import java.util.List;

import static java.util.Collections.emptyList;

public class LockOutOfDateException extends GraphValidationException {

    private final List<String> errors;

    public LockOutOfDateException(String message) {
        super(message);
        this.errors = emptyList();
    }

    public List<String> getErrors() {
        return errors;

        if (cause instanceof VersionConflictException) {
            handleConflict((VersionConflictException) cause);
        } else if (cause instanceof LockOutOfDateException) {
            handleOutOfDateLocks((LockOutOfDateException) cause);
        } else {
            // Fallback to failing the task in case we don't know anything special
            // about the error

        given:
        def id = newId(mid, '1.1')
        startWithState([id])
        addVisitedNode(id)

        when:
        visitor.finish(rootNode)

        then:
        notThrown(LockOutOfDateException)
    }

    def 'generates failures when extra modules visited'() {
        given:
        startWithState([])
        addVisitedNode(newId(mid, '1.0'))

        when:

            completedFailures.add(new DefaultUnresolvedDependency(DefaultModuleVersionSelector.newSelector(presentInLock.getModuleIdentifier(), presentInLock.getVersion()),
                                  new LockOutOfDateException("Did not resolve '" + presentInLock.getDisplayName() + "' which is part of the dependency lock state")));
        }
        for (ModuleComponentIdentifier extraModule : extraModules) {