* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gradle.internal.execution.steps

import com.google.common.collect.ImmutableList
import org.gradle.internal.execution.history.PreviousExecutionState
import org.gradle.internal.execution.history.changes.ExecutionStateChanges

import java.util.List;
import java.util.Optional;

/**
 * A step that executes a unit of work and wraps it into a {@link ExecuteWorkBuildOperationType} build operation.
 */
public class ExecuteWorkBuildOperationFiringStep<C extends IdentityContext, R extends CachingResult> extends BuildOperationStep<C, R> implements Step<C, R> {

    private final Step<? super C, R> delegate;

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gradle.internal.execution.steps

import org.gradle.api.internal.file.TestFiles
import org.gradle.internal.execution.BuildOutputCleanupRegistry
import org.gradle.internal.execution.OutputChangeListener
import org.gradle.internal.execution.UnitOfWork

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gradle.internal.execution.steps

import com.google.common.collect.ImmutableList

    private final ExecutionStateChangeDetector changeDetector;

    private final Step<? super IncrementalChangesContext, R> delegate;

    public ResolveChangesStep(
        ExecutionStateChangeDetector changeDetector,
        Step<? super IncrementalChangesContext, R> delegate
    ) {
        this.changeDetector = changeDetector;
        this.delegate = delegate;
    }

    private final Step<? super C, ? extends R> delegate;

    public HandleStaleOutputsStep(
        BuildOperationRunner buildOperationRunner,
        BuildOutputCleanupRegistry cleanupRegistry,
        Deleter deleter,
        OutputChangeListener outputChangeListener,
        OutputFilesRepository outputFilesRepository,
        Step<? super C, ? extends R> delegate
    ) {

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gradle.internal.execution.steps

import com.google.common.collect.ImmutableListMultimap
import com.google.common.collect.ImmutableSortedMap
import org.gradle.api.internal.file.TestFiles
import org.gradle.caching.internal.origin.OriginMetadata

 * is by declaring that step to be the last step of the pipeline. Nevertheless, we refer to the
 * "value" of a successful step or the "result" (value or exception) of any step.
 *
 * <ol>
 *   <li>A pipeline starts at its leaf step (or steps), which is created from either a callable
 *       block or a {@link ListenableFuture}.

    private final Deleter deleter;
    private final OutputChangeListener outputChangeListener;
    private final Step<? super C, ? extends R> delegate;

    public RemovePreviousOutputsStep(
        Deleter deleter,
        OutputChangeListener outputChangeListener,
        Step<? super C, ? extends R> delegate
    ) {
        this.deleter = deleter;

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gradle.internal.execution.steps;

import org.gradle.internal.operations.BuildOperationContext;
import org.gradle.internal.operations.BuildOperationDescriptor;
import org.gradle.internal.operations.BuildOperationRunner;