//
class ClusteringPolicy {
 public:
  virtual ~ClusteringPolicy() = default;

  // Returns success if an operation can be clustered given the constraints on
  // the operation results. Updates operands constraits to satisfy all the
  // results constraints.
  virtual LogicalResult MatchAndUpdateConstraints(
      Operation* operation, const ValuesConstraintSet& results,

// support a predefined set of operations
type Handler struct {
	operations sets.String
	readyFunc  ReadyFunc
}

// Handles returns true for methods that this handler supports
func (h *Handler) Handles(operation Operation) bool {
	return h.operations.Has(string(operation))
}

// NewHandler creates a new base handler that handles the passed
// in operations
func NewHandler(ops ...Operation) *Handler {

   *     value.)
   */
  @CanIgnoreReturnValue
  @CheckForNull
  V forcePut(@ParametricNullness K key, @ParametricNullness V value);

  // Bulk Operations

  /**
   * {@inheritDoc}
   *
   * <p><b>Warning:</b> the results of calling this method may vary depending on the iteration order
   * of {@code map}.
   *
   * @throws IllegalArgumentException if an attempt to {@code put} any entry fails. Note that some

   *     value.)
   */
  @CanIgnoreReturnValue
  @CheckForNull
  V forcePut(@ParametricNullness K key, @ParametricNullness V value);

  // Bulk Operations

  /**
   * {@inheritDoc}
   *
   * <p><b>Warning:</b> the results of calling this method may vary depending on the iteration order
   * of {@code map}.
   *
   * @throws IllegalArgumentException if an attempt to {@code put} any entry fails. Note that some

        def runTasks = events.operation("Run tasks")
        runTasks.descriptor.name == "Run tasks"
        runTasks.descriptor.parent == runTasksParent.descriptor

        events.operations[0] == runBuild

        events.operations.every { it.successful }
        events.operations.every { it.buildOperation }
    }

    def "receive build progress events for failed operations"() {
        given:

      res.push_back(op.getValue());
    }
    return res;
  }

  // Gets a pointer to the operation to be folded.
  Operation* Op() { return operation_; }

 private:
  explicit FoldAdaptor(Operation* operation) : operation_(operation) {}
  Operation* const operation_;
};

// APSInt provides operators which APInt does not, so allow for converting

    ```

And all the ideas in the section about [adding `dependencies` to the *path operation decorators*](dependencies-in-path-operation-decorators.md){.internal-link target=_blank} still apply, but in this case, to all of the *path operations* in the app.

## Dependencies for groups of *path operations*

        0 * taskExecutionListener._
        0 * taskListener._

        and:
        buildOperationRunner.operations[0].name == ":a"
        buildOperationRunner.operations[0].displayName == "Task :a"
        buildOperationRunner.operations[0].progressDisplayName == ":a"
        buildOperationRunner.operations[0].metadata == BuildOperationCategory.TASK
    }

    def "does not run task action when beforeExecute event fails"() {

 * 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;
import org.gradle.internal.operations.CallableBuildOperation;

import java.util.function.Function;

import org.gradle.caching.internal.controller.operations.LoadOperationDetails;
import org.gradle.caching.internal.controller.operations.LoadOperationHitResult;
import org.gradle.caching.internal.controller.operations.LoadOperationMissResult;
import org.gradle.caching.internal.controller.operations.StoreOperationDetails;
import org.gradle.caching.internal.controller.operations.StoreOperationResult;