* If the metadata corresponds to some {@link BuildOperationCategory}, then returns this category. Returns {@link #UNCATEGORIZED} if there is no defined corresponding category.
     *
     * @param metadata the metadata to find category for
     * @return the category
     */
    public static BuildOperationCategory toCategory(BuildOperationMetadata metadata) {

        when:
        renderer.enableUserStandardOutputListeners()
        renderer.addStandardOutputListener(listener)
        renderer.onOutput(start(loggingHeader: 'description', buildOperationId: 1L, buildOperationCategory: BuildOperationCategory.TASK))
        renderer.onOutput(complete('status'))

        then:
        listener.value.readLines() == ['description status']
    }

        result.buildOperationCategory == category

        where:
        category << BuildOperationCategory.values()
    }

    def "can serialize ProgressStartEvent messages with empty fields"() {
        given:
        def event = new ProgressStartEvent(OPERATION_ID, null, TIMESTAMP, CATEGORY, DESCRIPTION, loggingHeader, "", 0, false, null, BuildOperationCategory.UNCATEGORIZED)

        when:

                } else if (startEvent.getBuildOperationCategory() == BuildOperationCategory.CONFIGURE_ROOT_BUILD) {
                    // Once the root build starts configuring, we are in Configuring phase
                    phaseStarted(startEvent, Phase.Configuring);
                } else if (startEvent.getBuildOperationCategory() == BuildOperationCategory.CONFIGURE_BUILD && currentPhase == Phase.Configuring) {

        String category = ProgressStartEvent.BUILD_OP_CATEGORY;
        BuildOperationMetadata metadata = buildOperationDescriptor.getMetadata();
        BuildOperationCategory buildOperationCategory = BuildOperationCategory.toCategory(metadata);
        if (buildOperationCategory == BuildOperationCategory.TASK) {
            // This is a legacy quirk.
            // Scans use this to determine that progress logging is indicating start/finish of tasks.

    private static final short BUILD_OP_CATEGORY_OFFSET = 12;
    private static final short BUILD_OP_CATEGORY_MASK = 0x7;

    public ProgressStartEventSerializer() {
        BuildOperationCategory maxCategory = BuildOperationCategory.values()[BuildOperationCategory.values().length - 1];
        if ((BUILD_OP_CATEGORY_MASK & maxCategory.ordinal()) != maxCategory.ordinal()) {

        this.totalProgress = totalProgress;
        this.buildOperationStart = buildOperationStart;
        this.buildOperationId = buildOperationId;
        this.buildOperationCategory = buildOperationCategory == null ? BuildOperationCategory.UNCATEGORIZED : buildOperationCategory;
    }

    @Nullable
    public OperationIdentifier getParentProgressOperationId() {
        return parentProgressOperationId;
    }

    @Override

        def completeEvent2 = new ProgressCompleteEvent(startEvent2.progressOperationId, tenAm, "STATUS", false)
        def startEvent3 = new ProgressStartEvent(new OperationIdentifier(-6L), new OperationIdentifier(-4L), tenAm, CATEGORY, "Execute :c", null, null, 0, true, new OperationIdentifier(-6L), BuildOperationCategory.TASK)

import java.util.concurrent.ConcurrentHashMap;

import static org.gradle.internal.operations.BuildOperationCategory.CONFIGURE_BUILD;
import static org.gradle.internal.operations.BuildOperationCategory.CONFIGURE_ROOT_BUILD;
import static org.gradle.internal.operations.BuildOperationCategory.RUN_MAIN_TASKS;
import static org.gradle.internal.operations.BuildOperationCategory.RUN_WORK;

public class BuildPhaseOperationListener implements BuildOperationListener {

        boolean buildOperationStart = args.buildOperationStart
        BuildOperationCategory buildOperationCategory = args.containsKey("buildOperationCategory") ? args.buildOperationCategory : BuildOperationCategory.UNCATEGORIZED
        Long id = args.containsKey("id") ? args.id : ++counter
        String category = args.containsKey("category") ? args.category : CATEGORY