set;

public interface ProjectRegistry<T extends ProjectIdentifier> {
    void addProject(T project);

    @Nullable T getRootProject();

    @Nullable T getProject(String path);

    @Nullable T getProject(File projectDir);

    int size();

import java.util.stream.Collectors;

public class DefaultCrossProjectModelAccess implements CrossProjectModelAccess {
    private final ProjectRegistry<ProjectInternal> projectRegistry;

    public DefaultCrossProjectModelAccess(ProjectRegistry<ProjectInternal> projectRegistry) {
        this.projectRegistry = projectRegistry;
    }

    @Override
    public ProjectInternal access(ProjectInternal referrer, ProjectInternal project) {

    def instantiator = Mock(Instantiator)
    def projectDescriptor = Stub(DefaultProjectDescriptor)
    def gradle = Stub(GradleInternal)
    def serviceRegistryFactory = Stub(ServiceRegistryFactory)
    def projectRegistry = Mock(ProjectRegistry)
    def project = Stub(DefaultProject)
    def buildId = Stub(BuildIdentifier)
    def owner = Stub(BuildState)
    def projectState = Stub(ProjectState)

        when:
        def projectRegistry = Mock(ProjectRegistry)
        def projectDescriptor = Mock(DefaultProjectDescriptor) {
            getPath() >> ":"
        }
        def services = Mock(ServiceRegistry)
        startParameter.setCurrentDir(buildLayout.settingsDir)

        settings.getProjectRegistry() >> projectRegistry
        projectRegistry.getAllProjects() >> Collections.singleton(projectDescriptor)

        assertSame(expectedGetProject, projectRegistry.getProject(project.getPath()));
        assertEquals(expectedAllProjects, projectRegistry.getAllProjects(project.getPath()));
        assertEquals(expectedSubProjects, projectRegistry.getSubProjects(project.getPath()));
        assertSame(expectedGetProject, projectRegistry.getProject(project.getProjectDir()));
        assertTrue(projectRegistry.getAllProjects().contains(project));
    }

import org.gradle.api.internal.project.ProjectRegistry;

import java.util.ArrayList;
import java.util.List;

public abstract class AbstractProjectSpec implements ProjectSpec {
    private static final String UNRELATED_BUILD_HINT = " If this is an unrelated build, it must have its own settings file.";
    @Override
    public boolean containsProject(ProjectRegistry<? extends ProjectIdentifier> registry) {

    private final ProjectStateRegistry projectRegistry;
    private Map<ProjectState, String> deduplicated;
    private List<ProjectStateWrapper> reservedNames = Collections.emptyList();
    private Map<ProjectState, ProjectStateWrapper> projectToInformationMap = Collections.emptyMap();

    public EclipseModelAwareUniqueProjectNameProvider(ProjectStateRegistry projectRegistry) {
        this.projectRegistry = projectRegistry;
    }

        private final static String IN_PROJECTS = "projects";
        private final ProjectRegistry<? extends ProjectDescriptor> projectRegistry;

        public ProjectAccessorUnitOfWork(ProjectRegistry<? extends ProjectDescriptor> projectRegistry) {
            this.projectRegistry = projectRegistry;
        }

        @Override
        protected List<ClassSource> getClassSources() {

    private final SettingsLoader delegate;
    private final ProjectStateRegistry projectRegistry;

    SettingsAttachingSettingsLoader(SettingsLoader delegate, ProjectStateRegistry projectRegistry) {
        this.delegate = delegate;
        this.projectRegistry = projectRegistry;
    }

    @Override
    public SettingsState findAndLoadSettings(GradleInternal gradle) {

    private final ProjectStateRegistry projectRegistry;
    private Map<ProjectState, String> deduplicated;

    public DefaultUniqueProjectNameProvider(ProjectStateRegistry projectRegistry) {
        this.projectRegistry = projectRegistry;
    }

    @Override
    public String getUniqueName(Project project) {
        ProjectState projectState = projectRegistry.stateFor(project);