/*
 *     Copyright 2022 The Dragonfly Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * 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 resource

import (
	schedulerv1 "d7y.io/api/pkg/apis/scheduler/v1"
)

// IsPieceBackToSource returns whether the piece is downloaded back-to-source.
func IsPieceBackToSource(piece *schedulerv1.PieceResult) bool {
	return piece.DstPid == ""
}