* limitations under the License.
 */

package org.gradle.internal.operations;

/**
 * Represents some chunk of work.
 */
public interface BuildOperation {
    /**
     * Returns a description of the build operation for visualization purposes.
     */
    BuildOperationDescriptor.Builder description();

        OperationIdentifier operationId = new OperationIdentifier(idFactory.nextId());
        OperationIdentifier parent = eventConsumer.findStartedParentId(buildOperation);
        String name = buildOperation.getName();
        String displayName = "Build phase: " + buildOperation.getDisplayName();
        String buildPhase = buildOperation.getMetadata().toString();

    private CurrentBuildOperationPreservingRunnable(Runnable delegate, CurrentBuildOperationRef ref, BuildOperationRef buildOperation) {
        this.delegate = delegate;
        this.ref = ref;
        this.buildOperation = buildOperation;
    }

    @Override
    public void run() {
        ref.with(buildOperation, delegate);
    }

        @Override
        public Operation accept(BuildOperationDescriptor buildOperation) {
            if (detailsType.isInstance(buildOperation.getDetails())) {
                OperationIdentifier parentId = progressEventConsumer.findStartedParentId(buildOperation);
                InternalOperationDescriptor descriptor = mapper.createDescriptor(buildOperation.getDetails(), buildOperation, parentId);

            String previous = runningTasks.put(buildOperation.getId(), ((AbstractTestTask) task).getIdentityPath().getPath());
            if (previous != null) {
                throw new IllegalStateException("Build operation " + buildOperation.getId() + " already started.");
            }
        }
    }

    @Override
    public void finished(BuildOperationDescriptor buildOperation, OperationFinishEvent finishEvent) {

    public void started(BuildOperationDescriptor buildOperation, OperationStartEvent startEvent) {
        if (buildOperation.getDetails() instanceof ConfigureProjectBuildOperationType.Details) {
            results.put(buildOperation.getId(), new ProjectConfigurationResult());
        }
    }

    @Override
    public void finished(BuildOperationDescriptor buildOperation, OperationFinishEvent finishEvent) {

public class Request {
    private final Object arg;
    private final BuildOperationRef buildOperation;

    public Request(Object arg, BuildOperationRef buildOperation) {
        Preconditions.checkNotNull(buildOperation);
        this.arg = arg;
        this.buildOperation = buildOperation;
    }

    public Object getArg() {
        return arg;
    }

    private final BuildOperation operation;

    protected BuildOperationFailure(BuildOperation operation) {
        super();
        this.operation = operation;
    }

    protected BuildOperationFailure(BuildOperation operation, String message) {
        super(message);
        this.operation = operation;
    }

    protected BuildOperationFailure(BuildOperation operation, String message, Throwable cause) {

        @Override
        public void started(BuildOperationDescriptor buildOperation, OperationStartEvent startEvent) {
            if (isTransformAction(buildOperation)) {
                runningTransformActions.add(mandatoryIdOf(buildOperation));
            } else {
                Object details = buildOperation.getDetails();
                if (details instanceof ExecuteTaskBuildOperationDetails) {

        assert decodedRequest.arg.class == request.arg.class
        assert decodedRequest.arg.text == request.arg.text
        assert decodedRequest.buildOperation.id == request.buildOperation.id
        return true
    }

    def buildOperation() {
        OperationIdentifier id = new OperationIdentifier(1234)
        return new DefaultBuildOperationRef(id, id)
    }

    def serializer() {