| /* |
| * Copyright 2018 The Android Open Source Project |
| * |
| * 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 androidx.work.impl.utils; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.RestrictTo; |
| import androidx.work.Operation; |
| import androidx.work.impl.OperationImpl; |
| import androidx.work.impl.WorkDatabase; |
| import androidx.work.impl.WorkManagerImpl; |
| import androidx.work.impl.model.WorkSpecDao; |
| |
| /** |
| * A Runnable that prunes work in the background. Pruned work meets the following criteria: |
| * - Is finished (succeeded, failed, or cancelled) |
| * - Has zero unfinished dependents |
| * |
| */ |
| @RestrictTo(RestrictTo.Scope.LIBRARY_GROUP) |
| public class PruneWorkRunnable implements Runnable { |
| |
| private final WorkManagerImpl mWorkManagerImpl; |
| private final OperationImpl mOperation; |
| |
| public PruneWorkRunnable(@NonNull WorkManagerImpl workManagerImpl) { |
| mWorkManagerImpl = workManagerImpl; |
| mOperation = new OperationImpl(); |
| } |
| |
| /** |
| * @return The {@link Operation} that encapsulates the state of the {@link PruneWorkRunnable}. |
| */ |
| @NonNull |
| public Operation getOperation() { |
| return mOperation; |
| } |
| |
| |
| @Override |
| public void run() { |
| try { |
| WorkDatabase workDatabase = mWorkManagerImpl.getWorkDatabase(); |
| WorkSpecDao workSpecDao = workDatabase.workSpecDao(); |
| workSpecDao.pruneFinishedWorkWithZeroDependentsIgnoringKeepForAtLeast(); |
| mOperation.markState(Operation.SUCCESS); |
| } catch (Throwable exception) { |
| mOperation.markState(new Operation.State.FAILURE(exception)); |
| } |
| } |
| } |
